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Clinical Psychologist

Timothy M. Tisdell, PSY

Sees patients in Oakland, CA · California

Summary

Timothy M. Tisdell, PSY is a clinical psychologist at 5665 College Ave, Suite 220a, Oakland, CA 94618. Phone: (510) 595-5558. Accepts Medicare assignment. NPI 1750588406. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical psychologist
  • Address: 5665 College Ave, Suite 220a, Oakland, CA 94618 · Directions
  • Phone: (510) 595‑5558
  • Medicare: Accepts Medicare assignment
  • School: graduated 2002
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Timothy M. Tisdell, 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 Timothy M. Tisdell accept Medicare assignment?
Yes. Medicare's clinician data says Timothy M. Tisdell 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 Timothy M. Tisdell's NPI number?
1750588406. 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 Timothy M. Tisdell is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other clinicians: Clinical Psychologist, California →

Other clinical psychologists in Oakland

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

All clinical psychologists in Oakland →

Clinician information

CredentialPSY
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1750588406
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