NPPES file of Aug 9, 2026

Hematology & Oncology Physician in Kentucky

152 NPPES records list hematology & oncology physician with a practice address in Kentucky, 3.4 per 100,000 residents, the 38th highest rate of 51. Louisville and Lexington have the most; each record links to the provider's NPI and the Kentucky license search. Page 4 of 4.

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

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

Louisville has the most, 52

  1. Louisville52
  2. Lexington22
  3. Edgewood10
  4. Ashland8
  5. Paducah6

Hematology & Oncology Physician records in Kentucky

  1. Muhammad-Ali Zaydan, MDMt Sterling, KY 403531750350633
  2. Wangjian Zhong, MD PHDLouisville, KY 402071275670788

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

Kentucky ranks 38 of 51 per resident

  1. Michigan3.4
  2. South Dakota3.4
  3. South Carolina3.4
  4. Kentucky3.4
  5. Arkansas3.4
  6. Oregon3.3
  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.

86.2% 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. Kentucky86.2%
  2. United States82.9%

Hematology & Oncology Physician records in Kentucky, measured

  • In a Medicare file131 of 152 · 86.2% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file117 · 77.0% here, 71.3% nationally
  • Not updated in five years or more99 · 65.1% here, 54.3% nationally
  • Median graduation year2004 · the 117 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

152 NPPES records list hematology & oncology physician (207RH0003X) as their primary taxonomy with a practice address in Kentucky: 3.4 per 100,000 residents against 4.2 nationally (50 states and D.C.). Louisville has 52 of them (34%).

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. Oregon138
  2. Puerto Rico134
  3. Oklahoma128
  4. South Carolina181

States with a similar rate per 100,000

  1. Arkansas3.4
  2. South Dakota3.4
  3. Michigan3.4
  4. Vermont3.4

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.