Andrew Taylor Yen, DO
Family Medicine Physician · Alhambra, CA
Andrew Taylor Yen, DO is a family medicine physician with a practice address in Alhambra, California, and NPI 1578097275, issued on Apr 19, 2017. Check the license (California 20A16640, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Taylor Yen
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A16640 CA
Self-reported in NPPES; status is on the state search - Practice location
- 55 S Raymond Ave Ste 200, Alhambra, CA 91801
- Phone
- (626) 570-8005
- Enumerated
- Apr 19, 2017
- Record last updated
- Mar 30, 2026
- Medicare enrollment
- Enrolled (PECOS I20190216000148); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 55 S Raymond Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joyce Chang, M.D.Internal Medicine Physician1952357600
- Nalo Hamilton, NURSE PRACTIONERAdult Health Nurse Practitioner1831229194
- Wendy Lau, MDFamily Medicine Physician1205363603
- Holly Liu, NPFamily Nurse Practitioner1558813154
- Mari Kristine Pasicolan, FNPFamily Nurse Practitioner1912546821
- Jonathan Wu, DOInternal Medicine Physician1558922245
Verify Andrew Taylor Yen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A16640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family medicine physician in 2024
9,173 Medicare Part D claims for 689 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 151 claims were for opioids.
Most prescribed
- Atorvastatin Calcium998 claims
- Amlodipine Besylate579 claims
- Lisinopril415 claims
- Levothyroxine Sodium367 claims
- Metformin Hcl333 claims
- Losartan Potassium330 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.
Industry payments in 2024: $37.60
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Healthcare Partners Affiliates Medical GroupSan Gabriel, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Taylor Yen among 17,133 family medicine physician records in California
Andrew Taylor Yen, DO 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 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).
26 family medicine physician records list a practice address in Alhambra
They are 26 of the 1,802 NPPES records with a practice address in Alhambra, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Alhambra → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thelma Buan, M.D.Alhambra, CA 918011568551547
- Justin Chan, M.D.Alhambra, CA 918011003818501
- Luning Chen, M.D.Alhambra, CA 918011306956529
- Corazon Co Thein, MDAlhambra, CA 918011982783502
- Benson Kwee, D.O.Alhambra, CA 918011861811762
- Michael Lam, M.DAlhambra, CA 918011528184587
- Weiguo Li, M.D.,PH.D.Alhambra, CA 918011972640142
- Hsiung Lin, M.D.Alhambra, CA 918011740380393
Common questions
What is Andrew Taylor Yen, DO's NPI number?
Andrew Taylor Yen, DO's National Provider Identifier (NPI) is 1578097275, issued on Apr 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Taylor Yen, DO located?
The NPPES record lists a practice address at 55 S Raymond Ave Ste 200, Alhambra, CA, 91801. Phone: (626) 570-8005. Providers update this record themselves, so call before visiting.
How can I verify Andrew Taylor Yen, DO's license?
NPPES lists California license number 20A16640, 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 Andrew Taylor Yen, DO prescribe under Medicare Part D?
In 2024, Andrew Taylor Yen, DO had 9,173 Medicare Part D claims for 689 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.