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Marriage and Family Therapist

Cheryl J. Chin

Sees patients in Castro Valley, CA · Fremont, CA · California

Summary

Cheryl J. Chin is a marriage and family therapist at 20101 Lake Chabot Rd, Castro Valley, CA 94546. Phone: (510) 886-3400. Accepts Medicare assignment. In 2024, Cheryl J. Chin had 48 Original Medicare patients and 99 services. NPI 1104099928. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Marriage and family therapist
  • Address: 20101 Lake Chabot Rd, Castro Valley, CA 94546 · Directions (2 more locations)
  • Phone: (510) 886‑3400
  • Medicare: Accepts Medicare assignment
  • Group practice: Sutter Bay Medical Foundation
  • School: graduated 2003
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Cheryl J. Chin, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Cheryl J. Chin accept Medicare assignment?
Yes. Medicare's clinician data says Cheryl J. Chin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Cheryl J. Chin see?
In 2024, CMS data shows 48 Original Medicare patients and 99 services for Cheryl J. Chin. This counts Original Medicare only and measures volume, not quality.
What is Cheryl J. Chin's NPI number?
1104099928. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Cheryl J. Chin, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients48
Services billed to Medicare99
Different services or procedures7
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Psychiatric diagnostic evaluation (90791)46 services
  2. Psychotherapy, 1 hour (90837)46 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol71%
  • Arthritis69%
  • High blood pressure58%
  • Anxiety54%
  • Depression44%
  • Chronic kidney disease27%

Practice locations

Addresses where Cheryl J. Chin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cheryl J. Chin as a member of this group (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

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 →

Other clinicians in Sutter Bay Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104099928
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians