Jennifer Tan, D.O.
NPI 1205219706 · Internal Medicine Physician · Downey, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Tan, D.O. is a Internal Medicine Physician provider in Downey, CA (NPI 1205219706).
Provider details
- NPI number
- 1205219706
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A14113 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 286 | 108 |
| Losartan Potassium | 160 | 58 |
| Levothyroxine Sodium | 140 | 47 |
| Amlodipine Besylate | 134 | 52 |
| Lisinopril | 118 | 44 |
| Meloxicam | 116 | 48 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-07-01
- Last updated
- 2021-12-03
Frequently asked questions
- What is Jennifer Tan's NPI number?
- Jennifer Tan's National Provider Identifier (NPI) is 1205219706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Tan's specialty?
- Jennifer Tan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Tan located?
- Jennifer Tan's practice location on file with NPPES is 9333 Imperial Hwy, Downey, CA 90242-2812.
- What is Jennifer Tan's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Tan is (310) 804-2196.
- Does Jennifer Tan accept Medicare?
- Jennifer Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Tan's NPI active?
- Yes — Jennifer Tan's NPI (1205219706) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.