Phet Yoon Tejavanija, M.D.
NPI 1578554986 · Family Medicine Physician · Newhall, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phet Yoon Tejavanija, M.D. is a Family Medicine Physician provider in Newhall, CA (NPI 1578554986).
Provider details
- NPI number
- 1578554986
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A89277 (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
20 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 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 209 | 91 |
| Amlodipine Besylate | 150 | 69 |
| Losartan Potassium | 135 | 56 |
| Rosuvastatin Calcium | 100 | 41 |
| Lisinopril | 83 | 38 |
| Levothyroxine Sodium | 78 | 31 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-03
- Last updated
- 2021-12-01
- Certified
- 2021-12-01
Frequently asked questions
- What is Phet Yoon Tejavanija's NPI number?
- Phet Yoon Tejavanija's National Provider Identifier (NPI) is 1578554986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phet Yoon Tejavanija's specialty?
- Phet Yoon Tejavanija is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Phet Yoon Tejavanija located?
- Phet Yoon Tejavanija's practice location on file with NPPES is 24355 Lyons Ave, Newhall, CA 91321-2300.
- What is Phet Yoon Tejavanija's phone number?
- The practice phone number listed in the NPPES registry for Phet Yoon Tejavanija is (661) 222-9381.
- Does Phet Yoon Tejavanija accept Medicare?
- Phet Yoon Tejavanija is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phet Yoon Tejavanija's NPI active?
- Yes — Phet Yoon Tejavanija's NPI (1578554986) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.