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Hematology & Oncology in Ames, IA

6 verified hematology & oncology doctors in Ames.

Hematologist-oncologists treat blood disorders and cancers, coordinating chemotherapy and blood-related 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 Iowa Board of Medicine

Dr. Mark Guffy, MD

Hematology & Oncology

21 yrs NPPES
NPI 1982693289
1111 DUFF AVE, Ames, IA 50010(515) 239-4401
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. Joseph Merchant, MD

Hematology & Oncology

21 yrs NPPES
NPI 1699765826
1111 DUFF AVE, Ames, IA 50010(515) 239-4401
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $14,997 (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.

$14,997

Total received

5

Transactions

2

Paying companies

Top paying companies

Merck Sharp & Dohme LLC$13,122
Celgene Corporation$1,875

Among the 11,711 hematology & oncology doctors we've analyzed, about 62% received any industry payment (median $1,465 among those who did). This doctor's total ranks around the 82th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US hematology & oncology doctors.

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

Dr. Larry Otteman, MD

Hematology & Oncology

21 yrs NPPES
NPI 1528059078
1111 DUFF AVE, Ames, IA 50010(515) 239-4401
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. Venkatesh Rudrapatna, MD

Hematology & Oncology

19 yrs NPPES
NPI 1104012996
1111 DUFF AVENUE, Ames, IA 50010(515) 239-4401
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. Sreenath Kodali, MD

Hematology & Oncology

15 yrs NPPES
NPI 1376823567
1111 DUFF AVE, Ames, IA 50010(515) 239-4401
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $22.71 (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.

$22.71

Total received

1

Transactions

1

Paying companies

Top paying companies

Jazz Pharmaceuticals Inc.$22.71

Among the 11,711 hematology & oncology doctors we've analyzed, about 62% received any industry payment (median $1,465 among those who did). This doctor's total is on the lower end — around the 41th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US hematology & oncology doctors.

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

Dr. Austin Greco, MD

Hematology & Oncology

9 yrs NPPES
NPI 1033645486
1111 DUFF AVE, Ames, IA 50010(515) 239-4401
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.

Hematology & Oncology in Ames, IA — Verified | DoctorsProof | DoctorsProof