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Clinical Psychologist

Theresa M. Quinn

Sees patients in San Luis Obispo, CA · California

Summary

Theresa M. Quinn is a clinical psychologist at 555 Chorro St, Suite A2, San Luis Obispo, CA 93405. Phone: (805) 541-0203. Accepts Medicare assignment. In 2024, Theresa M. Quinn had 35 Original Medicare patients and 503 services. NPI 1396864088. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical psychologist
  • Address: 555 Chorro St, Suite A2, San Luis Obispo, CA 93405 · Directions
  • Phone: (805) 541‑0203
  • Medicare: Accepts Medicare assignment
  • School: graduated 1984
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Theresa M. Quinn, 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 Theresa M. Quinn accept Medicare assignment?
Yes. Medicare's clinician data says Theresa M. Quinn 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 Theresa M. Quinn see?
In 2024, CMS data shows 35 Original Medicare patients and 503 services for Theresa M. Quinn. This counts Original Medicare only and measures volume, not quality.
What is Theresa M. Quinn's NPI number?
1396864088. 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 Theresa M. Quinn, 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 patients35
Services billed to Medicare503
Different services or procedures3
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Psychotherapy, 1 hour (90837)474 services
  2. Psychiatric diagnostic evaluation (90791)27 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).

  • Depression74%
  • High cholesterol69%
  • Anxiety66%
  • High blood pressure54%
  • Arthritis49%
  • Osteoporosis34%

Practice locations

Addresses where Theresa M. Quinn is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other clinicians: Clinical Psychologist, California →

Other clinical psychologists in San Luis Obispo

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

All clinical psychologists in San Luis Obispo →

Clinician information

Graduation year1984
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1396864088
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