Sandra Williams, APN
NPI 1639380447 · Adult Health Nurse Practitioner · Saint Louis, MO
Sandra Williams, APN is a Adult Health Nurse Practitioner provider in Saint Louis, MO (NPI 1639380447).
Provider details
- NPI number
- 1639380447
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 061769 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-05-24
- Last updated
- 2011-05-12
Frequently asked questions
- What is Sandra Williams's NPI number?
- Sandra Williams's National Provider Identifier (NPI) is 1639380447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Williams's specialty?
- Sandra Williams is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandra Williams located?
- Sandra Williams's practice location on file with NPPES is 12655 Olive Blvd, Saint Louis, MO 63141-6362.
- What is Sandra Williams's phone number?
- The practice phone number listed in the NPPES registry for Sandra Williams is (314) 517-4832.
- Is Sandra Williams's NPI active?
- Yes — Sandra Williams's NPI (1639380447) is active in the NPPES registry as of the last update on 2011-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.