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 6 of 15.

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

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

New Brunswick has the most, 21

  1. New Brunswick21
  2. Mount Laurel20
  3. Hackensack19
  4. Newark19
  5. Toms River19

Gastroenterology Physician records in New Jersey

  1. John Green, M.D.Springfield, NJ 070811114072444
  2. Jon Green, M.D.West Orange, NJ 070521245283563
  3. Alexandra Greenberg, D.O.Brick, NJ 087241063852101
  4. Robert Greenblatt, M.D.Union, NJ 070831861580433
  5. Joshua Greenspan, MDParamus, NJ 076521215978861
  6. Cynthia Griech-McCleery, MDMount Laurel, NJ 080541952401630
  7. Louis GriffelNew Brunswick, NJ 089011902976582
  8. Steven Gronowitz, M.D.Clifton, NJ 070131093772030
  9. Frederic Gross, MDOakhurst, NJ 077551760453658
  10. Matthew Grossman, M.D.Morristown, NJ 079601063618908
  11. Kunal Grover, MDUnion, NJ 070831346445574
  12. Firpo Guerrero, M.D.Newark, NJ 071051518973742
  13. Srilaxmi Gujjula, MDCape May Court House, NJ 082101750876553
  14. Ashok GuptaClifton, NJ 070131205846904
  15. Kunal Gupta, M.D.,,M.B.AFreehold, NJ 077281023256567
  16. Rajendra Gupta, MDTrenton, NJ 086181124035886
  17. Ramesh Gupta, M.D.Fair Lawn, NJ 074101205813391
  18. Howard Guss, D.O.Ocean, NJ 077121831162403
  19. Saad Habba, MDSummit, NJ 079011649270976
  20. John Hahn, M.D.Bayonne, NJ 070021538272091
  21. Kaveh Hajifathalian, M.D.Newark, NJ 071031639599673
  22. Riyadh Hammod, MDVineland, NJ 083601568556512
  23. Howard Hampel, MD, PHDRed Bank, NJ 077011700825635
  24. Dennis Han, M.D.Florham Park, NJ 079321881956050
  25. Eugene HanEnglewood, NJ 076311164780797
  26. Jeffrey Hartford, M.D.Flemington, NJ 088221043238439
  27. M Arif Hashmi, M.D.Haddon Heights, NJ 080351497743975
  28. Homayoon Hatefi, MDRidgewood, NJ 074501285695015
  29. Peter Heit, M.D.Denville, NJ 078341912952763
  30. Gregory Heyt, M.D.Red Bank, NJ 077011861496572
  31. Paul Hiley, MDJackson, NJ 085271336145176
  32. Henry Ho, M.D.Mount Laurel, NJ 080541841412624
  33. Steven Hodes, MDEdison, NJ 088371578561759
  34. Abraham Horn, D.O.Marlton, NJ 080531053371815
  35. Jennifer Hsieh, M.D.Ridgewood, NJ 074501629357835
  36. Stanley Hsu, M.D.Princeton, NJ 085401992939235
  37. Kenny Hui, M.D.Brick, NJ 087241588637540
  38. Piotr Huskowski, MDClifton, NJ 070131710932959
  39. John Imbesi, M.D.Glen Ridge, NJ 070281487654349
  40. Anthony Infantolino, M.D.Mount Laurel, NJ 080541164481032
  41. Surya Irakam, MDManahawkin, NJ 080501114971397
  42. Jane Jaffe, D.O.Medford, NJ 080551144485152
  43. Vishal Jain, MDNew Brunswick, NJ 089011710185467
  44. Sujai Jalaj, M.D.Somers Point, NJ 082441629204771
  45. Niraj Jani, MDAtlantic City, NJ 084011386673671
  46. Niren Jasutkar, M.D.Maywood, NJ 076071134447493
  47. Samuel JoNew Brunswick, NJ 089011184185035
  48. Andrew Joelson, MDGlen Ridge, NJ 070281770945941
  49. Elizabeth John, M.D.Montville, NJ 070451346794815
  50. Krysta Johns-Keating, MD/MPHCherry Hill, NJ 080031699017848

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.