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Clinical Psychologist

Mark Ryan, PSY

Sees patients in San Mateo, CA · California

Summary

Mark Ryan, PSY (Clinical Psychologist) is enrolled with Medicare at 1 practice location in San Mateo, CA. NPI 1568709475. 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 Mark Ryan, 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

Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
9Years since medical school (graduated 2017)
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Mark Ryan see patients?
Medicare's clinician data lists 1 practice location in San Mateo, CA. Call before your visit to confirm the address.
What is Mark Ryan's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does Mark Ryan accept Medicare assignment?
Yes. Medicare's clinician data says Mark Ryan 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 Mark Ryan?
(650) 627-1700, as listed in official Medicare / NPI Registry data.
What is Mark Ryan's NPI number?
1568709475. 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 Mark Ryan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark Ryan as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, California →

Other clinical psychologists in San Mateo

Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.

All clinical psychologists in San Mateo →

Clinician information

CredentialPSY
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568709475
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