Phet Yoon Tejavanija, M.D.
Family Medicine Physician · Newhall, CA
Phet Yoon Tejavanija, M.D. is a family medicine physician with a practice address in Newhall, California, and NPI 1578554986, issued on Nov 3, 2005. Check the license (California A89277, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Phet Yoon Tejavanija
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A89277 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24355 Lyons Ave, Newhall, CA 91321
- Phone
- (661) 222-9381
- Enumerated
- Nov 3, 2005
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (661) 222-2264
- Medicaid ID
- 00A892770 CA
- Medicare enrollment
- Enrolled (PECOS I20051004000420); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 24355 Lyons Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ricki AlbaBehavior Technician1477493765
- Dana ArguienBehavior Technician1952282121
- Leena CantwellBehavior Technician1073430302
- Danny ElsnauBehavior Technician1770313124
- Ashley GastelumBehavior Technician1457278707
- Judian Gordon BurkeBehavior Technician1659203255
Verify Phet Yoon Tejavanija in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89277Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average family medicine physician in 2024
2,796 Medicare Part D claims for 518 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 108 claims were for opioids.
Most prescribed
- Atorvastatin Calcium209 claims
- Amlodipine Besylate150 claims
- Losartan Potassium135 claims
- Rosuvastatin Calcium100 claims
- Lisinopril83 claims
- Levothyroxine Sodium78 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phet Yoon Tejavanija among 17,133 family medicine physician records in California
Phet Yoon Tejavanija, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Newhall → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gregory Jenkins, M.D.Newhall, CA 913211215018502
- Vaheh Shirvanian, M.D.Santa Clarita, CA 913211467862920
- Nicola Azar, M.D.Thousand Oaks, CA 913201922259787
- Donald Chen, M.D.Newbury Park, CA 913201659432268
- Anjani Hagan, MDNewbury Park, CA 913201043873185
- Angela Sepulveda Velez, MDNewbury Park, CA 913201922505494
- Donnelly WilkesNewbury Park, CA 913201033111836
- Albert Askarinam, M.D.Northridge, CA 913241346305422
Common questions
What is Phet Yoon Tejavanija, M.D.'s NPI number?
Phet Yoon Tejavanija, M.D.'s National Provider Identifier (NPI) is 1578554986, issued on Nov 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Phet Yoon Tejavanija, M.D. located?
The NPPES record lists a practice address at 24355 Lyons Ave, Newhall, CA, 91321. Phone: (661) 222-9381. Providers update this record themselves, so call before visiting.
How can I verify Phet Yoon Tejavanija, M.D.'s license?
NPPES lists California license number A89277, 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 Phet Yoon Tejavanija, M.D. prescribe under Medicare Part D?
In 2024, Phet Yoon Tejavanija, M.D. had 2,796 Medicare Part D claims for 518 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.