NPPES file of Aug 9, 2026

Hematology (Internal Medicine) Physician in Iowa

10 NPPES records list hematology (internal medicine) physician with a practice address in Iowa, 0.3 per 100,000 residents, the 25th highest rate of 48; each record links to the provider's NPI and the Iowa license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Iowa City has the most, 10

  1. Iowa City10

Hematology (Internal Medicine) Physician records in Iowa

  1. Sabarish Ayyappan, MDIowa City, IA 522421558551507
  2. Prajwal Dhakal, MBBSIowa City, IA 522421578946406
  3. Pedro Hsieh, MDIowa City, IA 522421700561826
  4. Mohammad Hussain, MDIowa City, IA 522421427242767
  5. Steven Lentz, MDIowa City, IA 522421316934318
  6. Eric Mou, MDIowa City, IA 522421184044398
  7. Rogerio Pastore Bassitt, MDIowa City, IA 522421508750761
  8. Kittika Poonsombudlert, MDIowa City, IA 522421386174217
  9. Hira Shaikh, MDIowa City, IA 522421336591759
  10. Michael Tomasson, MDIowa City, IA 522421841216157

Source: CMS NPPES, primary taxonomy 207RH0000X: records by practice city and the list of records, file of Aug 9, 2026.

Iowa ranks 25 of 48 per resident

  1. Kansas0.3
  2. Tennessee0.3
  3. Utah0.3
  4. Iowa0.3
  5. Wisconsin0.3
  6. Florida0.3
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207RH0000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

100.0% of these records appear in a Medicare file, against 80.5% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Iowa100.0%
  2. United States80.5%

Hematology (Internal Medicine) Physician records in Iowa, measured

  • In a Medicare file10 of 10 · 100.0% here, 80.5% nationally
  • In the CMS Doctors and Clinicians file10 · 100.0% here, 70.8% nationally
  • Not updated in five years or more3 · 30.0% here, 46.9% nationally
  • Median graduation year2004 · the 10 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

10 NPPES records list hematology (internal medicine) physician (207RH0000X) as their primary taxonomy with a practice address in Iowa: 0.3 per 100,000 residents against 0.4 nationally (50 states and D.C.). Iowa City has 10 of them (100%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Arizona10
  2. Kansas10
  3. Utah11
  4. Kentucky12

States with a similar rate per 100,000

  1. Wisconsin0.3
  2. Florida0.3
  3. Tennessee0.3
  4. Missouri0.4

The largest states

  1. California175
  2. New York161
  3. Minnesota128
  4. Massachusetts117
  5. Ohio89

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.