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Marriage and Family Therapist

Jane J. Alfonso

Sees patients in South San Francisco, CA · California

Summary

Jane J. Alfonso (Marriage and Family Therapist) is enrolled with Medicare at 1 practice location in South San Francisco, CA. NPI 1720212384. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jane J. Alfonso, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Marriage and Family TherapistPrimary specialty
YesAccepts Medicare assignment
18Years since medical school (graduated 2008)
FemaleGender (as listed)

Quick answers

Where does Jane J. Alfonso see patients?
Medicare's clinician data lists 1 practice location in South San Francisco, CA. Call before your visit to confirm the address.
What is Jane J. Alfonso's specialty?
Medicare lists Marriage and Family Therapist as the primary specialty.
Does Jane J. Alfonso accept Medicare assignment?
Yes. Medicare's clinician data says Jane J. Alfonso accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jane J. Alfonso?
(415) 806-4253, as listed in official Medicare / NPI Registry data.
What is Jane J. Alfonso's NPI number?
1720212384. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jane J. Alfonso is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Marriage and Family Therapist, California →

Other marriage and family therapists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All marriage and family therapists in California →

Clinician information

Graduation year2008
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720212384
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians