NPPES file of Aug 9, 2026

Clinical Genetics (M.D.) Physician in District of Columbia

17 NPPES records list clinical genetics (m.d.) physician with a practice address in District of Columbia, 2.5 per 100,000 residents, the 1st highest rate of 49; each record links to the provider's NPI and the District of Columbia license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207SG0201X · method

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

Washington has the most, 17

  1. Washington17

Clinical Genetics (M.D.) Physician records in District of Columbia

  1. Nicholas Ah Mew, MDWashington, DC 200101255623815
  2. Seth BergerWashington, DC 200101285992941
  3. Charles Billington, MDWashington, DC 200101003235367
  4. Susan Black, MDWashington, DC 200101104851765
  5. Andrea CohenWashington, DC 200101093212763
  6. Jamie FraserWashington, DC 200101487970596
  7. Cristal Hernandez HernandezWashington, DC 200121316562382
  8. Eyby Luz Leon Janampa, MDWashington, DC 200101104056738
  9. Thomas Markello, MDWashington, DC 200101912085234
  10. Kenneth Rosenbaum, MDWashington, DC 200101689752917
  11. Reem Saadeh-Haddad, M.DWashington, DC 200071215159264
  12. Nina ScribanuWashington, DC 200071760468474
  13. Patroula Smpokou, M.D.Washington, DC 200101245412592
  14. Cynthia Tifft, MDWashington, DC 200101467530709
  15. Mendel Tuchman, MDWashington, DC 200101861570103
  16. Eric Vilain, M.D.Washington, DC 200101275557423
  17. Dina Zand, MDWashington, DC 200101245318591

Source: CMS NPPES, primary taxonomy 207SG0201X: records by practice city and the list of records, file of Aug 9, 2026.

District of Columbia ranks 1 of 49 per resident

  1. District of Columbia2.5
  2. Delaware1.0
  3. Massachusetts0.8
  4. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 207SG0201X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

47.1% of these records appear in a Medicare file, against 62.3% 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. District of Columbia47.1%
  2. United States62.3%

Clinical Genetics (M.D.) Physician records in District of Columbia, measured

  • In a Medicare file8 of 17 · 47.1% here, 62.3% nationally
  • In the CMS Doctors and Clinicians file3 · 17.6% here, 47.7% nationally
  • Not updated in five years or more13 · 76.5% here, 51.3% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207SG0201X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

17 NPPES records list clinical genetics (m.d.) physician (207SG0201X) as their primary taxonomy with a practice address in District of Columbia: 2.5 per 100,000 residents against 0.3 nationally (50 states and D.C.). Washington has 17 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. Alabama17
  2. Colorado16
  3. North Carolina16
  4. Virginia16

States with a similar rate per 100,000

  1. Delaware1.0
  2. Massachusetts0.8
  3. Maryland0.8
  4. Ohio0.5

The largest states

  1. California151
  2. New York73
  3. Texas59
  4. Massachusetts56
  5. Ohio55

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.