NPPES file of Aug 9, 2026

Orthopaedic Surgery Physician in Maryland

457 NPPES records list orthopaedic surgery physician with a practice address in Maryland, 7.4 per 100,000 residents, the 33rd highest rate of 51. Baltimore and Bethesda have the most; each record links to the provider's NPI and the Maryland license search. Page 7 of 10.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207X00000X · 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, 158

  1. Baltimore158
  2. Bethesda35
  3. Silver Spring18
  4. Rockville17
  5. Towson17

Orthopaedic Surgery Physician records in Maryland

  1. Lucas Nikkel, M.D.Columbia, MD 210441023384997
  2. Sagar Nootheti, MDCollege Park, MD 207401073621793
  3. Uchenna Nwaneri, M.D.Greenbelt, MD 207701538221114
  4. Denis O'Brien, MDOlney, MD 208321427053339
  5. Edward O'Mara, MDBel Air, MD 210141487690442
  6. John Odonnell, MDBaltimore, MD 212181902840713
  7. Phillip Omohundro, M.D.Glenn Dale, MD 207691871553594
  8. Vincent Osteria, MDHavre De Grace, MD 210781548282346
  9. Harvinder Pabla, M.DLaurel, MD 207081760530349
  10. Rajeev Pandarinath, M.D.Bethesda, MD 208171700023561
  11. Yesha Parekh, MDBaltimore, MD 212871861121147
  12. Hanchong Park, MDOakland, MD 215501437141066
  13. Ebrahim Paryavi, M.D., MPHBaltimore, MD 212011093982951
  14. Amar Patel, DOBaltimore, MD 212151336726330
  15. Nirav Patel, MDBethesda, MD 208171992181895
  16. Tushar Patel, M.D.Chevy Chase, MD 208151922021997
  17. Uday Patel, M.D.Prince Frederick, MD 206781922157965
  18. Raymond Pensy, M.D.Baltimore, MD 212071205929213
  19. David Perim, M.D.Silver Spring, MD 209101689666190
  20. Robert Peroutka, M.D.Baltimore, MD 212151295702322
  21. Shian Peterson, M.D.Bethesda, MD 208891891174991
  22. Benjamin Petre, M.D.Annapolis, MD 214011972640092
  23. Gabriel Petruccelli, MDSilver Spring, MD 209101255623690
  24. Mark PfaffElkton, MD 219211194728469
  25. Jeffery Phillips, MD PHD FACSFort Washington, MD 207441801957865
  26. Carmen Pichard Encina, M.D.Baltimore, MD 212871184760605
  27. Adam Pickett, MDBethesda, MD 208891376843243
  28. George PirpirisBaltimore, MD 212011114011897
  29. Luke PitsenbargerBaltimore, MD 212011326736299
  30. Elizabeth Polfer, M.D.Bethesda, MD 208891982938155
  31. Morris Polsky, M.D.Catonsville, MD 212281144224916
  32. Brett Quigley, MDRockville, MD 208501528009255
  33. Micheal RaadBaltimore, MD 212871245735844
  34. Christopher Raffo, MDBethesda, MD 208171750398905
  35. Sudheer Reddy, MDFrederick, MD 217021740340249
  36. Richard Reff, M.D.Rockville, MD 208501356358816
  37. Jerome Reichmister, MDBaltimore, MD 212091487642369
  38. Risa Reid, M.D.Annapolis, MD 214011982135448
  39. John Renehan, M.D.Bethesda, MD 208891033537790
  40. Christopher Renninger, MDBethesda, MD 208891487917720
  41. Robert Riederman, MDBaltimore, MD 212091376532267
  42. Lee Riley, M.D.Lutherville, MD 210931588606628
  43. Thomas Ring, M.D.Baltimore, MD 212181689870214
  44. George Ritchie, M.D.Timonium, MD 210931205181625
  45. Daniel Robertson, MDRockville, MD 208521578791281
  46. Stephen Rockower, MDRockville, MD 208521164480349
  47. Marina Rodriguez, MDBethesda, MD 208141912311556
  48. David Roe, MDSalisbury, MD 218041750362455
  49. Roberta Rothen, M.D.Hagerstown, MD 217401063415289
  50. Wayne Rozran, M. D.Prince Frederick, MD 206781740256080

Source: CMS NPPES, primary taxonomy 207X00000X: records by practice city and the list of records, file of Aug 9, 2026.

Maryland ranks 33 of 51 per resident

  1. Hawaii7.5
  2. Oklahoma7.4
  3. New Jersey7.4
  4. Maryland7.4
  5. Delaware7.4
  6. Louisiana7.3
  7. 50 states and D.C.7.4

Source: CMS NPPES, primary taxonomy 207X00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

78.6% of these records appear in a Medicare file, against 76.5% 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. Maryland78.6%
  2. United States76.5%

Orthopaedic Surgery Physician records in Maryland, measured

  • In a Medicare file359 of 457 · 78.6% here, 76.5% nationally
  • In the CMS Doctors and Clinicians file299 · 65.4% here, 62.5% nationally
  • Not updated in five years or more281 · 61.5% here, 56.8% nationally
  • Median graduation year2002 · the 299 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207X00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

457 NPPES records list orthopaedic surgery physician (207X00000X) as their primary taxonomy with a practice address in Maryland: 7.4 per 100,000 residents against 7.4 nationally (50 states and D.C.). Baltimore has 158 of them (35%).

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. Arizona462
  2. Tennessee467
  3. Colorado471
  4. Indiana491

States with a similar rate per 100,000

  1. Delaware7.4
  2. New Jersey7.4
  3. Louisiana7.3
  4. Oklahoma7.4

The largest states

  1. California2,276
  2. Texas1,514
  3. Florida1,470
  4. New York1,339
  5. Pennsylvania1,253

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.