NPPES file of Aug 9, 2026

Clinical Pathology Physician in Massachusetts

40 NPPES records list clinical pathology physician with a practice address in Massachusetts, 0.6 per 100,000 residents, the 2nd highest rate of 46. Boston and Acton have the most; each record links to the provider's NPI and the Massachusetts license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207ZC0006X · method

Boston has the most, 37

Clinical Pathology Physician records in Massachusetts

  1. Melis Anahtar, MD, PHDBoston, MA 021141073033270
  2. Sankha Basu, M.D., PH.DBoston, MA 021151982028379
  3. Phoenix BellBoston, MA 021151235668641
  4. Allen Bryan, M.D., PH.D.Boston, MA 022151417214701
  5. Allison Carey, MD, PHDBoston, MA 021141891055844
  6. Mischa Covington, MD, PHDBoston, MA 021151063049997
  7. Gandhar DatarBoston, MA 021141396688024
  8. Daniel Ditoro, MD, PHDBoston, MA 021151376101758
  9. Jeffrey Gagan, M.D./PH.D.Boston, MA 021151265835839
  10. Georg Gerber, M.D., PH.D.Boston, MA 021151083856645
  11. Tasos GogakosBoston, MA 021141710448121
  12. Julie Guilmette, M.DBoston, MA 021141447604194
  13. Christopher Hergott, MD, PHDBoston, MA 021151114448958
  14. Adrianna Herskovits, MD, PHDBoston, MA 022151568652576
  15. Zahra Jalali, MDBoston, MA 021111023753753
  16. William Lane, M.D., PH.D.Boston, MA 021151609018191
  17. Lei LiBurlington, MA 018051740609833
  18. Jun LiuBoston, MA 021151942836887
  19. Li LiuBoston, MA 021141396250635
  20. Lina MaBoston, MA 021141457848152
  21. Vinay Mahajan, M.B.B.S, PH.D.Boston, MA 021151508005232
  22. Grace Mahowald, MD, PHDBoston, MA 021141659665685
  23. David Miller, MDBoston, MA 021151710942909
  24. Alissa Minkovsky, M.D./PH.D.Boston, MA 021151457735284
  25. Vijay Modur, MDActon, MA 017201821551979
  26. Sarah Mueller, MD, PHDBoston, MA 021181154819969
  27. Natasha Novikov, MDBoston, MA 021151821518671
  28. Jonathan Nowak, M.D.Boston, MA 021151447576913
  29. Allison OnkenBoston, MA 022151669827663
  30. Abdurrahman Fatih Ozay, MDBoston, MA 021151427678895
  31. Jeremy Ryan Pena, MD, PHD, MSBoston, MA 021141467688960
  32. Cecilia Ponchiardi, M.D.Boston, MA 022151689916702
  33. William Rothwell, MD PHDBoston, MA 022101669933487
  34. Sam Sadigh, M.D.Boston, MA 021151689094617
  35. Daimon Simmons, M.D., PH.DBoston, MA 021151124456652
  36. George Tjionas, MDWorcester, MA 016551982946307
  37. Jonathan Tsai, MD, PHDBoston, MA 021151518462761
  38. Sacha Uljon, MD, PHDBoston, MA 021141194897819
  39. Hilde Vardeh, M.D.Boston, MA 022151578937587
  40. Edina Wappler-Guzzetta, MD, PHDBoston, MA 021181295391449

Source: CMS NPPES, primary taxonomy 207ZC0006X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 46 per resident

  1. North Dakota0.8
  2. Massachusetts0.6
  3. Missouri0.4
  4. Utah0.4
  5. 50 states and D.C.0.1

Source: CMS NPPES, primary taxonomy 207ZC0006X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

62.5% of these records appear in a Medicare file, against 57.8% 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. Massachusetts62.5%
  2. United States57.8%

Clinical Pathology Physician records in Massachusetts, measured

  • In a Medicare file25 of 40 · 62.5% here, 57.8% nationally
  • In the CMS Doctors and Clinicians file28 · 70.0% here, 50.8% nationally
  • Not updated in five years or more20 · 50.0% here, 49.9% nationally
  • Median graduation year2013 · the 28 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207ZC0006X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

40 NPPES records list clinical pathology physician (207ZC0006X) as their primary taxonomy with a practice address in Massachusetts: 0.6 per 100,000 residents against 0.1 nationally (50 states and D.C.). Boston has 37 of them (93%).

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. New York42
  2. California43
  3. Texas32
  4. Pennsylvania24

States with a similar rate per 100,000

  1. Missouri0.4
  2. Utah0.4
  3. Maryland0.3
  4. Minnesota0.2

The largest states

  1. California43
  2. New York42
  3. Texas32
  4. Pennsylvania24
  5. Missouri22

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.