NPPES file of Aug 9, 2026

Obstetrics & Gynecology Physician in Maryland

1,034 NPPES records list obstetrics & gynecology physician with a practice address in Maryland, 17 per 100,000 residents, the 7th highest rate of 51. Baltimore and Bethesda have the most; each record links to the provider's NPI and the Maryland license search. Page 21 of 21.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Baltimore has the most, 288

  1. Baltimore288
  2. Bethesda67
  3. Silver Spring67
  4. Columbia56
  5. Rockville53

Obstetrics & Gynecology Physician records in Maryland

  1. Joseph Welch, MDSalisbury, MD 218011114914942
  2. Richard Welch, M.D.Annapolis, MD 214011053314757
  3. Ngozi Wexler, MDWhite Plains, MD 206951740278480
  4. Denise White- Franklin, M.D.Owings Mills, MD 211171205154184
  5. Debra Whitehurst Brown, MDBowie, MD 207161427120922
  6. Donald Wiersma, MDBethesda, MD 208891356338404
  7. Brianna Wiggins, PA-CTowson, MD 212041477264752
  8. Brian Wildey, MDBaltimore, MD 212241578754388
  9. Susan Willard, MDBaltimore, MD 212361851459804
  10. Tiffany Wilson, M.D.Silver Spring, MD 209101073773313
  11. Bruce Winnacott, MDSalisbury, MD 218041588643738
  12. Catherine Witkop, MD, MPH, PHDBethesda, MD 208891801066766
  13. Frank Witter, M.D.Baltimore, MD 212871295771277
  14. Edward Wolfgram, MDBethesda, MD 208171356332134
  15. Lee Wong, M.D.Baltimore, MD 212371336407329
  16. Raymond Wright, M.D.Baltimore, MD 212371992764740
  17. Eugene Wu, MDTimonium, MD 210931801964218
  18. Harold WuBaltimore, MD 212871750657573
  19. Ran Xie, MDRockville, MD 208521588930093
  20. Arturo Yabut, M.D.Towson, MD 212041760575476
  21. John Yacoub, MDBaltimore, MD 212291902903826
  22. Raj Yadav, M.D.Columbia, MD 210461457328593
  23. Dianna Yan, M.D.Gaithersburg, MD 208771710928411
  24. Yue-Cheng Yang, MDBaltimore, MD 212111801990064
  25. Gwendolyn Yates, MDColumbia, MD 210441558320952
  26. Golsa Yazdy, M.D.Baltimore, MD 212241023438850
  27. Melvin Yeshnik, M.D.Westminster, MD 211571124012166
  28. Carolynn Young, MDRockville, MD 208501285615195
  29. Steve Yu, M.D.Gaithersburg, MD 208771710929724
  30. Miriam Yudkoff, M.D.Annapolis, MD 214011326068826
  31. Howard Zacur, M.D.Lutherville, MD 210931063458602
  32. Ruthann Zern, MDBaltimore, MD 212041922081603
  33. Katie Zhang, MDRockville, MD 208501801098702
  34. Giselle ZornbergBaltimore, MD 212871760806970

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

Maryland ranks 7 of 51 per resident

  1. Rhode Island19
  2. Michigan18
  3. New Hampshire17
  4. Maryland17
  5. Illinois16
  6. Alaska16
  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.

74.8% 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. Maryland74.8%
  2. United States75.6%

Obstetrics & Gynecology Physician records in Maryland, measured

  • In a Medicare file773 of 1,034 · 74.8% here, 75.6% nationally
  • In the CMS Doctors and Clinicians file598 · 57.8% here, 60.3% nationally
  • Not updated in five years or more562 · 54.4% here, 56.2% nationally
  • Median graduation year2005 · the 597 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

1,034 NPPES records list obstetrics & gynecology physician (207V00000X) as their primary taxonomy with a practice address in Maryland: 17 per 100,000 residents against 14 nationally (50 states and D.C.). Baltimore has 288 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. Washington1,038
  2. Massachusetts1,127
  3. Colorado906
  4. Missouri902

States with a similar rate per 100,000

  1. Illinois16.4
  2. New Hampshire17.1
  3. Virgin Islands17.2
  4. Alaska16.2

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.