What is Mark Williams's NPI number?

Mark Williams's National Provider Identifier (NPI) is 1659608594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Williams's specialty?

Mark Williams is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Mark Williams located?

Mark Williams's practice location on file with NPPES is 1620 S Gordon St, Alvin, TX 77511-3460.

What is Mark Williams's phone number?

The practice phone number listed in the NPPES registry for Mark Williams is (281) 585-2404.

Is Mark Williams's NPI active?

Yes — Mark Williams's NPI (1659608594) is active in the NPPES registry as of the last update on 2009-11-13.

IndividualActive

Mark Williams, R.PH.

NPI 1659608594 · Pharmacist · Alvin, TX

Mark Williams, R.PH. is a Pharmacist provider in Alvin, TX (NPI 1659608594).

Provider details

NPI number: 1659608594
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: R.PH.
Sex: Male
Sole proprietor: No
License: 21424 (TX)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 21424 (TX)
Pharmacy Service Providers

Profile Score

Detailed profile(84/100 index)

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

Registry tenure38% of score
16 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

1620 S Gordon St

Alvin, TX 77511-3460

Phone: (281) 585-2404

Street-level locationGet directions

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Mailing address