Thomas Biddison, M.D.
NPI 1669402327 · Family Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Biddison, M.D. is a Family Medicine Physician provider in Los Angeles, CA (NPI 1669402327).
Provider details
- NPI number
- 1669402327
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A55699 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 296 | 36 |
| Amlodipine Besylate | 143 | 19 |
| Lisinopril | 124 | 18 |
| Testosterone | 119 | 14 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 111 | 16 |
| Dolutegravir/Rilpivirinebrand: Juluca | 102 | 11 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$332 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2018-02-08
Frequently asked questions
- What is Thomas Biddison's NPI number?
- Thomas Biddison's National Provider Identifier (NPI) is 1669402327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Biddison's specialty?
- Thomas Biddison is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Biddison located?
- Thomas Biddison's practice location on file with NPPES is 1625 Schrader Blvd, Los Angeles, CA 90028-6213.
- What is Thomas Biddison's phone number?
- The practice phone number listed in the NPPES registry for Thomas Biddison is (323) 993-7500.
- Does Thomas Biddison accept Medicare?
- Thomas Biddison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Biddison's NPI active?
- Yes — Thomas Biddison's NPI (1669402327) is active in the NPPES registry as of the last update on 2018-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.