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Hematology & Oncology in Iowa

Data updated monthly · Last refresh August 2026

88 Hematology & Oncology providers practice in Iowa, including 22 (25%) offering telehealth. The largest concentration is in Iowa City. Profiles include Medicare quality scores where available.

88providers
22telehealth
Iowa Citytop city

Hematology & Oncology providers by city in Iowa

Iowa City40 providers
Cedar Rapids8 providers
Ames7 providers
Des Moines6 providers
Dubuque5 providers
Sioux City5 providers
Waterloo3 providers
Davenport2 providers

Highest rated Hematology & Oncology providers in Iowa

Dr. Donald Wender, M.D.
Sioux City, IA · Quality score 100/100 · Telehealth · (712) 252-0088
Dr. Usha Perepu, MBBS
Iowa City, IA · Quality score 99/100 · (319) 356-2148
Dr. Laurel Lyckholm, M.D.
Iowa City, IA · Quality score 94/100 · (319) 467-5346
Dr. Umang Swami, MD
Iowa City, IA · Quality score 92/100 · Telehealth · (319) 384-6180
Dr. Bradley Lair, MD
Des Moines, IA · Quality score 89/100 · (515) 282-2921
Dr. Seth Maliske
Iowa City, IA · Quality score 83/100 · Telehealth · (319) 384-9668
Dr. Susannah Friemel, M.D.
Davenport, IA · Quality score 81/100 · Telehealth · (563) 345-4325
Dr. William Fusselman, MD
Cedar Rapids, IA · Quality score 76/100 · (319) 297-2900
Dr. Rasa Buntinas, MD
Cedar Rapids, IA · Quality score 76/100 · (319) 297-2900
Dr. Anoop Aggarwal, M.D.
Clinton, IA · Quality score 35/100 · (563) 243-2511
Dr. Larry Otteman, MD
Ames, IA · (515) 239-4401
Dr. David Zenk, MD
Cedar Rapids, IA · (319) 297-2900
Dr. Thomas Warren, MD
Cedar Rapids, IA · (319) 297-2900
Dr. Mark Karwal, MD
Iowa City, IA · (319) 353-7900
Dr. Joseph Merchant, M.D.
Ames, IA · (515) 239-4401
Dr. Thomas Carter, MD PHD
Iowa City, IA · (319) 356-0489
Dr. Chirantan Ghosh, MD
Cedar Rapids, IA · (319) 294-1899
Dr. Mark Guffy, M.D.
Ames, IA · (515) 239-4401
Dr. Glenn Preston, M.D.
Spencer, IA · Telehealth · (712) 264-6550
Dr. George Weiner, MD
Iowa City, IA · (319) 353-8620

Common questions

How many Hematology & Oncology providers are in Iowa?

There are 88 Hematology & Oncology providers with active NPI records practicing in Iowa, according to federal NPPES data refreshed monthly.

Do Hematology & Oncology providers in Iowa offer telehealth?

Yes. 22 of the 88 Hematology & Oncology providers in Iowa (about 25%) report offering telehealth services in CMS data.

Which cities in Iowa have the most Hematology & Oncology providers?

Iowa City (40), Cedar Rapids (8), Ames (7) have the highest concentration of Hematology & Oncology providers in Iowa.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files, including MIPS quality scores where available. The directory refreshes monthly.

Related reading on HealthcareDiscovery.AI

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, MIPS. Updated monthly. This directory is informational and not medical advice. Are you a Hematology & Oncology in Iowa? Get featured.