DoctorsProofNPPES directory · verify at state boards

Family Medicine in O Fallon, MO

36 verified family medicine doctors in O Fallon.

Family medicine physicians provide comprehensive primary care for patients of all ages, from newborns to seniors — managing everyday illness, chronic conditions, and preventive care.

NPPES tenure ≠ clinical experience. "Years on NPPES" is time since the physician first registered a National Provider Identifier, not time practicing medicine. Verify current license status with the state medical board.

Verify a license at the Missouri Board of Registration for the Healing Arts

Dr. Heather Williamson, DO

Family Medicine

21 yrs NPPES
NPI 1700880358
3449 PHEASANT MEADOW DR, STE 107, O Fallon, MO 63368(636) 379-4140
NPPES public registry
CMS Open Payments· $111.06 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$111.06

Total received

6

Transactions

5

Paying companies

Top paying companies

AbbVie Inc.$34.66
Amgen Inc.$23.94
AstraZeneca Pharmaceuticals LP$21.11
Lilly USA, LLC$18.56
IDORSIA PHARMACEUTICALS US INC$12.79

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total ranks around the 80th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Heather Williamson do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Van Hargraves, MD

Family Medicine

21 yrs NPPES
NPI 1255326385
5551 WINGHAVEN BLVD, SUITE 142, O Fallon, MO 63368(636) 695-2510
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Thomas Wright, MD

Family Medicine

20 yrs NPPES
NPI 1417935974
1630 MARKET CENTER BLVD STE 201, O Fallon, MO 63368(636) 397-4012
NPPES public registry
CMS Open Payments· $2,883 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$2,883

Total received

7

Transactions

3

Paying companies

Top paying companies

MicroAire Surgical Instruments LLC$2,400
Tactile Systems Technology Inc$468.18
Boston Scientific Corporation$15.19

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total is higher than 99% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Thomas Wright do not imply any wrongdoing. Many are meals, education, or research support.

Dr. John O'Brien, MD

Family Medicine

20 yrs NPPES
NPI 1083689061
2630 HIGHWAY K, O Fallon, MO 63368(636) 240-5454
NPPES public registry
CMS Open Payments· $584.77 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$584.77

Total received

32

Transactions

12

Paying companies

Top paying companies

AbbVie Inc.$169.81
Pfizer Inc.$66.29
AstraZeneca Pharmaceuticals LP$65.28
Lilly USA, LLC$64.96
Janssen Pharmaceuticals, Inc$37.21
GlaxoSmithKline, LLC.$34.27

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total is higher than 91% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to John O'Brien do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Beth Zimmer, MD

Family Medicine

20 yrs NPPES
NPI 1548221823
9426 PHOENIX VILLAGE PKWY, O Fallon, MO 63368(636) 561-5999
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Wan In Koo, DO

Family Medicine

20 yrs NPPES
NPI 1871554865
1101 HIGHWAY K, O Fallon, MO 63366(636) 379-8138
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Maryam Naemi, DO

Family Medicine

20 yrs NPPES
NPI 1619938628
1101 HIGHWAY K, O Fallon, MO 63366(636) 379-4590
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Chandra Wiewel, MD

Family Medicine

20 yrs NPPES
NPI 1033170741
1101 HIGHWAY K, O Fallon, MO 63366(636) 379-4590
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Michael Hemmersmeier, DO

Family Medicine

20 yrs NPPES
NPI 1366404832
1101 HIGHWAY K, O Fallon, MO 63366(636) 379-4590
NPPES public registry
CMS Open Payments· $0.79 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$0.79

Total received

1

Transactions

1

Paying companies

Top paying companies

Sumitomo Pharma America, Inc.$0.79

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total ranks around the 65th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Michael Hemmersmeier do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Leonard Hoffmann, MD

Family Medicine

20 yrs NPPES
NPI 1174585665
1101 HIGHWAY K, O Fallon, MO 63366(636) 379-4590
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Michael Williams, DO

Family Medicine

20 yrs NPPES
NPI 1851353247
ULTRA WELLNESS MEDICAL, LLC, 3026 WINGHAVEN BLVD., O'Fallon, MO 63368(636) 333-9820
NPPES public registry
CMS Open Payments· $35.69 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$35.69

Total received

2

Transactions

2

Paying companies

Top paying companies

Janssen Biotech, Inc.$21.97
Halozyme Inc$13.72

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total ranks around the 73th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Michael Williams do not imply any wrongdoing. Many are meals, education, or research support.

