Ernan Alfaro
NPI 1922533777 · Clinical Social Worker · San Francisco, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernan Alfaro is a Clinical Social Worker provider in San Francisco, CA (NPI 1922533777).
Provider details
- NPI number
- 1922533777
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 77870 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
- 2017-04-28
- Last updated
- 2021-08-18
- Certified
- 2021-08-18
Frequently asked questions
- What is Ernan Alfaro's NPI number?
- Ernan Alfaro's National Provider Identifier (NPI) is 1922533777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernan Alfaro's specialty?
- Ernan Alfaro is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Ernan Alfaro located?
- Ernan Alfaro's practice location on file with NPPES is 982 Mission St, San Francisco, CA 94103.
- What is Ernan Alfaro's phone number?
- The practice phone number listed in the NPPES registry for Ernan Alfaro is (510) 926-5067.
- Does Ernan Alfaro accept Medicare?
- Ernan Alfaro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernan Alfaro's NPI active?
- Yes — Ernan Alfaro's NPI (1922533777) is active in the NPPES registry as of the last update on 2021-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.