NPPES file of Aug 9, 2026

Hematology & Oncology Physician in Wyoming

12 NPPES records list hematology & oncology physician with a practice address in Wyoming, 2.1 per 100,000 residents, the 50th highest rate of 51. Cheyenne and Sheridan have the most; each record links to the provider's NPI and the Wyoming license search.

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).

Cheyenne has the most, 5

  1. Cheyenne5
  2. Sheridan2
  3. Casper1
  4. Gillette1
  5. Lander1

Hematology & Oncology Physician records in Wyoming

  1. Sameh Abuerreish, MDWorland, WY 824011447246202
  2. Maristela Batezini, M.D.Cheyenne, WY 820011225085392
  3. Carletta Collins, MDPowell, WY 824351740337617
  4. Mohamed El-Tarabily, MDCheyenne, WY 820011467418905
  5. Elizabeth Ham, M.D.Cheyenne, WY 820011316092638
  6. Diane Henshaw, MDCasper, WY 826091912939182
  7. Gregory Marino, DOSheridan, WY 828011023054285
  8. Philip McMahill, M.D.Gillette, WY 827161013968304
  9. Clinton Merrill, M.D.Lander, WY 825201992707285
  10. Megan Ratterman, D.O.Sheridan, WY 828011407145683
  11. Alexander Slota, MDCheyenne, WY 820011225514102
  12. Natalie Workman, M.D.Cheyenne, WY 820011598096182

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

Wyoming ranks 50 of 51 per resident

  1. Iowa2.8
  2. Nevada2.8
  3. Mississippi2.2
  4. Wyoming2.1
  5. Idaho1.9
  6. 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.

100.0% 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. Wyoming100.0%
  2. United States82.9%

Hematology & Oncology Physician records in Wyoming, measured

  • In a Medicare file12 of 12 · 100.0% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file8 · 66.7% here, 71.3% nationally
  • Not updated in five years or more7 · 58.3% here, 54.3% nationally

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

12 NPPES records list hematology & oncology physician (207RH0003X) as their primary taxonomy with a practice address in Wyoming: 2.1 per 100,000 residents against 4.2 nationally (50 states and D.C.). Cheyenne has 5 of them (42%).

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. Alaska21
  2. Vermont22
  3. Delaware31
  4. South Dakota31

States with a similar rate per 100,000

  1. Idaho1.9
  2. Mississippi2.2
  3. Nevada2.8
  4. Iowa2.8

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.