Teresa Leung, D.O
Obstetrics & Gynecology Physician · La Mirada, CA
Teresa Leung, D.O is an obstetrics & gynecology physician with a practice address in La Mirada, California, and NPI 1063857258, issued on May 2, 2013. Check the license (California 20A13781, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Teresa Leung
- Credential
- D.O
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 20A13781 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12675 LA Mirada Blvd Ste 401, La Mirada, CA 90638
- Phone
- (562) 789-5453
- Enumerated
- May 2, 2013
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20171103000787); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 12675 LA Mirada Blvd Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hanna BinPediatric Nurse Practitioner1235434119
- Bo Kong, MDPediatrics Physician1083879274
- Wayne Kuang, DOPediatrics Physician1447909858
Verify Teresa Leung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
110 Medicare Part D claims for 44 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Estradiol22 claims
- Premarin19 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pih Health PhysiciansLa Mirada, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Teresa Leung among 5,088 obstetrics & gynecology physician records in California
Teresa Leung, D.O is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 78% of them.
- NPI issued2013 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2013 · median 2004 among the 2,700 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in La Mirada → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lydia Aguilera, M.D.Montebello, CA 906401891853115
- Zelda Billingy, M.D.Montebello, CA 906401881735165
- Yu ChenMontebello, CA 906401043661556
- Julio Lemus, M.D.Montebello, CA 906401063469542
- Sandra Nieto, MDMontebello, CA 906401003830258
- William Origel, M.D.Montebello, CA 906401265499727
- Hiram Williams, M.D.Montebello, CA 906401346325362
- Keith WilsonMontebello, CA 906401730183344
Common questions
What is Teresa Leung, D.O's NPI number?
Teresa Leung, D.O's National Provider Identifier (NPI) is 1063857258, issued on May 2, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Teresa Leung, D.O located?
The NPPES record lists a practice address at 12675 LA Mirada Blvd Ste 401, La Mirada, CA, 90638. Phone: (562) 789-5453. Providers update this record themselves, so call before visiting.
How can I verify Teresa Leung, D.O's license?
NPPES lists California license number 20A13781, 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 Teresa Leung, D.O prescribe under Medicare Part D?
In 2024, Teresa Leung, D.O had 110 Medicare Part D claims for 44 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Teresa Leung, D.O's MIPS final score?
The 2023 MIPS final score is 76.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.