NPPES file of Aug 9, 2026

Reproductive Endocrinology Physician in Massachusetts

69 NPPES records list reproductive endocrinology physician with a practice address in Massachusetts, 1 per 100,000 residents, the 5th highest rate of 48. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts license search. Page 1 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207VE0102X · 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, 18

  1. Boston18
  2. Worcester9
  3. Reading8
  4. Waltham7
  5. Dedham5

Reproductive Endocrinology Physician records in Massachusetts

  1. Carol Anania, M.D.Dedham, MA 020261124015029
  2. Jeremy ApplebaumBoston, MA 021151366959116
  3. Sara Arian, MD, MSCWaltham, MA 024511336495597
  4. Armando Arroyo, MDWorcester, MA 016051538188420
  5. Steven Bayer, M.D.Brookline, MA 024451154375038
  6. Brian Berger, M.D.Quincy, MA 021691811934557
  7. Merle Berger, M.D.Waltham, MA 024511215974506
  8. Pietro BortolettoDedham, MA 020261720477516
  9. Vito Cardone, M.D.Stoneham, MA 021801285707356
  10. Eden Cardozo Levy, M.D.Boston, MA 021141619109469
  11. Shaila Chauhan, M.D.Worcester, MA 016051306921283
  12. Brian Clark, MDMillbury, MA 015271437159795
  13. Josette Dawkins, M.D.Waltham, MA 024511629454814
  14. Meaghan Delaney, M.D.Worcester, MA 016051396905642
  15. Robin Fischer, M.D.Quincy, MA 021711396810891
  16. Victoria Fitz, M.D.Boston, MA 021141801206651
  17. Janis Fox, MDBoston, MA 021151437100310
  18. Antonio Gargiulo, MDBoston, MA 021151255345146
  19. Elizabeth Ginsburg, MDBoston, MA 021151164407938
  20. R. Ian Hardy, M.D., PH.D.Reading, MA 018671457445256
  21. Joseph Hill, M.D.Reading, MA 018671821182635
  22. Mark Hornstein, MDBoston, MA 021141720038276
  23. Robert Howe, MDE Longmeadow, MA 010281689651614
  24. Pei-Li Huang, M.D.Dedham, MA 020261245227206
  25. David Keefe, MDWorcester, MA 016051801809066
  26. Katherine Koniares, MDChestnut Hill, MA 024671104355353
  27. Sasmira Lalwani, MDWorcester, MA 016051184652174
  28. Grace Lee, MDBoston, MA 022151508937269
  29. Caiyun Liao, MD, MPHWorcester, MA 016051982066379
  30. Shruthi Mahalingaiah, M.D.Boston, MA 021181295046654
  31. Tamar MatitashviliReading, MA 018671285040923
  32. Evelyn Minis, MDBoston, MA 021141760989966
  33. Amir Mor, MDReading, MA 018671427481761
  34. Donna O'Shea, M.D.Springfield, MA 011991669406302
  35. Charles-Chidi Obasiolu, M.D.Boston, MA 022151013022078
  36. Selwyn Oskowitz, M.D.Brookline, MA 024451235176868
  37. Samuel Pang, M.D.Lexington, MA 024211508853581
  38. Samuel Pauli, M.D,Lexington, MA 024201295918027
  39. Alan Penzias, M.D.Waltham, MA 024511497701866
  40. John Petrozza, MDReading, MA 018671871574285
  41. Beth Plante, M.D.Reading, MA 018671245259654
  42. Mitchell Rein, M.D.Danvers, MA 019231306810429
  43. David Ryley, M.D.Brookline, MA 024451124065412
  44. Riwa SabbaghWaltham, MA 024511831621085
  45. Caitlin Sacha, M.D.Worcester, MA 016051750791299
  46. Alexa Sassin, MDBoston, MA 021141336671346
  47. Shimon Segal, M.D.Wellesley Hills, MA 024811558471292
  48. Machelle Seibel, M.D.Worcester, MA 016051407847643
  49. Emily Seidler, M.D.Dedham, MA 020261124381504
  50. Sander Shapiro, M.D.West Tisbury, MA 025751669663662

Source: CMS NPPES, primary taxonomy 207VE0102X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 5 of 48 per resident

  1. Rhode Island1.3
  2. New York1.1
  3. District of Columbia1.0
  4. Massachusetts1.0
  5. Vermont0.9
  6. New Jersey0.9
  7. 50 states and D.C.0.5

Source: CMS NPPES, primary taxonomy 207VE0102X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

71.0% of these records appear in a Medicare file, against 70.3% 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. Massachusetts71.0%
  2. United States70.3%

Reproductive Endocrinology Physician records in Massachusetts, measured

  • In a Medicare file49 of 69 · 71.0% here, 70.3% nationally
  • In the CMS Doctors and Clinicians file30 · 43.5% here, 14.8% nationally
  • Not updated in five years or more43 · 62.3% here, 57.3% nationally
  • Median graduation year1989 · the 29 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207VE0102X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

69 NPPES records list reproductive endocrinology physician (207VE0102X) as their primary taxonomy with a practice address in Massachusetts: 1 per 100,000 residents against 0.5 nationally (50 states and D.C.). Boston has 18 of them (26%).

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. Illinois79
  2. New Jersey79
  3. Pennsylvania83
  4. North Carolina52

States with a similar rate per 100,000

  1. New York1.1
  2. Hawaii0.8
  3. Rhode Island1.3
  4. California0.7

The largest states

  1. California267
  2. New York206
  3. Texas150
  4. Florida93
  5. Pennsylvania83

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.