What is Matthew Williams's NPI number?

Matthew Williams's National Provider Identifier (NPI) is 1598414773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Matthew Williams's specialty?

Matthew Williams is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).

Where is Matthew Williams located?

Matthew Williams's practice location on file with NPPES is 1 Gustave L Levy Pl, New York, NY 10029-6504.

What is Matthew Williams's phone number?

The practice phone number listed in the NPPES registry for Matthew Williams is (212) 241-6500.

Is Matthew Williams's NPI active?

Yes — Matthew Williams's NPI (1598414773) is active in the NPPES registry as of the last update on 2026-02-11.

IndividualActive

Matthew Williams

NPI 1598414773 · Anesthesiology Physician · New York, NY

Matthew Williams is a Anesthesiology Physician provider in New York, NY (NPI 1598414773).

Provider details

NPI number: 1598414773
Entity type: Individual
Primary specialty: Anesthesiology PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: 342210 (NY)

Specialties & taxonomies

Anesthesiology PhysicianPrimary207L00000XLicense 342210 (NY)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(61/100 index)

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

Registry tenure38% of score
4 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

1 Gustave L Levy Pl

New York, NY 10029-6504

Phone: (212) 241-6500

Street-level locationGet directions

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Mailing address