NPPES file of Aug 9, 2026

Hepatology Physician in Massachusetts

16 NPPES records list hepatology physician with a practice address in Massachusetts, 0.2 per 100,000 residents, the 4th highest rate of 37. Boston and Burlington 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 207RI0008X · method

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

Boston has the most, 14

  1. Boston14
  2. Burlington1
  3. Newton1

Hepatology Physician records in Massachusetts

  1. Nezam Afdhal, M.D.Boston, MA 022151508973173
  2. Laurence Bailen, M.D.Newton, MA 024621922078930
  3. Sanjiv Chopra, M.D.Boston, MA 022151710027156
  4. Eric Cohen, M.D.Boston, MA 022151881833747
  5. Michael Curry, MDBoston, MA 022151518939446
  6. Zachary Fricker, MDBoston, MA 022151790049161
  7. Fredric Gordon, M.D.Boston, MA 021111891892691
  8. Dusanka Grbic, M.D.Boston, MA 022151306264775
  9. Michelle Lai, M.D.Boston, MA 022151609030865
  10. Daryl Lau, M.D.;MPHBoston, MA 022151104858638
  11. Diarmuid Manning, M.D.Boston, MA 022151245498393
  12. Vilas Patwardhan, MDBoston, MA 022151043479587
  13. Amir Qamar, MDBurlington, MA 018051629054820
  14. Simon Robson, MD, PHD, FRCPBoston, MA 022151750369559
  15. Jordan Sack, MD, MPHBoston, MA 021151669883245
  16. Lauren Yang, M.D.Boston, MA 022151366856619

Source: CMS NPPES, primary taxonomy 207RI0008X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 4 of 37 per resident

  1. South Dakota0.7
  2. District of Columbia0.4
  3. Iowa0.2
  4. Massachusetts0.2
  5. Connecticut0.2
  6. Wisconsin0.2
  7. 50 states and D.C.0.1

Source: CMS NPPES, primary taxonomy 207RI0008X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

81.3% of these records appear in a Medicare file, against 83.4% 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. Massachusetts81.3%
  2. United States83.4%

Hepatology Physician records in Massachusetts, measured

  • In a Medicare file13 of 16 · 81.3% here, 83.4% nationally
  • In the CMS Doctors and Clinicians file12 · 75.0% here, 72.4% nationally
  • Not updated in five years or more13 · 81.3% here, 46.8% nationally
  • Median graduation year1993 · the 12 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RI0008X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

16 NPPES records list hepatology physician (207RI0008X) as their primary taxonomy with a practice address in Massachusetts: 0.2 per 100,000 residents against 0.1 nationally (50 states and D.C.). Boston has 14 of them (88%).

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. Pennsylvania16
  2. Wisconsin11
  3. Florida23
  4. Illinois23

States with a similar rate per 100,000

  1. New York0.2
  2. California0.1
  3. Texas0.1

The largest states

  1. California43
  2. New York35
  3. Florida23
  4. Illinois23
  5. Texas23

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.