IndividualActive
Deirdre Williams
NPI 1770455446 · Counselor · Pittsburg, CA
Deirdre Williams is a Counselor provider in Pittsburg, CA (NPI 1770455446).
Provider details
- NPI number
- 1770455446
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
333 Yosemite Dr
Pittsburg, CA 94565-5242
Phone: (925) 473-2380
Street-level locationGet directions
Mailing address
333 Yosemite Dr
Pittsburg, CA 94565-5242
Registry dates
- Enumerated
- 2025-09-22
- Last updated
- 2025-09-22
- Certified
- 2025-09-22
Frequently asked questions
- What is Deirdre Williams's NPI number?
- Deirdre Williams's National Provider Identifier (NPI) is 1770455446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deirdre Williams's specialty?
- Deirdre Williams is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Deirdre Williams located?
- Deirdre Williams's practice location on file with NPPES is 333 Yosemite Dr, Pittsburg, CA 94565-5242.
- What is Deirdre Williams's phone number?
- The practice phone number listed in the NPPES registry for Deirdre Williams is (925) 473-2380.
- Is Deirdre Williams's NPI active?
- Yes — Deirdre Williams's NPI (1770455446) is active in the NPPES registry as of the last update on 2025-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.