Jane Alfonso
NPI 1720212384 · Marriage & Family Therapist · Lafayette, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jane Alfonso is a Marriage & Family Therapist provider in Lafayette, CA (NPI 1720212384).
Provider details
- NPI number
- 1720212384
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
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
17 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
- 2009-05-12
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Jane Alfonso's NPI number?
- Jane Alfonso's National Provider Identifier (NPI) is 1720212384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jane Alfonso's specialty?
- Jane Alfonso is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Jane Alfonso located?
- Jane Alfonso's practice location on file with NPPES is 3470 Mt Diablo Blvd Ste 200, Lafayette, CA 94549-7195.
- What is Jane Alfonso's phone number?
- The practice phone number listed in the NPPES registry for Jane Alfonso is (415) 806-4253.
- Does Jane Alfonso accept Medicare?
- Jane Alfonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jane Alfonso's NPI active?
- Yes — Jane Alfonso's NPI (1720212384) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.