Frank Castro
NPI 1770039794 · Addiction (Substance Use Disorder) Counselor · Berkeley, CA
Frank Castro is a Addiction (Substance Use Disorder) Counselor provider in Berkeley, CA (NPI 1770039794).
Provider details
- NPI number
- 1770039794
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
9 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
Mailing address
Registry dates
- Enumerated
- 2016-08-30
- Last updated
- 2016-08-30
Frequently asked questions
- What is Frank Castro's NPI number?
- Frank Castro's National Provider Identifier (NPI) is 1770039794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Castro's specialty?
- Frank Castro is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Frank Castro located?
- Frank Castro's practice location on file with NPPES is 1931 Center St, Berkeley, CA 94704-1105.
- What is Frank Castro's phone number?
- The practice phone number listed in the NPPES registry for Frank Castro is (510) 666-9552.
- Is Frank Castro's NPI active?
- Yes — Frank Castro's NPI (1770039794) is active in the NPPES registry as of the last update on 2016-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.