Michael S. Ader, M.D.
Gastroenterology Physician · Bronx, NY
Michael S. Ader, M.D. is a gastroenterology physician with a practice address in Bronx, New York, and NPI 1760477830, issued on Sep 15, 2005. Check the license (New York 147200, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Michael S. Ader
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 147200 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3765 Riverdale Ave, Bronx, NY 10463
- Phone
- (718) 543-3636
- Enumerated
- Sep 15, 2005
- Record last updated
- Sep 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (718) 884-4885
- Medicaid ID
- 01015094 NY
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 3765 Riverdale Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael S. Ader 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 147200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average gastroenterology physician in 2024
177 Medicare Part D claims for 67 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Omeprazole34 claims
- Plenvu26 claims
- Linzess24 claims
- Humira(Cf) Pen15 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.
Industry payments in 2024: $382.72
21 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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.
Michael S. Ader among 1,797 gastroenterology physician records in New York
Michael S. Ader, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2011 · 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 Bronx → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ava AnklesariaBronx, NY 104631467604447
- Jennifer Caceres, MDBronx, NY 104631851684054
- Amnon Gotian, M.D.Bronx, NY 104631841370871
- Isadore Gutwein, M.D.Bronx, NY 104631053306480
- Jeremy Gutwein, MD, MSBronx, NY 104631235279738
- Ian Harnik, M.D.Bronx, NY 104631851506737
- Albert Kramer, M.D.Bronx, NY 104631386735033
- Trikante Rajapaksa, MDBronx, NY 104631770674293
Common questions
What is Michael S. Ader, M.D.'s NPI number?
Michael S. Ader, M.D.'s National Provider Identifier (NPI) is 1760477830, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael S. Ader, M.D. located?
The NPPES record lists a practice address at 3765 Riverdale Ave, Bronx, NY, 10463. Phone: (718) 543-3636. Providers update this record themselves, so call before visiting.
How can I verify Michael S. Ader, M.D.'s license?
NPPES lists New York license number 147200, 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 Michael S. Ader, M.D. prescribe under Medicare Part D?
In 2024, Michael S. Ader, M.D. had 177 Medicare Part D claims for 67 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.