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Internal Medicine in Manistee, MI

2 verified internal medicine doctors in Manistee.

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 Michigan Board of Medicine

Dr. Ryan Sullivan, MD

Internal Medicine

20 yrs NPPES
NPI 1174605653
2198 US HIGHWAY 31 S, Manistee, MI 49660(231) 723-3567
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $666.51 (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.

$666.51

Total received

36

Transactions

15

Paying companies

Top paying companies

AbbVie Inc.$186.01
GlaxoSmithKline, LLC.$86.67
Amgen Inc.$51.45
Lilly USA, LLC$50.51
Novo Nordisk Inc$45.60
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.)$42.73

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 is higher than 90% of that group — among the highest recipients.

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

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

Dr. Charles Vandenberg, DO

Internal Medicine

14 yrs NPPES
NPI 1750638516
1293 E PARKDALE AVE, Manistee, MI 49660(231) 398-1840
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $610.30 (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.

$610.30

Total received

29

Transactions

11

Paying companies

Top paying companies

AbbVie Inc.$194.07
GlaxoSmithKline, LLC.$82.12
Exact Sciences Corporation$67.81
Bayer HealthCare Pharmaceuticals Inc.$65.71
Novo Nordisk Inc$53.60
Myriad Women's Health, Inc.$51.68

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 89th percentile of that group.

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

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

Internal Medicine in Manistee, MI — Verified | DoctorsProof | DoctorsProof