NPPES file of Aug 9, 2026

Hematology & Oncology Physician in Arkansas

103 NPPES records list hematology & oncology physician with a practice address in Arkansas, 3.4 per 100,000 residents, the 39th highest rate of 51. Little Rock and Fort Smith have the most; each record links to the provider's NPI and the Arkansas license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0003X · method

Little Rock has the most, 47

Hematology & Oncology Physician records in Arkansas

  1. Naveen Yarlagadda, MDLittle Rock, AR 722051396013363
  2. Dmitriy Zak, M.D.Mountain Home, AR 726531548371289
  3. Maurizio Zangari, MDLittle Rock, AR 722051568476901

Source: CMS NPPES, primary taxonomy 207RH0003X: records by practice city and the list of records, file of Aug 9, 2026.

Arkansas ranks 39 of 51 per resident

  1. South Dakota3.4
  2. South Carolina3.4
  3. Kentucky3.4
  4. Arkansas3.4
  5. Oregon3.3
  6. Oklahoma3.2
  7. 50 states and D.C.4.2

Source: CMS NPPES, primary taxonomy 207RH0003X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

90.3% of these records appear in a Medicare file, against 82.9% 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. Arkansas90.3%
  2. United States82.9%

Hematology & Oncology Physician records in Arkansas, measured

  • In a Medicare file93 of 103 · 90.3% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file81 · 78.6% here, 71.3% nationally
  • Not updated in five years or more35 · 34.0% here, 54.3% nationally
  • Median graduation year2002 · the 80 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0003X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

103 NPPES records list hematology & oncology physician (207RH0003X) as their primary taxonomy with a practice address in Arkansas: 3.4 per 100,000 residents against 4.2 nationally (50 states and D.C.). Little Rock has 47 of them (46%).

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. Utah99
  2. Kansas113
  3. Iowa90
  4. Nevada88

States with a similar rate per 100,000

  1. Kentucky3.4
  2. South Carolina3.4
  3. South Dakota3.4
  4. Michigan3.4

The largest states

  1. California1,583
  2. New York1,163
  3. Texas922
  4. Florida818
  5. Pennsylvania784

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.