Michael Ashamalla
Gastroenterology Physician · Syosset, NY
Michael Ashamalla is a gastroenterology physician with a practice address in Syosset, New York, and NPI 1427589423, issued on Mar 22, 2017. Check the license (New York 304554, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Michael Ashamalla
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 304554 NY
Self-reported in NPPES; status is on the state search - Practice location
- 121 Eileen Way, Syosset, NY 11791
- Phone
- (516) 584-6400
- Enumerated
- Mar 22, 2017
- Record last updated
- Mar 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20200714002889); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2017
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 121 Eileen Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Turkan Aydagul, PTPhysical Therapist1639162928
- Joseph Bax, D.O.Pain Medicine (Physical Medicine & Rehabilitation) Physician1750417283
- Phillip Fyman, MDInterventional Pain Medicine Physician1528050051
- Alaina GrazianoPhysician Assistant1376271973
- Louis Malesardi, PAPhysician Assistant1760474282
- Joana Von Der Linn, FNPFamily Nurse Practitioner1861165136
Verify Michael Ashamalla 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 304554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average gastroenterology physician in 2024
88 Medicare Part D claims for 46 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Omeprazole27 claims
- Clenpiq11 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: $1,406.92
36 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
- Long Island Medical PCForest Hills, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Ashamalla among 1,797 gastroenterology physician records in New York
Michael Ashamalla 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 updated2025 · 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 Syosset → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Karl Friedman, MDSyosset, NY 117911467566422
- Soren Gandhi, M.D.Syosset, NY 117911023305281
- Alan Harris, M.D.Syosset, NY 117911821026006
- Jaydeep Kadam, M.D.Syosset, NY 117911023254612
- Sandra Layne, M.D.Syosset, NY 117911891878419
- Joseph Lazar, MDSyosset, NY 117911881784239
- Arthur Lowy, M.D.Syosset, NY 117911396707931
- Faisal Sheikh, D.O.Syosset, NY 117911114188000
Common questions
What is Michael Ashamalla's NPI number?
Michael Ashamalla's National Provider Identifier (NPI) is 1427589423, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Michael Ashamalla located?
The NPPES record lists a practice address at 121 Eileen Way, Syosset, NY, 11791. Phone: (516) 584-6400. Providers update this record themselves, so call before visiting.
How can I verify Michael Ashamalla's license?
NPPES lists New York license number 304554, 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 Ashamalla prescribe under Medicare Part D?
In 2024, Michael Ashamalla had 88 Medicare Part D claims for 46 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.