What is William Griffo's NPI number?

William Griffo's National Provider Identifier (NPI) is 1497894257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Griffo's specialty?

William Griffo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is William Griffo located?

William Griffo's practice location on file with NPPES is 1320 York Ave, New York, NY 10021-4800.

What is William Griffo's phone number?

The practice phone number listed in the NPPES registry for William Griffo is (212) 628-2800.

Is William Griffo's NPI active?

Yes — William Griffo's NPI (1497894257) is active in the NPPES registry as of the last update on 2023-03-07.

IndividualActive

William Griffo, MD

NPI 1497894257 · Internal Medicine Physician · New York, NY

William Griffo, MD is a Internal Medicine Physician provider in New York, NY (NPI 1497894257).

Provider details

NPI number: 1497894257
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: 14712901 (NY)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 14712901 (NY)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1320 York Ave

New York, NY 10021-4800

Phone: (212) 628-2800

Street-level locationGet directions

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Mailing address