Dr. John O'Connor, MD

Family Medicine

20 yrs NPPES
NPI 1356392310
1002 PERUQUE CROSSING CT, SUITE 101, O Fallon, MO 63366(636) 294-5900
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Michael Engel, MD

Family Medicine

20 yrs NPPES
NPI 1861431983
1000 TECHNOLOGY DRIVE, O'Fallon, MO 63368(636) 261-1600
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Jyoti Kulkarni, MD

Family Medicine

20 yrs NPPES
NPI 1649281668
2630 HIGHWAY K, O Fallon, MO 63368(636) 240-5454
NPPES public registry
CMS Open Payments· $1,389 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$1,389

Total received

73

Transactions

15

Paying companies

Top paying companies

AbbVie Inc.$252.26
Lilly USA, LLC$171.40
AstraZeneca Pharmaceuticals LP$140.84
GlaxoSmithKline, LLC.$137.76
Boehringer Ingelheim Pharmaceuticals, Inc.$124.35
Pfizer Inc.$94.83

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Jyoti Kulkarni do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Amanda Heidemann, MD

Family Medicine

20 yrs NPPES
NPI 1043329105
2630 HIGHWAY K, O Fallon, MO 63368(636) 980-5300
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Liza Stanton, MD

Family Medicine

20 yrs NPPES
NPI 1508976523
2630 HIGHWAY K, O Fallon, MO 63368(636) 240-5454
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. George Stachecki, MD

Family Medicine

20 yrs NPPES
NPI 1902916927
2630 STATE HIGHWAY K, STE 100, O'Fallon, MO 63368(636) 240-5454
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Sean Mcintosh, MD

Family Medicine

20 yrs NPPES
NPI 1700997731
20 PROGRESS POINT PKWY, STE 108, O Fallon, MO 63368(636) 344-2400
NPPES public registry
CMS Open Payments· $167.14 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$167.14

Total received

10

Transactions

4

Paying companies

Top paying companies

GlaxoSmithKline, LLC.$79.94
AbbVie Inc.$45.05
Novo Nordisk Inc$28.62
AstraZeneca Pharmaceuticals LP$13.53

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total ranks around the 83th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Sean Mcintosh do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Robert Holloway, MD

Family Medicine

20 yrs NPPES
NPI 1316025554
935 GREEN BRIAR HILLS DR, O Fallon, MO 63366(314) 680-0318
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Amy Grawey, MD

Family Medicine

19 yrs NPPES
NPI 1083824684
207 E PITMAN ST, O Fallon, MO 63366(636) 875-1140
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Betty Varghese, MD

Family Medicine

19 yrs NPPES
NPI 1073715702
2 PROGRESS POINT CT, O Fallon, MO 63368(636) 344-1151
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Chris Blanner, MD

Family Medicine

18 yrs NPPES
NPI 1841464625
300 WINDING WOODS DR, SUITE 222, O Fallon, MO 63366(636) 978-8600
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Alyssa Keller, MD

Family Medicine

17 yrs NPPES
NPI 1588892665
300 WINDING WOODS DR, SUITE 222, O Fallon, MO 63366(636) 978-8600
NPPES public registry
CMS Open Payments· $1,090 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$1,090

Total received

47

Transactions

15

Paying companies

Top paying companies

AbbVie Inc.$208.15
Lilly USA, LLC$172.38
AstraZeneca Pharmaceuticals LP$138.14
Axsome Therapeutics, Inc.$114.80
GlaxoSmithKline, LLC.$87.61
Boehringer Ingelheim Pharmaceuticals, Inc.$72.06

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total is higher than 95% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Alyssa Keller do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Amy Mcclintock, MD

Family Medicine

15 yrs NPPES
NPI 1073809141
3449 PHEASANT MEADOW DR STE 107, O Fallon, MO 63368(573) 271-2927
NPPES public registry
CMS Open Payments· $1,097 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$1,097

Total received

65

Transactions

17

Paying companies

Top paying companies

Lilly USA, LLC$238.30
Novo Nordisk Inc$138.51
GlaxoSmithKline, LLC.$91.85
Janssen Pharmaceuticals, Inc$79.82
Salix Pharmaceuticals, a division of Bausch Health US, LLC$74.44
Pfizer Inc.$66.45

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total is higher than 95% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Amy Mcclintock do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Alison Ball, DO

Family Medicine

15 yrs NPPES
NPI 1427345263
2223 TECHNOLOGY DR, SUITE 40, O Fallon, MO 63368(636) 755-4400
NPPES public registry
CMS Open Payments· $410.09 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$410.09

