NPPES file of Aug 9, 2026

Nephrology Physician in Massachusetts

417 NPPES records list nephrology physician with a practice address in Massachusetts, 6 per 100,000 residents, the 2nd highest rate of 51. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts license search. Page 9 of 9.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RN0300X · 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, 206

  1. Boston206
  2. Worcester42
  3. Springfield17
  4. Burlington14
  5. Fall River8

Nephrology Physician records in Massachusetts

  1. Jacob Winograd, MDFall River, MA 027201699204347
  2. Janewit WongboonsinBoston, MA 021151235588930
  3. Seth Wright, M.D.Boston, MA 021111619045457
  4. Nancy Wu, M.D.Boston, MA 021181578722666
  5. Kendra Wulczyn, MDBoston, MA 021141881057834
  6. Eric Jia Yi XuBurlington, MA 018051083159172
  7. Henry Yager, M.D.Newton, MA 024621902865363
  8. Jiuming Ye, MD PHDSpringfield, MA 011041184614604
  9. Zeyar Yeh, M.D.Burlington, MA 018051518218882
  10. Christopher Ying, M.D.Burlington, MA 018051366540981
  11. Francis Zambetti, M.D.Fitchburg, MA 014201295717734
  12. Kambiz Zandi-Nejad, M.D.Boston, MA 022151164469789
  13. Mark Zeidel, M.D.Boston, MA 022151972511707
  14. Paul Zeller, MD, PHARMDBoston, MA 021111437786423
  15. Min ZhuoFoxborough, MA 020351457766651
  16. Kenneth Zoller, MDBrockton, MA 023011174563209
  17. Xochitl Zuniga, M.D.Fall River, MA 027201285633404

Source: CMS NPPES, primary taxonomy 207RN0300X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 51 per resident

  1. District of Columbia11.6
  2. Massachusetts6.0
  3. Maryland5.5
  4. New York5.4
  5. 50 states and D.C.4.0

Source: CMS NPPES, primary taxonomy 207RN0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

What the count covers

417 NPPES records list nephrology physician (207RN0300X) as their primary taxonomy with a practice address in Massachusetts: 6 per 100,000 residents against 4 nationally (50 states and D.C.). Boston has 206 of them (49%).

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. Georgia417
  2. North Carolina403
  3. New Jersey433
  4. Michigan376

States with a similar rate per 100,000

  1. Maryland5.5
  2. New York5.4
  3. Delaware5.0
  4. Pennsylvania5.0

The largest states

  1. California1,468
  2. Texas1,159
  3. New York1,049
  4. Florida840
  5. Pennsylvania651

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.