Mary Black-Williams, NP
NPI 1114013026 · Women's Health Nurse Practitioner · Montclair, CA
Mary Black-Williams, NP is a Women's Health Nurse Practitioner provider in Montclair, CA (NPI 1114013026).
Provider details
- NPI number
- 1114013026
- Entity type
- Individual
- Primary specialty
- Women's Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 231324 (CA)
Specialties & taxonomies
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
- 2006-10-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Black-Williams's NPI number?
- Mary Black-Williams's National Provider Identifier (NPI) is 1114013026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Black-Williams's specialty?
- Mary Black-Williams is listed in the NPPES registry with a primary specialty of Women's Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Black-Williams located?
- Mary Black-Williams's practice location on file with NPPES is 5050 San Bernardino St, Montclair, CA 91763-2326.
- What is Mary Black-Williams's phone number?
- The practice phone number listed in the NPPES registry for Mary Black-Williams is (909) 626-2463.
- Is Mary Black-Williams's NPI active?
- Yes — Mary Black-Williams's NPI (1114013026) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.