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Clinical Psychologist

Diane L. Dunne

Sees patients in Santa Clara, CA · Los Angeles, CA · California

Summary

Diane L. Dunne is a clinical psychologist at 4633 Old Ironsides Dr, Suite 304, Santa Clara, CA 95054. Phone: (866) 280-0260. Accepts Medicare assignment. In 2024, Diane L. Dunne had 146 Original Medicare patients and 1,088 services. NPI 1699988113. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical psychologist
  • Address: 4633 Old Ironsides Dr, Suite 304, Santa Clara, CA 95054 · Directions (2 more locations)
  • Phone: (866) 280‑0260
  • Medicare: Accepts Medicare assignment
  • Group practice: Sud Specialty Group - Ca (+1 more)
  • School: graduated 1987
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Diane L. Dunne, 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 Diane L. Dunne accept Medicare assignment?
Yes. Medicare's clinician data says Diane L. Dunne 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 Diane L. Dunne see?
In 2024, CMS data shows 146 Original Medicare patients and 1,088 services for Diane L. Dunne. This counts Original Medicare only and measures volume, not quality.
What is Diane L. Dunne's NPI number?
1699988113. 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 Diane L. Dunne, 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 patients146
Services billed to Medicare1,088
Different services or procedures4
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Psychotherapy, 1 hour (90837)968 services
  2. Psychiatric diagnostic evaluation (90791)112 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 cholesterol75%
  • Depression75%
  • Anxiety75%
  • High blood pressure64%
  • Arthritis59%
  • Chronic kidney disease26%

Practice locations

Addresses where Diane L. Dunne is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Diane L. Dunne as a member of these groups (CMS data updated October 2, 2026).

  • Sud Specialty Group - Ca568 clinicians in the group
  • Total Life Ca PC32 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, California →

Other clinical psychologists in Santa Clara

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

All clinical psychologists in Santa Clara →

Other clinicians in Sud Specialty Group - Ca

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

Clinician information

Graduation year1987
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1699988113
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