Alexa Marie Giammarino, MD
Gastroenterology Physician · Manhasset, NY
Alexa Marie Giammarino, MD is a gastroenterology physician with a practice address in Manhasset, New York, and NPI 1962039495, issued on Mar 25, 2020. Check the license (New York 322707-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Alexa Marie Giammarino
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 322707-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 300 Community Dr, Manhasset, NY 11030
- Phone
- (516) 562-0100
- Enumerated
- Mar 25, 2020
- Record last updated
- Jul 27, 2026
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 300 Community Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Abbondondolo, PAReligious Nonmedical Nursing Personnel1154441186
- Mahmoud AbdelazizInternal Medicine Physician1750814562
- Fatima AbidPhysician Assistant1215669346
- Ahmed AboseriaStudent in an Organized Health Care Education/Training Program1114777067
- Nikil Abraham, CRNACertified Registered Nurse Anesthetist1962180455
- Rolson Abraham, RPHPharmacist1346673209
Verify Alexa Marie Giammarino 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 322707-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
15 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Alexa Marie Giammarino among 1,797 gastroenterology physician records in New York
Alexa Marie Giammarino, MD 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 2020, is newer than 98% of them.
- NPI issued2020 · 98% of these records are older, 2% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2026 · 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 Manhasset → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Joshua Berkowitz, M.D.Manhasset, NY 110301811316771
- Bethany Devito, MDManhasset, NY 110301790845840
- Jose Hernandez Roman, MDManhasset, NY 110301033666425
- Chun Kit Hung, MDManhasset, NY 110301457676090
- Edna Khodadadian, MDManhasset, NY 110301124198569
- Christian Kuntzen, M.D.Manhasset, NY 110301376824516
- Cindy Law, MDManhasset, NY 110301356705800
- Calvin Lee, M.D.Manhasset, NY 110301871650440
Common questions
What is Alexa Marie Giammarino, MD's NPI number?
Alexa Marie Giammarino, MD's National Provider Identifier (NPI) is 1962039495, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alexa Marie Giammarino, MD located?
The NPPES record lists a practice address at 300 Community Dr, Manhasset, NY, 11030. Phone: (516) 562-0100. Providers update this record themselves, so call before visiting.
How can I verify Alexa Marie Giammarino, MD's license?
NPPES lists New York license number 322707-01, 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 Alexa Marie Giammarino, MD prescribe under Medicare Part D?
In 2024, Alexa Marie Giammarino, MD had 15 Medicare Part D claims; 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.