William Griffo, MD
Internal Medicine Physician · New York, NY
William Griffo, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1497894257, issued on Feb 6, 2007. Check the license (New York 14712901, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Griffo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 14712901 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1320 York Ave, New York, NY 10021
- Phone
- (212) 628-2800
- Enumerated
- Feb 6, 2007
- Entity
- Type 1 · individual
Also registered at 1320 York Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Atkinson, M.D.Student in an Organized Health Care Education/Training Program1891073946
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- Murray Engel, MDNeurology Physician1477570356
- Shawn Lamb, IBCLCLactation Consultant (Registered Nurse)1346733409
- Alexander MerklerNeurology Physician1144549882
- Tracy-Ann Moo, M.D.Surgery Physician1023255791
Verify William Griffo 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 14712901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,434 in New York → All 12,067 in New York → Every provider in New York →
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Common questions
What is William Griffo, MD's NPI number?
William Griffo, MD's National Provider Identifier (NPI) is 1497894257, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Griffo, MD located?
The NPPES record lists a practice address at 1320 York Ave, New York, NY, 10021. Phone: (212) 628-2800. Providers update this record themselves, so call before visiting.
How can I verify William Griffo, MD's license?
NPPES lists New York license number 14712901, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.