Anish George Mammen, M.D.
Gastroenterology Physician · New York, NY
Anish George Mammen, M.D. is a gastroenterology physician with a practice address in New York, New York, and NPI 1053574277, issued on Jul 8, 2008. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Anish George Mammen
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD472422 PA
Self-reported in NPPES; status is on the state search - Practice location
- 310 E 24TH St, New York, NY 10010
- Phone
- (617) 513-9508
- Enumerated
- Jul 8, 2008
- Record last updated
- Dec 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201211000580); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 310 E 24TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Nichols, M.D.Student in an Organized Health Care Education/Training Program1831626522
Verify Anish George Mammen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average gastroenterology physician in 2024
851 Medicare Part D claims for 235 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Pantoprazole Sodium342 claims
- Famotidine126 claims
- Omeprazole67 claims
- Linzess29 claims
- Sucralfate25 claims
- Creon23 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 practice group's MIPS final score for 2023 (Medicare payment program): 96.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,247.54
75 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
- Harrisburg Gastroenterology, Ltd.Harrisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anish George Mammen among 1,797 gastroenterology physician records in New York
Anish George Mammen, 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 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 31% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2008 · median 1999 among the 1,378 with a school on file
- Record last updated2020 · 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
- Herbert Dyrszka, M.D.New York, NY 100101104879030
- Michael Eng, M.D.New York, NY 100101710090410
- Fritz Francois, M.D., M.S.New York, NY 100101164516712
- Babak Mohajer, MDNew York, NY 100101003839374
- Lawrence Ottaviano, M.D.New York, NY 100101538112461
- Michael Poles, M.D., PH.D.Ny, NY 100101346280690
- Violeta Popov, MDNew York, NY 100101326011438
- Robert Raicht, M.D.New York, NY 100101407853179
Common questions
What is Anish George Mammen, M.D.'s NPI number?
Anish George Mammen, M.D.'s National Provider Identifier (NPI) is 1053574277, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Anish George Mammen, M.D. located?
The NPPES record lists a practice address at 310 E 24TH St, New York, NY, 10010. Phone: (617) 513-9508. Providers update this record themselves, so call before visiting.
How can I verify Anish George Mammen, M.D.'s license?
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 Anish George Mammen, M.D. prescribe under Medicare Part D?
In 2024, Anish George Mammen, M.D. had 851 Medicare Part D claims for 235 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Anish George Mammen, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.1 of 100, reported for the practice group. 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.