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General Practice

Thomas D. Biddison, MD

Sees patients in Los Angeles, CA · California

Summary

Thomas D. Biddison, MD (General Practice) is enrolled with Medicare at 1 practice location in Los Angeles, CA. NPI 1669402327. 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 Thomas D. Biddison, 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

General PracticePrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
Un Of California, Irvine, College Of MedicineMedical school
MaleGender (as listed)
Los Angeles LGBT CenterGroup practice

Quick answers

Where does Thomas D. Biddison see patients?
Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
What is Thomas D. Biddison's specialty?
Medicare lists General Practice as the primary specialty, and also Family Practice.
Does Thomas D. Biddison accept Medicare assignment?
Yes. Medicare's clinician data says Thomas D. Biddison 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 Thomas D. Biddison?
(323) 993-7400, as listed in official Medicare / NPI Registry data.
What is Thomas D. Biddison's NPI number?
1669402327. 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 Thomas D. Biddison is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas D. Biddison as a member of this group (CMS data updated 2026-10-02).

  • Los Angeles LGBT Center27 clinicians in the group

Specialties

Find other General Practice doctors in California →

Other general practitioners in Los Angeles

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

All general practitioners in Los Angeles →

Clinician information

CredentialMD
Medical schoolUn Of California, Irvine, College Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669402327
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