DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Owatonna, MN

7 verified internal medicine doctors in Owatonna.

Internists specialize in the prevention, diagnosis, and treatment of adult diseases, often coordinating complex or chronic conditions across multiple systems.

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 Minnesota Board of Medical Practice

Dr. Ralph Wertwijn, MD

Internal Medicine

20 yrs NPPES
NPI 1538129283
2023 LINN DR, Owatonna, MN 55060(507) 455-0067
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 Gantert, MD

Internal Medicine

20 yrs NPPES
NPI 1992765648
2200 NW 26TH ST, Owatonna, MN 55060(507) 451-1120
NPPES public registryAccepts Medicare (2024)
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. Charles Sandhofer, MD

Internal Medicine

20 yrs NPPES
NPI 1053372268
2200 NW 26TH ST, Owatonna, MN 55060(507) 451-1120
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. Carol Winter, MD

Internal Medicine

20 yrs NPPES
NPI 1871554089
2200 NW 26TH ST, Owatonna, MN 55060(507) 451-1120
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. Harold Hellweg, DO

Internal Medicine

15 yrs NPPES
NPI 1790071231
2200 NW 26TH ST, Owatonna, MN 55060(507) 444-5055
NPPES public registryAccepts Medicare (2024)
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. Tanveer-E-Fatema Hassam, MD

Internal Medicine

12 yrs NPPES
NPI 1073930004
2200 NW 26TH ST, Owatonna, MN 55060(451) 112-0507
NPPES public registryAccepts Medicare (2024)
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. Jean Lenz, MD

Internal Medicine

11 yrs NPPES
NPI 1588044051
2200 NW 26TH ST, Owatonna, MN 55060(507) 451-1120
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $154.15 (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.

$154.15

Total received

9

Transactions

5

Paying companies

Top paying companies

Pfizer Inc.$69.49
Amgen Inc.$31.93
Medtronic, Inc.$20.84
Novo Nordisk Inc$18.89
Boehringer Ingelheim Pharmaceuticals, Inc.$13.00

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 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 internal medicine doctors.

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

Internal Medicine in Owatonna, MN — Verified | DoctorsProof | DoctorsProof