NPPES file of Aug 9, 2026

Thomas Dean Biddison, M.D.

Family Medicine Physician · Los Angeles, CA

Thomas Dean Biddison, M.D. is a family medicine physician with a practice address in Los Angeles, California, and NPI 1669402327, issued on Jul 5, 2006. Check the license (California A55699, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669402327
Name
Thomas Dean Biddison
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A55699 CA
Self-reported in NPPES; status is on the state search
Practice location
1625 Schrader Blvd, Los Angeles, CA 90028
Phone
(323) 993-7500
Enumerated
Jul 5, 2006
Record last updated
Feb 8, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(323) 308-4015
Medicaid ID
00A556990 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1625 Schrader Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joseph Ackerman, LCSWClinical Social Worker1184713299
  2. Jessica AcostaStudent in an Organized Health Care Education/Training Program1952943342
  3. Christopher AguilarAddiction (Substance Use Disorder) Counselor1659729473
  4. Amir Ahuja, M.D.Psychiatry Physician1992006837
  5. Shaima Al Fardan, M.A.Student in an Organized Health Care Education/Training Program1174877872
  6. Majid AlsharifMarriage & Family Therapist1679115356

Verify Thomas Dean Biddison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A55699
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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9% more Medicare Part D claims than the average family medicine physician in 2024

3,851 Medicare Part D claims for 65 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Thomas Biddison3,851
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium296 claims
  2. Amlodipine Besylate143 claims
  3. Lisinopril124 claims
  4. Testosterone119 claims
  5. Biktarvy111 claims
  6. Juluca102 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $332.14

4 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Biddison$332.14
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Thomas Dean Biddison among 17,133 family medicine physician records in California

Thomas Dean Biddison, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2018 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

829 family medicine physician records list a practice address in Los Angeles

They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Awad Anthony, M.DHollywood, CA 900281811047830
  2. Canaan Arceneaux, DOHollywood, CA 900281184152100
  3. Maisha Davis, MDLos Angeles, CA 900281598150666
  4. Katherine Duffy, M.D.Los Angeles, CA 900281881012433
  5. Michael Hall, M.D.Los Angeles, CA 900281396744850
  6. Gerald Hamwi, MDLos Angeles, CA 900281467447714
  7. Joel Jaffe, MDLos Angeles, CA 900281417037466
  8. Dareen Khalaf, MDLos Angeles, CA 900281245598200

Common questions

What is Thomas Dean Biddison, M.D.'s NPI number?

Thomas Dean Biddison, M.D.'s National Provider Identifier (NPI) is 1669402327, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Dean Biddison, M.D. located?

The NPPES record lists a practice address at 1625 Schrader Blvd, Los Angeles, CA, 90028. Phone: (323) 993-7500. Providers update this record themselves, so call before visiting.

How can I verify Thomas Dean Biddison, M.D.'s license?

NPPES lists California license number A55699, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Dean Biddison, M.D. prescribe under Medicare Part D?

In 2024, Thomas Dean Biddison, M.D. had 3,851 Medicare Part D claims for 65 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.