Harriet Williams, L.P.C.
NPI 1871954461 · Professional Counselor · Quartz Hill, CA
Harriet Williams, L.P.C. is a Professional Counselor provider in Quartz Hill, CA (NPI 1871954461).
Provider details
- NPI number
- 1871954461
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- L.P.C.
- Sex
- Female
- Sole proprietor
- No
- License
- 071003093 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-03-10
- Last updated
- 2016-03-10
Frequently asked questions
- What is Harriet Williams's NPI number?
- Harriet Williams's National Provider Identifier (NPI) is 1871954461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harriet Williams's specialty?
- Harriet Williams is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Harriet Williams located?
- Harriet Williams's practice location on file with NPPES is 42205 57th St W, Quartz Hill, CA 93536-3791.
- What is Harriet Williams's phone number?
- The practice phone number listed in the NPPES registry for Harriet Williams is (703) 667-0809.
- Is Harriet Williams's NPI active?
- Yes — Harriet Williams's NPI (1871954461) is active in the NPPES registry as of the last update on 2016-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.