Elizabeth Tien, M.D.
Child & Adolescent Psychiatry Physician · Los Angeles, CA
Elizabeth Tien, M.D. is a child & adolescent psychiatry physician with a practice address in Los Angeles, California, and NPI 1851554364, issued on Jul 3, 2008. Check the license (California 170465, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Tien
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License numbers
- 170465 CA
256438 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1720 E 120TH St, Los Angeles, CA 90059
- Phone
- (310) 668-4272
- Enumerated
- Jul 3, 2008
- Record last updated
- Jul 11, 2022
- Medicaid ID
- 03477176 NY
- Medicare enrollment
- Enrolled (PECOS I20220823002369); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Also registered at 1720 E 120TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron AbrahamPsychiatry Physician1477182921
- Mirna AbregoCounselor1205006574
- Herminio Academia, MDPsychiatry Physician1962586222
- Eunice AguilarCase Manager/Care Coordinator1801340419
- George Akpenyi, M.D.Psychiatry Physician1649345067
- Noemi AlsupClinical Social Worker1144655911
Verify Elizabeth Tien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 170465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
372 Medicare Part D claims for 26 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Trazodone Hcl46 claims
- Fluoxetine Hcl40 claims
- Quetiapine Fumarate39 claims
- Bupropion Xl38 claims
- Benztropine Mesylate24 claims
- Sertraline Hcl24 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
- Los Angeles County Department OF Mental HealthLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Tien among 1,009 child & adolescent psychiatry physician records in California
Elizabeth Tien, M.D. is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 35% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2006 · median 2005 among the 215 with a school on file
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in Los Angeles → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Keerthi Reddy, MDLos Angeles, CA 900591851915250
- Carlos Rodriguez, M.D.Los Angeles, CA 900591538202031
- Rafael Tapias, M.D.Los Angeles, CA 900591518387414
- Kira Williams, M.D.Los Angeles, CA 900591760565147
- Gene Yang, MD, MBALos Angeles, CA 900561740676519
- Carl Fleisher, M.D.Los Angeles, CA 900641013161843
- Andrew Lee, MDLos Angeles, CA 900641154507440
- Mark McDonald, MDLos Angeles, CA 900641114116506
Common questions
What is Elizabeth Tien, M.D.'s NPI number?
Elizabeth Tien, M.D.'s National Provider Identifier (NPI) is 1851554364, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Tien, M.D. located?
The NPPES record lists a practice address at 1720 E 120TH St, Los Angeles, CA, 90059. Phone: (310) 668-4272. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Tien, M.D.'s license?
NPPES lists California license number 170465, 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 Elizabeth Tien, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth Tien, M.D. had 372 Medicare Part D claims for 26 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.