Leonard Giambalvo, MD
Anesthesiology Physician · Huntington, NY
Leonard Giambalvo, MD is an anesthesiology physician with a practice address in Huntington, New York, and NPI 1043207699, issued on Sep 29, 2005. Check the license (New York 145341, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Leonard Giambalvo
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 145341 NY
Self-reported in NPPES; status is on the state search - Practice location
- 270 Park Ave, Huntington, NY 11743
- Phone
- (631) 351-2785
- Enumerated
- Sep 29, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00675663 NY
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 5,062 in New York → Look up another NPI →
Also registered at 270 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leonard Giambalvo 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 145341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average anesthesiology physician in 2024
80 Medicare Part D claims, against an average of 402 among the 4,319 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.
Leonard Giambalvo among 5,062 anesthesiology physician records in New York
Leonard Giambalvo, MD is one of 5,062 anesthesiology physician records with a practice address in New York. 77% 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, 84% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 anesthesiology physician records list a practice address in Huntington
They are 35 of the 1,923 NPPES records with a practice address in Huntington, and 5,062 anesthesiology physician records in New York.
All 5,062 in New York → Every provider in Huntington → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Tammy Chung, D.O.Huntington, NY 117431730185653
- Gailan Feeney, D.O.Huntington, NY 117431699771535
- Floyd Forbes, MDHuntington, NY 117431285635441
- Robert Herenstein, M.D.Huntington, NY 117431932105871
- Roman Lorin, M.DHuntington, NY 117431518962737
- Joseph Mancini, M.D.Huntington, NY 117431831195775
- Saad Marghoob, M.D.Huntington, NY 117431992701841
- Harvey Nitzky, M.D.Huntington, NY 117431780781666
Common questions
What is Leonard Giambalvo, MD's NPI number?
Leonard Giambalvo, MD's National Provider Identifier (NPI) is 1043207699, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Giambalvo, MD located?
The NPPES record lists a practice address at 270 Park Ave, Huntington, NY, 11743. Phone: (631) 351-2785. Providers update this record themselves, so call before visiting.
How can I verify Leonard Giambalvo, MD's license?
NPPES lists New York license number 145341, 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 Leonard Giambalvo, MD prescribe under Medicare Part D?
In 2024, Leonard Giambalvo, MD had 80 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.