IndividualActive
Houston Williams, PHARMD
NPI 1811613458 · Pharmacist · San Francisco, CA
Houston Williams, PHARMD is a Pharmacist provider in San Francisco, CA (NPI 1811613458).
Provider details
- NPI number
- 1811613458
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- No
- License
- P10322 (ID)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
3490 California St Ste 200
San Francisco, CA 94118-1892
Phone: (415) 514-6200
Street-level locationGet directions
Mailing address
713 Lyon St
San Francisco, CA 94115-4365
Registry dates
- Enumerated
- 2022-10-17
- Last updated
- 2024-09-06
- Certified
- 2024-09-06
Frequently asked questions
- What is Houston Williams's NPI number?
- Houston Williams's National Provider Identifier (NPI) is 1811613458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Houston Williams's specialty?
- Houston Williams is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Houston Williams located?
- Houston Williams's practice location on file with NPPES is 3490 California St Ste 200, San Francisco, CA 94118-1892.
- What is Houston Williams's phone number?
- The practice phone number listed in the NPPES registry for Houston Williams is (415) 514-6200.
- Is Houston Williams's NPI active?
- Yes — Houston Williams's NPI (1811613458) is active in the NPPES registry as of the last update on 2024-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.