NPPES file of Aug 9, 2026

Hematology (Internal Medicine) Physician in New York

161 NPPES records list hematology (internal medicine) physician with a practice address in New York, 0.8 per 100,000 residents, the 5th highest rate of 48. New York and Rochester have the most; each record links to the provider's NPI and the New York license search. Page 3 of 4.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0000X · method

New York has the most, 83

Hematology (Internal Medicine) Physician records in New York

  1. Peter Maslak, MDBuffalo, NY 142631265403067
  2. Michael Mauro, MDNew York, NY 100651609884188
  3. Jason Mendler, MD, PHDRochester, NY 146421932211620
  4. Abraham Mittelman, MDPurchase, NY 105771013980903
  5. Thomas Muhlfelder, M.D.Bronx, NY 104681134224132
  6. Deborah Mulford, MDRochester, NY 146421649204777
  7. Pawel Muranski, M.D.New York, NY 100321740643956
  8. Hina Naqvi, MDNew Hyde Park, NY 110421619140365
  9. Karthik Nath, MDNew York, NY 100651962166140
  10. Daniel Nathan, MDNew York, NY 100291669976411
  11. Leonard Naymagon, MDNew York, NY 100291952712234
  12. John Nelson, M.D.Hawthorne, NY 105321790748192
  13. Alex NiuBuffalo, NY 142631083020440
  14. Ariela Noy, MDNew York, NY 100211154392140
  15. Kristen O'Dwyer, M.D.Rochester, NY 146421417286501
  16. Allyson Ocean, MDNew York, NY 100211366530636
  17. Arthur Ossias, MDNew York, NY 101281518974930
  18. Marcia Paddock, MD, PHDNew York, NY 100211114283785
  19. Esperanza Papadopoulos, MDNew York, NY 100211851362685
  20. Dimitrios Papaioannou, MDNew York, NY 100161083119747
  21. Donald Pasquale, M.D.Albany, NY 122081104857564
  22. Gordon Phillips, MDRochester, NY 146421548288210
  23. Sara Piccinelli, MD, PHDNew York, NY 100211265356976
  24. Galia Pollock, MDNew York, NY 100291447976162
  25. Elizabeta Popa, MDNew York, NY 100211104845205
  26. Andrea Popescu-Martinez, MDNew York, NY 100161689741167
  27. Sandeep Raj, MDNew York, NY 100651194258111
  28. Alan Rauch, M.D.Albany, NY 122081356338917
  29. Robert Reiss, M.D.New York, NY 100211285788513
  30. Ran Reshef, MDNew York, NY 100321568659431
  31. Todd Rosenblat, M.D.New York, NY 100321053552943
  32. Marissa Rybstein, M.D.New York, NY 100211447593132
  33. Daniel SammartinoWhite Plains, NY 106011184923898
  34. Ahmed Sawas, M.D.New York, NY 100321134379043
  35. Ariel SchaapNew York, NY 100211588196034
  36. Zwi Schreiber, MDBronx, NY 104571598838393
  37. Joel Schwartz, MDBrooklyn, NY 112031770558736
  38. Sandra Scroggins, M.D.Cohoes, NY 120471366439937
  39. Ronald Sham, M.D.Rochester, NY 146211235178500
  40. Lucy Sourial, MDNew York, NY 100101255306403
  41. Michael Stemerman, MDBronx, NY 104611780781518
  42. David Straus, MDNew York, NY 100211285605998
  43. Amy Sun, M.D.-PH.D.Brooklyn, NY 112201114452265
  44. Suchitra Sundaram, M.D.New York, NY 100291083979983
  45. Ira Sussman, MDBronx, NY 104671205911088
  46. Lena Tabor-FurmarkNew York, NY 100321609031541
  47. Edwin Taft, M.D.Albany, NY 122081023005527
  48. Kenichi Takeshita, M.D.New York, NY 101281457680720
  49. Robert Taub, M.D.New York, NY 100321871670182
  50. Douglas Tremblay, M.D.New York, NY 100291972921807

Source: CMS NPPES, primary taxonomy 207RH0000X: records by practice city and the list of records, file of Aug 9, 2026.

New York ranks 5 of 48 per resident

  1. Massachusetts1.7
  2. District of Columbia1.2
  3. Vermont0.9
  4. New York0.8
  5. Delaware0.8
  6. Ohio0.8
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207RH0000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

72.7% of these records appear in a Medicare file, against 80.5% 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. New York72.7%
  2. United States80.5%

Hematology (Internal Medicine) Physician records in New York, measured

  • In a Medicare file117 of 161 · 72.7% here, 80.5% nationally
  • In the CMS Doctors and Clinicians file93 · 57.8% here, 70.8% nationally
  • Not updated in five years or more99 · 61.5% here, 46.9% nationally
  • Median graduation year2001 · the 92 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

161 NPPES records list hematology (internal medicine) physician (207RH0000X) as their primary taxonomy with a practice address in New York: 0.8 per 100,000 residents against 0.4 nationally (50 states and D.C.). New York has 83 of them (52%).

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. California175
  2. Minnesota128
  3. Massachusetts117
  4. Ohio89

States with a similar rate per 100,000

  1. Oregon0.7
  2. North Carolina0.7
  3. Connecticut0.6
  4. Michigan0.6

The largest states

  1. California175
  2. Minnesota128
  3. Massachusetts117
  4. Ohio89
  5. Texas73

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.