Frank Tan, M.D.
NPI 1285729723 · Addiction Psychiatry Physician · Los Angeles, CA
Frank Tan, M.D. is a Addiction Psychiatry Physician provider in Los Angeles, CA (NPI 1285729723).
Provider details
- NPI number
- 1285729723
- Entity type
- Individual
- Primary specialty
- Addiction Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G31393 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 120 | 17 |
| Lamotrigine | 85 | 16 |
| Mirtazapine | 80 | — |
| Fluoxetine Hcl | 80 | — |
| Quetiapine Fumarate | 76 | 14 |
| Duloxetine Hcl | 73 | 16 |
| Bupropion Hclbrand: Bupropion Xl | 69 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$160 across 6 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
- 2006-10-03
- Last updated
- 2025-09-11
Frequently asked questions
- What is Frank Tan's NPI number?
- Frank Tan's National Provider Identifier (NPI) is 1285729723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Tan's specialty?
- Frank Tan is listed in the NPPES registry with a primary specialty of Addiction Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Tan located?
- Frank Tan's practice location on file with NPPES is 11980 San Vicente Blvd., Los Angeles, CA 90049.
- What is Frank Tan's phone number?
- The practice phone number listed in the NPPES registry for Frank Tan is (310) 826-3180.
- Is Frank Tan's NPI active?
- Yes — Frank Tan's NPI (1285729723) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.