NPPES file of Aug 9, 2026

Obstetrics & Gynecology Physician in Massachusetts

1,127 NPPES records list obstetrics & gynecology physician with a practice address in Massachusetts, 16 per 100,000 residents, the 11th highest rate of 51. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts license search. Page 16 of 23.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207V00000X · method

Boston has the most, 316

Obstetrics & Gynecology Physician records in Massachusetts

  1. Michelle North, MDWeymouth, MA 021891669453981
  2. Nawal Nour, MD MPHBoston, MA 021151588774459
  3. Martin November, M.D.Cambridge, MA 021381457383978
  4. Patrick Nugent, MDNew Bedford, MA 021441801837638
  5. Daniel O'Connell, M.D.Foxboro, MA 020351780691261
  6. June O'Connor, M.D.Worcester, MA 016041336130657
  7. Kaitlin O'Connor, D.O.Weymouth, MA 021891962841254
  8. Charles O'Neill, M.D.Pittsfield, MA 012011437136561
  9. Neil O'Regan, MDLowell, MA 018541457311821
  10. Danielle O'Rourke-Suchoff, MDBoston, MA 021181295196178
  11. Jacquelyn O'Sullivan, MDFramingham, MA 017011619555380
  12. Jinhee Oh, MDBoston, MA 021151780171124
  13. Kyoko Okamura, MD, MPHBrookline, MA 024461922255371
  14. Margeaux OlivaBoston, MA 021151881198216
  15. Christopher Ollari, MDSpringfield, MA 011071669450326
  16. David Olson, M.D.Chestnut Hill, MA 024671568441186
  17. Leanne Ondreicka, MDWoburn, MA 018011063092450
  18. Chiamaka Onwuzurike, M.D.Boston, MA 021151316331556
  19. Elizabeth Onyemelukwe, MDBoston, MA 021151699738450
  20. Boris Orkin, M.D.Brookline, MA 024461427039338
  21. Marcus Ortega, MDBoston, MA 021141205275385
  22. Kerri Osterhaus-Houle, MDWorcester, MA 016041174574008
  23. Elizabeth Otmaskin, D.O.Springfield, MA 011071659799161
  24. Sharon Owusu-Darko, M.D.Boston, MA 021151285959866
  25. Alison Packard, MDBoston, MA 021141174513337
  26. Kelly Pagidas, MDWorcester, MA 016051235162512
  27. Melissa Palma, MDFramingham, MA 017011952399537
  28. Lakedra Pam, M.D.Boston, MA 021181992026983
  29. Liyi Pang, M.D.Worcester, MA 016081558551648
  30. Emily Parent, D.O.Boston, MA 022151437460367
  31. Gautam Parikh, MDBrockton, MA 023011568450336
  32. Ashley ParkerBoston, MA 021151881396026
  33. Hannah Parker, M.D.Brookline, MA 024451124078167
  34. Courtney PascoBoston, MA 021151477213601
  35. Kalpesh Patel, M.D.Pittsfield, MA 012011043508773
  36. Karishma Patel, MDBoston, MA 021111548884422
  37. Kirti Patel, MDSouthbridge, MA 015501104874312
  38. Edward Patton, MDFlorence, MA 010621750350138
  39. Elizabeth Patton, M.D.Boston, MA 021181053647230
  40. Maureen Paul, M.D.Boston, MA 022151003822818
  41. Alessandra Peccei, MDRevere, MA 021511689664138
  42. William Pegg, M.D.Hyannis, MA 026011285798074
  43. James Penza, MDNorwell, MA 020611902039365
  44. Michael Pepi, MDNew Bedford, MA 027401750301743
  45. Rebecca Perkins, M.D.Boston, MA 021181417930504
  46. Johanna Perlmutter, M.D.Boston, MA 022151811009582
  47. Briana Perry, MDNorth Chelmsford, MA 018631336643808
  48. Daniel Pesch, M.D.Oak Bluffs, MA 025571366484552
  49. Ralph Philosophe, M.D.Plainville, MA 027621649287749
  50. Lauren Philp, MDBoston, MA 021141366095978

Source: CMS NPPES, primary taxonomy 207V00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 11 of 51 per resident

  1. Illinois16
  2. Alaska16
  3. New York16
  4. Massachusetts16
  5. Vermont16
  6. Oregon15
  7. 50 states and D.C.14

Source: CMS NPPES, primary taxonomy 207V00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

73.0% of these records appear in a Medicare file, against 75.6% 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. Massachusetts73.0%
  2. United States75.6%

Obstetrics & Gynecology Physician records in Massachusetts, measured

  • In a Medicare file823 of 1,127 · 73.0% here, 75.6% nationally
  • In the CMS Doctors and Clinicians file716 · 63.5% here, 60.3% nationally
  • Not updated in five years or more724 · 64.2% here, 56.2% nationally
  • Median graduation year2004 · the 715 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207V00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,127 NPPES records list obstetrics & gynecology physician (207V00000X) as their primary taxonomy with a practice address in Massachusetts: 16 per 100,000 residents against 14 nationally (50 states and D.C.). Boston has 316 of them (28%).

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. Virginia1,174
  2. Washington1,038
  3. Maryland1,034
  4. Colorado906

States with a similar rate per 100,000

  1. Vermont16.1
  2. New York16.2
  3. Alaska16.2
  4. Illinois16.4

The largest states

  1. California5,088
  2. Texas3,524
  3. New York3,174
  4. Florida2,601
  5. Illinois2,062

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.