What is Heather Williams's NPI number?

Heather Williams's National Provider Identifier (NPI) is 1871077057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Heather Williams's specialty?

Heather Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Heather Williams located?

Heather Williams's practice location on file with NPPES is Po Box 2886, Wrightwood, CA 92397-2886.

What is Heather Williams's phone number?

The practice phone number listed in the NPPES registry for Heather Williams is (909) 815-5961.

Is Heather Williams's NPI active?

Yes — Heather Williams's NPI (1871077057) is active in the NPPES registry as of the last update on 2025-08-15.

IndividualActive

Heather Williams, CADC - III

NPI 1871077057 · Mental Health Counselor · Wrightwood, CA

Heather Williams, CADC - III is a Mental Health Counselor provider in Wrightwood, CA (NPI 1871077057).

Provider details

NPI number: 1871077057
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: CADC - III
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense 18314 (CA)
Behavioral Health & Social Service Providers
Addiction (Substance Use Disorder) Counselor101YA0400X
Behavioral Health & Social Service Providers
Case Manager/Care Coordinator171M00000X
Other Service Providers
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Established profile(61/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
7 yrs in NPPES 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

Po Box 2886

Wrightwood, CA 92397-2886

Phone: (909) 815-5961

Approximate (ZIP-level) locationGet directions

More CA providers

Mailing address

350 7th Ave Rm 1100

New York, NY 10001-1987

Enumerated: 2018-09-24
Last updated: 2025-08-15
Certified: 2025-08-15

Frequently asked questions

What is Heather Williams's NPI number?: Heather Williams's National Provider Identifier (NPI) is 1871077057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Heather Williams's specialty?: Heather Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
Where is Heather Williams located?: Heather Williams's practice location on file with NPPES is Po Box 2886, Wrightwood, CA 92397-2886.
What is Heather Williams's phone number?: The practice phone number listed in the NPPES registry for Heather Williams is (909) 815-5961.
Is Heather Williams's NPI active?: Yes — Heather Williams's NPI (1871077057) is active in the NPPES registry as of the last update on 2025-08-15.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.