NPPES file of Aug 9, 2026

Gastroenterology Physician in New York

1,797 NPPES records list gastroenterology physician with a practice address in New York, 9.2 per 100,000 residents, the 4th highest rate of 51. New York and Brooklyn have the most; each record links to the provider's NPI and the New York license search. Page 25 of 36.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RG0100X · method

New York has the most, 500

Gastroenterology Physician records in New York

  1. Rachel Niec, M.D., PH.D.New York, NY 100211801281167
  2. Ira Nierenberg, M.D.Middletown, NY 109411972517332
  3. Hubertus Nietsch, MDAlbany, NY 122081447567649
  4. Sofia Nigar, M.DHarrison, NY 105281467724625
  5. Zana Nikolla, M.D.Poughkeepsie, NY 126011881827368
  6. Makoto Nishimura, MDNew York, NY 100651083105290
  7. Rayees Nizam, MDOswego, NY 131261154375087
  8. Jennifer Northrop, M.D.Albany, NY 122061952589210
  9. Vincent Notar-Francesco, M.D.Brooklyn, NY 112151083664627
  10. William Notis, M.D.Albany, NY 122061538191184
  11. Jan Novak, MDBuffalo, NY 142151427096239
  12. Joshua Novak, M.D.New York, NY 100191801085337
  13. Sofia Novak, M.D.Brooklyn, NY 112351629309885
  14. Anastasia Novikov, MDJamaica, NY 114321932697455
  15. Alex Novogrudsky, M.D.Great Neck, NY 110231457523615
  16. Charles Noyer, MDWhite Plains, NY 106041407833171
  17. Michel Nussbaum, M.D.Fresh Meadows, NY 113651215917935
  18. Custon Nyabanga, M.D.New York, NY 100031508214552
  19. Rachana Oak, D.O.Brooklyn, NY 112351265842868
  20. Marc Obadia, MDNew York, NY 100161487627824
  21. Barry Obadiah, M.D.Astoria, NY 111051447256508
  22. Fidelis Okoli, M.DBrooklyn, NY 112191649701269
  23. Patrick Okolo, MD MPHRochester, NY 146211003835299
  24. Sidney OlefsonBurnt Hills, NY 120271457798506
  25. Malwina Olendrowicz, NPYonkers, NY 107011013693670
  26. Charles Oliner, MDNew York, NY 100101740449313
  27. Erik Olson, D.O.Rochester, NY 146211235454620
  28. Joshua Olstein, MDNew City, NY 109561346446580
  29. Caterina Oneto Araya, M.D.New York, NY 100161245559764
  30. Inno Onorato, MDBrooklyn, NY 112281629173380
  31. Kohtaro OokaBronx, NY 104611003233966
  32. Amanke Oranu, M.DBinghamton, NY 139031750544425
  33. Murray Orbuch, M.D.New York, NY 100121245266097
  34. Jose Ortiguera, M.D.Great Neck, NY 110211639400377
  35. Steven Orzechowski, RPA-COneida, NY 134211689760035
  36. Arthur Ostrov, M.D.Burnt Hills, NY 120271952305203
  37. Lawrence Ottaviano, M.D.New York, NY 100101538112461
  38. Lorenzo Ottaviano, M.D.New York, NY 100101225448715
  39. David Oustecky, M.D.Nesconset, NY 117671952547945
  40. Lisa Ozick, MDNew Rochelle, NY 108051710083449
  41. Paulo Pacheco, M.D.New York, NY 100221265474431
  42. Padmanabh Paddu, MDWoodside, NY 113771497797708
  43. Albert Pahk, MDFlushing, NY 113551174758429
  44. Sang Pahk, M.D., PH.D.Flushing, NY 113551922152057
  45. Shireen Pais, M.D.Yorktown Heights, NY 105981396709838
  46. Antonio Palagiano, MDBrooklyn, NY 112091144335381
  47. James Palma, M.D.New York, NY 100191821114091
  48. Melissa Palmer, M.D.Plainview, NY 118031548311673
  49. Robert Palmer, M.D.New York, NY 101281851412183
  50. Ron Palmon, M.D.New York, NY 100281831156504

Source: CMS NPPES, primary taxonomy 207RG0100X: records by practice city and the list of records, file of Aug 9, 2026.

New York ranks 4 of 51 per resident

  1. District of Columbia13.1
  2. Massachusetts9.8
  3. Connecticut9.3
  4. New York9.2
  5. Rhode Island8.8
  6. Maryland8.2
  7. 50 states and D.C.6.2

Source: CMS NPPES, primary taxonomy 207RG0100X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

87.8% of these records appear in a Medicare file, against 84.4% 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. New York87.8%
  2. United States84.4%

Gastroenterology Physician records in New York, measured

  • In a Medicare file1,578 of 1,797 · 87.8% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file1,378 · 76.7% here, 73.7% nationally
  • Not updated in five years or more1,166 · 64.9% here, 55.6% nationally
  • Median graduation year1999 · the 1,378 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RG0100X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,797 NPPES records list gastroenterology physician (207RG0100X) as their primary taxonomy with a practice address in New York: 9.2 per 100,000 residents against 6.2 nationally (50 states and D.C.). New York has 500 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. Florida1,513
  2. Texas1,478
  3. California2,140
  4. Pennsylvania1,049

States with a similar rate per 100,000

  1. Connecticut9.3
  2. Rhode Island8.8
  3. Massachusetts9.8
  4. Maryland8.2

The largest states

  1. California2,140
  2. Florida1,513
  3. Texas1,478
  4. Pennsylvania1,049
  5. Illinois887

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.