NPPES file of Aug 9, 2026

Infectious Disease Physician in Massachusetts

487 NPPES records list infectious disease physician with a practice address in Massachusetts, 7 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 10.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RI0200X · 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, 284

  1. Boston284
  2. Worcester56
  3. Springfield20
  4. Cambridge11
  5. Burlington10

Infectious Disease Physician records in Massachusetts

  1. Pranay Sinha, MDBoston, MA 021181588077689
  2. Daniel Skiest, MDSpringfield, MA 011071184671828
  3. Nicole Sleiman, MDHaverhill, MA 018301831370402
  4. Magdalena Slosar-Cheah, M.D.Worcester, MA 016551558520445
  5. Lorne Small, M.D.Boston, MA 021111326006388
  6. Olivia Smibert, MBBSBoston, MA 021141134600174
  7. Heidi Smith, M.D.Worcester, MA 016051295880029
  8. Jacob SmithSpringfield, MA 011071295172344
  9. David Snydman, MDBoston, MA 021111942311337
  10. Daniel Solomon, M.DBoston, MA 021151972823821
  11. Conor Stack, M.D.Boston, MA 022151083976807
  12. Susan StanleyBoston, MA 021141235584921
  13. Wendy Stead, M.D.Boston, MA 022151811086309
  14. Judith Steinberg, MDWorcester, MA 016051720063670
  15. Andrew Strand, M.D.Boston, MA 021111225395379
  16. Judith Strymish, MDWest Roxbury, MA 021321134101512
  17. Ramnath Subbaraman, M.D.Boston, MA 021151063646792
  18. Carol Sulis, MDBoston, MA 021181093829350
  19. Margaret Sullivan, M.D.Boston, MA 021181366414286
  20. William Swiggard, M.D., PH.D.Northampton, MA 010601457335622
  21. Karla Talledo Thais, MDBoston, MA 021181134357924
  22. Donald Thea, M.D.Boston, MA 021181922096502
  23. Nicole Theodoropoulos, MDWorcester, MA 016551497971485
  24. Anna Thorner, MDBoston, MA 021141629059415
  25. David Thornton, M.D.West Roxbury, MA 021321003912510
  26. Cheleste Thorpe, M.D.Boston, MA 021111356385850
  27. Dylan Tierney, MD, MPHBoston, MA 021151447386123
  28. Maureen Tierney, M.D.East Sandwich, MA 025371932494663
  29. Patricia Toro, MDWinchester, MA 018901184760142
  30. Helena Torpy, MBBSBoston, MA 021141891592887
  31. Cecile Tremblay, M.D.Boston, MA 021141679762835
  32. Jose Trevejo, M.D., PH.D.Boston, MA 022151508070202
  33. Virginia Triant, MD, MPHBoston, MA 021141659407310
  34. Athe Tsibris, MDBoston, MA 021141316928773
  35. Artsiom Tsyrkunou, MD, MPHPittsfield, MA 012011376773234
  36. Joseph Tucker, M.D.Boston, MA 021141568667004
  37. John Tully, MDCambridge, MA 021381578565974
  38. Sarah Turbett, M.D.Boston, MA 021141982831475
  39. Swalpa UditBoston, MA 021151205254406
  40. Stephanos Vassilopoulos, MDBoston, MA 021141801586631
  41. Samuel Vidal, M.D., PH.D.Boston, MA 021151124481486
  42. Tine Vindenes, M.D.Boston, MA 021111356654438
  43. Brant Viner, M.D.Worcester, MA 016051952373128
  44. Douglas Waite, MDWorcester, MA 016081386641025
  45. Matthew Waldor, M.D.Boston, MA 021111477665933
  46. Rochelle Walensky, MDBoston, MA 021141447240981
  47. Bruce Walker, MDCambridge, MA 021391770571572
  48. Durane Walker, M.D.Springfield, MA 011071124317714
  49. Stephen Walsh, MDCMBoston, MA 021141407828098
  50. Frederick Wang, M.D.Boston, MA 021151912040304

Source: CMS NPPES, primary taxonomy 207RI0200X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 51 per resident

  1. District of Columbia16.2
  2. Massachusetts7.0
  3. Maryland6.6
  4. Rhode Island6.0
  5. 50 states and D.C.3.2

Source: CMS NPPES, primary taxonomy 207RI0200X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

68.8% of these records appear in a Medicare file, against 79.0% 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. Massachusetts68.8%
  2. United States79.0%

Infectious Disease Physician records in Massachusetts, measured

  • In a Medicare file335 of 487 · 68.8% here, 79.0% nationally
  • In the CMS Doctors and Clinicians file296 · 60.8% here, 68.4% nationally
  • Not updated in five years or more317 · 65.1% here, 56.5% nationally
  • Median graduation year2003 · the 296 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RI0200X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

487 NPPES records list infectious disease physician (207RI0200X) as their primary taxonomy with a practice address in Massachusetts: 7 per 100,000 residents against 3.2 nationally (50 states and D.C.). Boston has 284 of them (58%).

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. Illinois464
  2. Pennsylvania545
  3. Maryland410
  4. New Jersey375

States with a similar rate per 100,000

  1. Rhode Island6.0
  2. Connecticut5.6
  3. New York5.0
  4. Minnesota3.8

The largest states

  1. California1,119
  2. New York970
  3. Florida760
  4. Texas674
  5. Pennsylvania545

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.