William Bisordi, M.D.
Gastroenterology Physician · Larchmont, NY
William Bisordi, M.D. is a gastroenterology physician with a practice address in Larchmont, New York, and NPI 1710276969, issued on Mar 28, 2011. Check the license (New York 122346, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Bisordi
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 122346 NY
Self-reported in NPPES; status is on the state search - Practice location
- 151 Rockland Ave, Larchmont, NY 10538
- Phone
- (914) 834-8426
- Enumerated
- Mar 28, 2011
- Record last updated
- Sep 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify William Bisordi 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 122346Check 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
13 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.
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
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- Uzma Abbasi, M.D.Oneida, NY1275856106
- Maisa Abdalla, M.D.Rochester, NY1669645222
- Muhammad Abdullah, MDBrooklyn, NY1053312645
- Arthur Abelow, MDBronx, NY1235242728
- Elie Abemayor, M.D.Mount Kisco, NY1376565358
- Jeffrey Abergel, MDCortlandt Manor, NY1649472382
- Chaim Abittan, MDGreat Neck, NY1972512002
Common questions
What is William Bisordi, M.D.'s NPI number?
William Bisordi, M.D.'s National Provider Identifier (NPI) is 1710276969, issued on Mar 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is William Bisordi, M.D. located?
The NPPES record lists a practice address at 151 Rockland Ave, Larchmont, NY, 10538. Phone: (914) 834-8426. Providers update this record themselves, so call before visiting.
How can I verify William Bisordi, M.D.'s license?
NPPES lists New York license number 122346, 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 William Bisordi, M.D. prescribe under Medicare Part D?
In 2024, William Bisordi, M.D. had 13 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.