What is Charles Washington's NPI number?

Charles Washington's National Provider Identifier (NPI) is 1538465042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Charles Washington's specialty?

Charles Washington is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is Charles Washington located?

Charles Washington's practice location on file with NPPES is 1410 Bonita Ave, Berkeley, CA 94709-1909.

What is Charles Washington's phone number?

The practice phone number listed in the NPPES registry for Charles Washington is (510) 526-4765.

Is Charles Washington's NPI active?

Yes — Charles Washington's NPI (1538465042) is active in the NPPES registry as of the last update on 2026-05-14.

IndividualActive

Charles Washington, ACSW

NPI 1538465042 · Rehabilitation Practitioner · Berkeley, CA

Charles Washington, ACSW is a Rehabilitation Practitioner provider in Berkeley, CA (NPI 1538465042).

Provider details

NPI number: 1538465042
Entity type: Individual
Primary specialty: Rehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Credential: ACSW
Sex: Male
Sole proprietor: No
License: 109403 (CA)

Specialties & taxonomies

Rehabilitation PractitionerPrimary225400000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Clinical Social Worker1041C0700XLicense 109403 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
15 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 documented practice locations

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

1410 Bonita Ave

Berkeley, CA 94709-1909

Phone: (510) 526-4765

Fax: (510) 647-9408

Street-level locationGet directions

More CA providers

Mailing address

150 Grand Ave Fl 2

Oakland, CA 94612-3781

Additional practice locations (2)

1005 Atlantic Ave
Alameda, CA 94501-1148
Phone: (510) 977-2852
Fax: (510) 977-2852
400 29th St Ste 306
Oakland, CA 94609-3548
Phone: (510) 504-0257

Enumerated: 2011-01-31
Last updated: 2026-05-14
Certified: 2026-05-14

Frequently asked questions

What is Charles Washington's NPI number?: Charles Washington's National Provider Identifier (NPI) is 1538465042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Charles Washington's specialty?: Charles Washington is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is Charles Washington located?: Charles Washington's practice location on file with NPPES is 1410 Bonita Ave, Berkeley, CA 94709-1909.
What is Charles Washington's phone number?: The practice phone number listed in the NPPES registry for Charles Washington is (510) 526-4765.
Is Charles Washington's NPI active?: Yes — Charles Washington's NPI (1538465042) is active in the NPPES registry as of the last update on 2026-05-14.

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