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Internal Medicine in Greenville, MI

10 verified internal medicine doctors in Greenville.

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. Kristen Vanderhorn, DO

Internal Medicine

20 yrs NPPES
NPI 1841244480
615 S BOWER ST, Greenville, MI 48838(616) 754-4691
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. Jonathan Windeler, MD

Internal Medicine

20 yrs NPPES
NPI 1306890850
615 S BOWER ST, Greenville, MI 48838(616) 754-4691
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. Kevin Reed, DO

Internal Medicine

20 yrs NPPES
NPI 1194771980
707 S GREENVILLE WEST DR, Greenville, MI 48838(616) 754-3001
NPPES public registry
CMS Open Payments· $96.87 (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.

$96.87

Total received

5

Transactions

3

Paying companies

Top paying companies

Novo Nordisk Inc$50.74
Dexcom, Inc.$24.18
Halozyme Inc$21.95

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 75th percentile of that group.

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

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

Dr. Gregory Page, MD

Internal Medicine

20 yrs NPPES
NPI 1487601464
707 S GREENVILLE WEST DR, Greenville, MI 48838(616) 754-3001
NPPES public registry
CMS Open Payments· $17.40 (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.

$17.40

Total received

1

Transactions

1

Paying companies

Top paying companies

Novo Nordisk Inc$17.40

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 65th percentile of that group.

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

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

Dr. Shawn Ruth, DO

Internal Medicine

20 yrs NPPES
NPI 1669429106
707 S GREENVILLE WEST DR, Greenville, MI 48838(616) 754-3001
NPPES public registry
CMS Open Payments· $96.87 (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.

$96.87

Total received

5

Transactions

3

Paying companies

Top paying companies

Novo Nordisk Inc$50.74
Dexcom, Inc.$24.18
Halozyme Inc$21.95

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 75th percentile of that group.

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

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

Dr. Timothy Helder, MD

Internal Medicine

20 yrs NPPES
NPI 1306888367
707 S GREENVILLE WEST DR, Greenville, MI 48838(616) 754-3001
NPPES public registry
CMS Open Payments· $50.74 (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.

$50.74

Total received

3

Transactions

1

Paying companies

Top paying companies

Novo Nordisk Inc$50.74

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 72th percentile of that group.

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

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

Dr. Victor Hajjar, MD

Internal Medicine

20 yrs NPPES
NPI 1215979216
615 S. BOWER, Greenville, MI 48838(616) 754-3880
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. David Crittenden Md, MD

Internal Medicine

20 yrs NPPES
NPI 1437261815
123 E CASS ST, Greenville, MI 48838(616) 225-8707
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. Asaf Harris, MD

Internal Medicine

9 yrs NPPES
NPI 1154842193
615 S BOWER ST, Greenville, MI 48838(616) 391-3139
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. Eric Lee, MD

Internal Medicine

7 yrs NPPES
NPI 1669033890
615 S BOWER ST, Greenville, MI 48838(616) 391-3139
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $159.09 (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.

$159.09

Total received

2

Transactions

2

Paying companies

Top paying companies

Gilead Sciences, Inc.$124.99
AbbVie Inc.$34.10

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 Eric Lee do not imply any wrongdoing. Many are meals, education, or research support.

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