John Tyler Nathanson, M.D.
Gastroenterology Physician · New York, NY
John Tyler Nathanson, M.D. is a gastroenterology physician with a practice address in New York, New York, and NPI 1891226601, issued on Mar 23, 2017. Check the license (New York 321281, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Tyler Nathanson
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 321281 NY
Self-reported in NPPES; status is on the state search - Practice location
- 51 W 51St St, New York, NY 10019
- Phone
- (212) 305-1021
- Enumerated
- Mar 23, 2017
- Record last updated
- May 9, 2023
- Medicare enrollment
- Enrolled (PECOS I20230612002352); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 51 W 51St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anzhelika Babadzhanova, RPHPharmacist1821322975
- Sanam Bamshad Alavi, PH.D.Psychologist1962958058
- Hagit BerdishevskyPhysical Therapist1609292622
- Peter Bergman, LMSWSocial Worker1003216532
- Corey Bradley, M.D.Cardiovascular Disease Physician1568825065
- Sabrina BremFamily Nurse Practitioner1891124327
Verify John Tyler Nathanson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 321281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average gastroenterology physician in 2024
297 Medicare Part D claims for 186 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf134 claims
- Omeprazole44 claims
- Linzess24 claims
- Sutab15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $580.40
25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Tyler Nathanson among 1,797 gastroenterology physician records in New York
John Tyler Nathanson, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 90% of them.
- NPI issued2017 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2017 · median 1999 among the 1,378 with a school on file
- Record last updated2023 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in New York → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- A. Lawrence Attia, MDNew York, NY 100191275575466
- Albert AttiaNew York, NY 100191548275944
- Sophie Balzora, M.D.New York, NY 100191487813994
- Vicenta Caceres, M.D.New York, NY 100191205928603
- Lisa Ganjhu, D.O.New York, NY 100191710970702
- Annetta Kimball, M.D.New York, NY 100191548292139
- Hyman Kirschenbaum, M.D.New York, NY 100191063405900
- Marcel Laufer, MDNew York, NY 100191386791705
Common questions
What is John Tyler Nathanson, M.D.'s NPI number?
John Tyler Nathanson, M.D.'s National Provider Identifier (NPI) is 1891226601, issued on Mar 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John Tyler Nathanson, M.D. located?
The NPPES record lists a practice address at 51 W 51St St, New York, NY, 10019. Phone: (212) 305-1021. Providers update this record themselves, so call before visiting.
How can I verify John Tyler Nathanson, M.D.'s license?
NPPES lists New York license number 321281, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Tyler Nathanson, M.D. prescribe under Medicare Part D?
In 2024, John Tyler Nathanson, M.D. had 297 Medicare Part D claims for 186 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John Tyler Nathanson, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it 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.