Joy A. Leong, M.D.
Obstetrics & Gynecology Physician · Whittier, CA
Joy A. Leong, M.D. is an obstetrics & gynecology physician with a practice address in Whittier, California, and NPI 1174611263, issued on Oct 11, 2006. Check the license (California G77572, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joy A. Leong
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G77572 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7630 S Painter Ave, Whittier, CA 90602
- Phone
- (562) 945-2206
- Enumerated
- Oct 11, 2006
- Record last updated
- Mar 10, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (562) 696-2584
- Medicare enrollment
- Enrolled (PECOS I20090212000637); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Joy A. Leong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.2 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
856 Medicare Part D claims for 278 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Estradiol247 claims
- Yuvafem112 claims
- Premarin42 claims
- Estradiol (Twice Weekly)37 claims
- Fluconazole37 claims
- Nystatin-Triamcinolone25 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 PhysiciansWhittier, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joy A. Leong among 5,088 obstetrics & gynecology physician records in California
Joy A. Leong, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1992 · median 2004 among the 2,700 with a school on file
- Record last updated2008 · 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 Whittier → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kamilah Evans, MDWhittier, CA 906021689251480
- Brent Gray, M.D.Whittier, CA 906021114015963
- Jaime Lopez, MDWhittier, CA 906021205940723
- Cariza Mercurio, MDWhittier, CA 906021366805541
- Sara Soto, MDWhittier, CA 906021073835351
- Alejandro Vazquez, M.D.Whittier, CA 906021275724619
- Cecelia Minardo, M.D.Whittier, CA 906031407966872
- Kenneth Purdom, M.D.Whittier, CA 906011497819361
Common questions
What is Joy A. Leong, M.D.'s NPI number?
Joy A. Leong, M.D.'s National Provider Identifier (NPI) is 1174611263, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joy A. Leong, M.D. located?
The NPPES record lists a practice address at 7630 S Painter Ave, Whittier, CA, 90602. Phone: (562) 945-2206. Providers update this record themselves, so call before visiting.
How can I verify Joy A. Leong, M.D.'s license?
NPPES lists California license number G77572, 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 Joy A. Leong, M.D. prescribe under Medicare Part D?
In 2024, Joy A. Leong, M.D. had 856 Medicare Part D claims for 278 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Joy A. Leong, M.D.'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.