DoctorsProofNPPES directory · verify at state boards

Family Medicine in Grayling, MI

5 verified family medicine doctors in Grayling.

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 Michigan Board of Medicine

Dr. William Mcnamara, MD

Family Medicine

21 yrs NPPES
NPI 1952398638
1010 W NORTH DOWN RIVER RD, Grayling, MI 49738(989) 348-7671
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. Gregg Hanert, DO

Family Medicine

21 yrs NPPES
NPI 1366439044
1250 E MICHIGAN AVE, Grayling, MI 49738(989) 348-0550
NPPES public registry
CMS Open Payments· $299.08 (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.

$299.08

Total received

17

Transactions

6

Paying companies

Top paying companies

AbbVie Inc.$161.75
Exact Sciences Corporation$42.32
Novo Nordisk Inc$28.59
Boehringer Ingelheim Pharmaceuticals, Inc.$22.77
Actelion Pharmaceuticals US, Inc.$22.62
Astellas Pharma US Inc$21.03

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 87th percentile of that group.

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

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

Dr. Thad Jackson, DO

Family Medicine

21 yrs NPPES
NPI 1891782421
1010 W NORTH DOWN RIVER RD, Grayling, MI 49738(989) 348-7671
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. Nestor Guno, MD

Family Medicine

20 yrs NPPES
NPI 1659431658
114 E MICHIGAN AVE, Grayling, MI 49738(989) 348-6363
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. Joanna Nigrelli, DO

Family Medicine

18 yrs NPPES
NPI 1609028992
1250 E MICHIGAN AVE, Grayling, MI 49738(989) 348-0550
NPPES public registry
CMS Open Payments· $443.65 (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.

$443.65

Total received

20

Transactions

7

Paying companies

Top paying companies

Novo Nordisk Inc$179.23
AbbVie Inc.$179.11
Boehringer Ingelheim Pharmaceuticals, Inc.$22.77
Astellas Pharma US Inc$21.03
Lilly USA, LLC$14.01
GlaxoSmithKline, LLC.$14.01

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 Joanna Nigrelli do not imply any wrongdoing. Many are meals, education, or research support.

Family Medicine in Grayling, MI — Verified | DoctorsProof | DoctorsProof