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Clinical Psychologist

Michiyo Ambrosius, CP

Sees patients in Walnut Creek, CA · Danville, CA · California

Summary

Michiyo Ambrosius, CP is a clinical psychologist at 1756 Lacassie Ave, Suite 200, Walnut Creek, CA 94596. Phone: (925) 389-8233. Accepts Medicare assignment. NPI 1275681769. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical psychologist
  • Address: 1756 Lacassie Ave, Suite 200, Walnut Creek, CA 94596 · Directions (1 more location)
  • Phone: (925) 389‑8233
  • Medicare: Accepts Medicare assignment
  • School: graduated 2000
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Michiyo Ambrosius, 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 Michiyo Ambrosius accept Medicare assignment?
Yes. Medicare's clinician data says Michiyo Ambrosius 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.
What is Michiyo Ambrosius's NPI number?
1275681769. 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 Michiyo Ambrosius is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other clinicians: Clinical Psychologist, California →

Other clinical psychologists in Walnut Creek

Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.

All clinical psychologists in Walnut Creek →

Clinician information

CredentialCP
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275681769
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. 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