What is Michael Williams's NPI number?

Michael Williams's National Provider Identifier (NPI) is 1891505160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Williams's specialty?

Michael Williams is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Michael Williams located?

Michael Williams's practice location on file with NPPES is 7400 Merton Minter St, San Antonio, TX 78229-4404.

What is Michael Williams's phone number?

The practice phone number listed in the NPPES registry for Michael Williams is (210) 517-6300.

Is Michael Williams's NPI active?

Yes — Michael Williams's NPI (1891505160) is active in the NPPES registry as of the last update on 2025-01-09.

IndividualActive

Michael Williams

NPI 1891505160 · Registered Nurse · San Antonio, TX

Michael Williams is a Registered Nurse provider in San Antonio, TX (NPI 1891505160).

Provider details

NPI number: 1891505160
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Male
Sole proprietor: No
License: 749362 (TX)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 749362 (TX)
Nursing Service Providers

Profile Score

Established profile(55/100 index)

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

Registry tenure38% of score
1 yr 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

7400 Merton Minter St

San Antonio, TX 78229-4404

Phone: (210) 517-6300

Street-level locationGet directions

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Mailing address