Total received

20

Transactions

14

Paying companies

Top paying companies

AbbVie Inc.$78.51
Supernus Pharmaceuticals, Inc.$49.42
Lilly USA, LLC$46.85
GlaxoSmithKline, LLC.$37.53
Novo Nordisk Inc$35.98
OptiNose US, Inc.$31.52

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total ranks around the 89th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Alison Ball do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Caitlin Rogers, DO

Family Medicine

11 yrs NPPES
NPI 1861873077
20 PROGRESS POINT PKWY STE 108, O Fallon, MO 63368(636) 344-2400
NPPES public registry
CMS Open Payments· $450.35 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$450.35

Total received

27

Transactions

10

Paying companies

Top paying companies

GlaxoSmithKline, LLC.$113.02
AbbVie Inc.$104.15
Pfizer Inc.$58.04
Novo Nordisk Inc$44.31
Lilly USA, LLC$41.95
AstraZeneca Pharmaceuticals LP$27.70

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total is higher than 90% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Caitlin Rogers do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Daniel Weisel, MD

Family Medicine

9 yrs NPPES
NPI 1629506522
20 PROGRESS POINT PKWY STE 108, O Fallon, MO 63368(636) 344-2400
NPPES public registry
CMS Open Payments· $157.92 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$157.92

Total received

10

Transactions

4

Paying companies

Top paying companies

GlaxoSmithKline, LLC.$79.34
Amgen Inc.$44.48
AbbVie Inc.$18.42
Novo Nordisk Inc$15.68

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total ranks around the 83th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Daniel Weisel do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Alissa Ballard, DO

Family Medicine

8 yrs NPPES
NPI 1508359100
2630 STATE HIGHWAY K, STE 100, O'Fallon, MO 63368(636) 240-5454
NPPES public registry
CMS Open Payments· $1,247 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$1,247

Total received

74

Transactions

13

Paying companies

Top paying companies

AbbVie Inc.$241.27
Lilly USA, LLC$169.66
AstraZeneca Pharmaceuticals LP$141.89
Pfizer Inc.$136.98
GlaxoSmithKline, LLC.$102.87
Boehringer Ingelheim Pharmaceuticals, Inc.$92.70

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Alissa Ballard do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Samantha Warden, MD

Family Medicine

6 yrs NPPES
NPI 1013531805
20 PROGRESS POINT PKWY STE 108, O Fallon, MO 63368(636) 344-2400
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Matthew Schneider, DO

Family Medicine

4 yrs NPPES
NPI 1225787633
1101 HIGHWAY K, O Fallon, MO 63366(636) 379-6363
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Marium Iqbal, MD

Family Medicine

4 yrs NPPES
NPI 1215679782
301 CALEDONIA PKWY STE 150, O Fallon, MO 63368(636) 202-6802
NPPES public registry
CMS Open Payments· $161.12 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$161.12

Total received

7

Transactions

7

Paying companies

Top paying companies

Bayer HealthCare Pharmaceuticals Inc.$45.22
AstraZeneca Pharmaceuticals LP$28.81
AbbVie Inc.$21.40
NOVARTIS PHARMACEUTICALS CORPORATION$18.07
Vertex Pharmaceuticals Incorporated$17.49
Exact Sciences Corporation$17.19

Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total ranks around the 83th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US family medicine doctors.

Payments to Marium Iqbal do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Emily Hutchinson, DO

Family Medicine

4 yrs NPPES
NPI 1235876863
20 PROGRESS POINT PKWY STE 108, O Fallon, MO 63368(636) 344-2400
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Sarah Jackson, DO

Family Medicine

4 yrs NPPES
NPI 1134858392
300 WINDING WOODS DR STE 120, O Fallon, MO 63366(636) 614-3280
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Emma Gloe, MD

Family Medicine

3 yrs NPPES
NPI 1467148361
2299 TECHNOLOGY DR STE 320, O Fallon, MO 63368(636) 695-0535
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Amritpal Lall, MD

Family Medicine

2 yrs NPPES
NPI 1730996844
300 WINDING WOODS DR STE 214, O Fallon, MO 63366(636) 978-8600
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Nicholas Johnson, MD

Family Medicine

1 yrs NPPES
NPI 1164309985
2223 TECHNOLOGY DR, O Fallon, MO 63368(636) 561-5999
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Family Medicine in O Fallon, MO — Verified | DoctorsProof | DoctorsProof