Angela Treinen
Family Medicine Physician · Los Angeles, CA
Angela Treinen is a family medicine physician with a practice address in Los Angeles, California, and NPI 1043203870, issued on Aug 26, 2005. Check the license (California RN 387089, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Angela Treinen
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- RN 387089 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4815 Valley Blvd Ste C, Los Angeles, CA 90032
- Phone
- (323) 222-1134
- Enumerated
- Aug 26, 2005
- Record last updated
- Jan 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (323) 221-4506
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4815 Valley Blvd Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tricia Culverhouse, N.P.Nurse Practitioner1295742625
- Laura Gancedo, M.D.Pediatrics Physician1689667404
Verify Angela Treinen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license RN 387089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family medicine physician in 2024
690 Medicare Part D claims for 60 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium60 claims
- Metformin Hcl43 claims
- Losartan Potassium35 claims
- Amlodipine Besylate32 claims
- Benazepril Hcl29 claims
- Omeprazole27 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.
Angela Treinen among 17,133 family medicine physician records in California
Angela Treinen 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 fileNo · 62% of these records are
- Record last updated2012 · 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).
829 family medicine physician records list a practice address in Los Angeles
They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Angeles → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Lisa Ma, MDLos Angeles, CA 900321639125487
- Van Nguyen, M.D.Los Angeles, CA 900321447330402
- Juan Silva, MDLos Angeles, CA 900321790738110
- Rolando Tringale, MDLos Angeles, CA 900321649462326
- James Wang, D.O.Los Angeles, CA 900321134163637
- Hugh Bach, M.D.Los Angeles, CA 900311629411228
Common questions
What is Angela Treinen's NPI number?
Angela Treinen's National Provider Identifier (NPI) is 1043203870, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Angela Treinen located?
The NPPES record lists a practice address at 4815 Valley Blvd Ste C, Los Angeles, CA, 90032. Phone: (323) 222-1134. Providers update this record themselves, so call before visiting.
How can I verify Angela Treinen's license?
NPPES lists California license number RN 387089, 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 Angela Treinen prescribe under Medicare Part D?
In 2024, Angela Treinen had 690 Medicare Part D claims for 60 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.