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 8 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. David Steele, MDBoston, MA 021141659352490
  2. Theodore Steinman, M.D.Boston, MA 022151922065945
  3. Lauren Stern, MDBoston, MA 021181255590758
  4. Jeffrey Stoff, M.D.Worcester, MA 016551417931718
  5. James Strom, MDBrighton, MA 021351891785895
  6. Vikas Sukhatme, MD, PHDBoston, MA 022151457318925
  7. Patricia Suzman, M.D.Boston, MA 021081639324791
  8. Stephen Sweet, MDSpringfield, MA 011071528059003
  9. Nathalie Tabibzadeh, MDBrookline, MA 024461619773694
  10. Mengyao Tang, MD, MPHBoston, MA 021141619498029
  11. Jessica Tangren, M.D.Boston, MA 021151689968810
  12. Navdeep Tangri, M.D.Boston, MA 021111376742361
  13. Joshua Tarkan, M.D.Newburyport, MA 019501922104884
  14. Jose Teixeira-Da-Silva, MDPlymouth, MA 023601427108786
  15. Ravi Thadhani, MD, MPHBoston, MA 021141831170620
  16. Tatiana Thom, M.D.Taunton, MA 027801629205828
  17. Richard Thomas, MDBurlington, MA 018051326115080
  18. Kathryn Tinckam, MD MMS FRCPCBoston, MA 021151922083963
  19. Abhinav Tiwary, M.DSpringfield, MA 011071801191366
  20. Nina Tolkoff-Rubin, MDBoston, MA 021141376524165
  21. Matthew Trainor, M.D.Worcester, MA 016551013990084
  22. Wayne Trebbin, MDSalem, MA 019701477692697
  23. John Tucker, MDBoston, MA 021151437187887
  24. Ye Tun, M.DBoston, MA 021181063738615
  25. Katrin Uhlig, MDBoston, MA 021111902909948
  26. Ashish Upadhyay, MDBoston, MA 021181376689919
  27. Rohit Vakil, M.D.Worcester, MA 016041720062920
  28. Thomas Vanhove, MDBoston, MA 021141467007435
  29. Swapna Vantzelfde, MDBoston, MA 021151114286473
  30. Melissa Vega, MDWest Springfield, MA 010891659824415
  31. Xavier Vela Parada, MDWorcester, MA 016551598269896
  32. Ashish Verma, MD, MRCPWorcester, MA 016081164620324
  33. Ashish Verma, MDBoston, MA 021181770967143
  34. Panagiotis Vlagopoulos, M.D.Plymouth, MA 023601851356513
  35. Adina Voiculescu, MD, PHDBoston, MA 021151366761348
  36. Mahesh Wadhwa, M.D.Peabody, MA 019601124058557
  37. Sushrut Waikar, MDBoston, MA 021181801879150
  38. Joshua Waitzman, M.D., PH.D.Boston, MA 022151740679414
  39. Ravinder Wali, M.D.Worcester, MA 016551821030933
  40. Edward Walshe, M.D.Burlington, MA 018051073688099
  41. Katherine Wang, M.D.Weymouth, MA 021901447670294
  42. Qiyu Wang, MDBoston, MA 021151427579028
  43. Onica Washington, MD, PHDWorcester, MA 016551508362427
  44. Andrew Watts, MBCHBBoston, MA 021301922623628
  45. Daniel Weiner, MDBoston, MA 021111437251360
  46. Donghai Wen, MDBoston, MA 021141285021188
  47. Shirley Whitaker, MDSpringfield, MA 011041376524199
  48. Jeffrey William, M.D.Boston, MA 022151033439716
  49. Mark Williams, MDBoston, MA 022151184653891
  50. Winfred Williams, MDBoston, MA 021141891709242

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.