NPPES file of Aug 9, 2026

Gastroenterology Physician in New Jersey

735 NPPES records list gastroenterology physician with a practice address in New Jersey, 7.9 per 100,000 residents, the 9th highest rate of 51. New Brunswick and Mount Laurel have the most; each record links to the provider's NPI and the New Jersey license search. Page 15 of 15.

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

New Brunswick has the most, 21

Gastroenterology Physician records in New Jersey

  1. Michael Viksjo, MDUnion, NJ 070831508028770
  2. Ariy Volfson, M.D.Woodland Park, NJ 074241306008446
  3. Yuri Volk, M.D.Manalapan, NJ 077261265562862
  4. Sima Vossough, M.D.East Orange, NJ 070181861415911
  5. Carl Wallach, M.D.Morristown, NJ 079601962593947
  6. Richard Walters, DOTurnersville, NJ 080121982856928
  7. Weizheng Wang, M.D.Newark, NJ 071031952491854
  8. Yize Wang, M.D.Mount Laurel, NJ 080541053576207
  9. Charudatta Wankhade, MDNeptune, NJ 077531104202175
  10. Seth Webber, M.D.Woodbridge, NJ 070951982675153
  11. Jonathan Weinberger, M.D.Hackensack, NJ 076011851735419
  12. Douglas Weine, M.D.Red Bank, NJ 077011336307305
  13. Douglas Weinstein, MDNeptune, NJ 077531639389315
  14. Leslie Weinstein, M.D.Hackensack, NJ 076011306928510
  15. Paul Weissman, MDJersey City, NJ 073021063478469
  16. Warren Werbitt, DO, MDCherry Hill, NJ 080031275595035
  17. David Wexler, MD FACG AGAFClark, NJ 070661386637254
  18. Frederic Wien, MDNeptune, NJ 077531639141054
  19. Robert Wiesen, MDSomerville, NJ 088761437103678
  20. Stephen Willis, MDPhillipsburg, NJ 088651629139076
  21. Neal Winzelberg, MDBrick, NJ 087241689764466
  22. Marc Wolfman, MDEdison, NJ 088371174521355
  23. Vincent WongWest Orange, NJ 070521679032551
  24. Joseph Wooten, MDVoorhees, NJ 080431144726712
  25. Bingru Xie, MDMetuchen, NJ 088401487802690
  26. Vinay Yalamanchi, DOBridgewater, NJ 088071538503271
  27. Grace Yang, M.D.Secaucus, NJ 070941083000962
  28. Ari YoungSummit, NJ 079011609220763
  29. Zafar Zamir, M.D.Hamilton, NJ 086901336123058
  30. Joseph Zangara, M.D.Wayne, NJ 074701447240254
  31. Stacey Zavala, MDMarlton, NJ 080531144433673
  32. Jay Zelinski, D.O.Toms River, NJ 087551184806309
  33. Kenneth Zierer, M.D.Rutherford, NJ 070701417978883
  34. Barry Zingler, M.D.Englewood Cliffs, NJ 076321508808601
  35. Ira Zucker, M.D.Emerson, NJ 076301730160870

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

New Jersey ranks 9 of 51 per resident

  1. Maryland8.2
  2. Pennsylvania8.1
  3. Minnesota8.0
  4. New Jersey7.9
  5. New Hampshire7.8
  6. Illinois7.1
  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.

89.0% 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 Jersey89.0%
  2. United States84.4%

Gastroenterology Physician records in New Jersey, measured

  • In a Medicare file654 of 735 · 89.0% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file564 · 76.7% here, 73.7% nationally
  • Not updated in five years or more394 · 53.6% here, 55.6% nationally
  • Median graduation year2000 · the 564 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

735 NPPES records list gastroenterology physician (207RG0100X) as their primary taxonomy with a practice address in New Jersey: 7.9 per 100,000 residents against 6.2 nationally (50 states and D.C.). New Brunswick has 21 of them (3%).

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. Ohio741
  2. Massachusetts686
  3. North Carolina681
  4. Illinois887

States with a similar rate per 100,000

  1. Minnesota8.0
  2. New Hampshire7.8
  3. Pennsylvania8.1
  4. Maryland8.2

The largest states

  1. California2,140
  2. New York1,797
  3. Florida1,513
  4. Texas1,478
  5. Pennsylvania1,049

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.