Dr. Joy A. Leong, MD
- Medicare services, 2024
- 194
- Medicare patients, 2024
- 138
- Part D claims, 2024
- 856
- MIPS score, 2024
- 79
- Hospital affiliations
- 2
- Practice address
- 12401 Washington Blvd, Whittier, CA 90602
- Practice phone
- Call (562) 698-0811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leong's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Joy A. Leong is an OB-GYN in Whittier, California
Dr. Leong practices at PIH Health Whittier Hospital in Whittier, California, part of PIH Health.
Dr. Leong's NPI, 1174611263, was assigned on October 11, 2006. Dr. Leong graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1992. Dr. Leong holds California license G77572.
- NPI
- 1174611263NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143385872
- NPI enumeration date
- October 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 698-0811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joy A. Leong practices at PIH Health Whittier Hospital in Whittier, California
Dr. Leong's primary practice is PIH Health Whittier Hospital, at 12401 Washington Blvd, Whittier, CA 90602 in Los Angeles County. The practice phone is (562) 698-0811.
- PIH Health Whittier Hospital12401 Washington Blvd, Whittier, CA 90602 · Los Angeles CountyPhone(562) 698-0811
Source: Dmand AI Affiliation Data
Dr. Joy A. Leong is affiliated with 2 sites of care and 1 medical group
Dr. Leong's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Leong to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joy A. Leong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leong practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PIH Health Whittier Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across PIH Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joy A. Leong is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Leong's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Leong is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Leong is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists menopause, pelvic prolapse, UTI and vaginal infection among the conditions Dr. Leong treats.
OB-GYNs near Dr. Leong
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Joy A. Leong billed Medicare for 194 services in 2024
CMS data shows 194 Medicare services from Dr. Leong across 6 procedure codes in 2024, for 138 Medicare patients. Medicare paid $7,867 for them. Every service was in an office.
Dr. Leong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 772024: 849%
- Other services
- 2023: 732024: 8010%
- Lab and pathology
- 2023: 212024: 1910%
- Imaging
- 2023: 02024: 11
Dr. Leong compared with the California median for OB-GYNs, 2024
- Dr. Leong
- California median
- Medicare services
- 194vs 583.3 times
- Medicare patients
- 138vs 522.7 times
- Part D claims
- 688vs 3519.7 times
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Leong's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leong and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joy A. Leong treated 138 Medicare patients in 2024, average age 72
CMS counts 138 Medicare patients who saw Dr. Leong in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 14% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Leong's median patient age at 42, with 98% women.
Dr. Leong's Medicare patients by age, 2024
Chronic conditions among Dr. Leong's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis51%
- Diabetes38%
- Osteoporosis31%
- Anxiety23%
- Cancer22%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women98%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joy A. Leong wrote 856 Medicare Part D claims in 2024
In 2024, Dr. Leong wrote 856 Medicare Part D claims for 278 patients. 87% of them were for generic drugs. CMS names the drug for 688 of them, across 18 drugs with 11 or more claims each, at $88,471 in total drug cost. In 2023, CMS named 621 claims across 16 drugs.
Dr. Leong's Part D claims by kind of drug, 2024
- Generic745 claims87%
- Brand-name111 claims13%
Dr. Leong's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Leong's Part D claims, 2024
- Antibiotics8%69 of 856 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6212024: 68811%
Drugs named by CMS: 18 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Joy A. Leong scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Leong for performance year 2024, reported as part of a group. Dr. Leong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Leong's MIPS scores, performance year 2024
- 79of 100Final score
- 58.7of 100Quality
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Joy A. Leong received $355 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Leong from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Hologic Inc paid the most, $199.
General payments to Dr. Leong by program year, 2016 to 2025
General payments to Dr. Leong by kind, 2016 to 2025
- Food and beverage$33995%
- Education$165%
Companies that paid Dr. Leong the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joy A. Leong has 1 award and honors on record
Dmand AI lists 1 award for Dr. Leong.
Awards and honors for Dr. Leong
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Joy A. Leong graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Leong graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1992. Dr. Leong is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Joy A. Leong accepts plans from 10 insurance carriers
Dr. Leong is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Humana
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- +2 more carriersWith a free account
Plan types Dr. Leong accepts, by number of carriers
- Medicare8
- PPO7
- HMO4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Joy A. Leong's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Joy A. Leong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joy A. Leong's NPI number?
Dr. Joy A. Leong's NPI number is 1174611263. It was assigned on October 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joy A. Leong?
Dr. Joy A. Leong is an OB-GYN in Whittier, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Joy A. Leong practice?
Dr. Leong practices at 12401 Washington Blvd, Whittier, CA 90602. Dr. Leong's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dmand AI also links Dr. Leong to 1 hospital.
What is Dr. Joy A. Leong's office phone number?
The practice phone on file for Dr. Leong is (562) 698-0811.
What is Dr. Joy A. Leong's medical license number?
Dr. Leong holds California license G77572.
Which hospitals is Dr. Joy A. Leong affiliated with?
Dr. Leong practices at PIH Health Whittier Hospital in Whittier, California. Dmand AI links Dr. Leong to 1 more hospital.
What medical group is Dr. Joy A. Leong part of?
Dr. Leong is linked to PIH Health Physicians.
Does Dr. Joy A. Leong accept Medicare?
Yes. CMS data shows Dr. Leong billed Medicare for 194 services in 2024, and Dr. Leong accepts Medicare assignment.
What is Dr. Joy A. Leong's MIPS score?
Dr. Leong's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Dr. Joy A. Leong see?
CMS counts 138 Medicare patients who saw Dr. Leong in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
Is Dr. Joy A. Leong board certified?
Yes. Dr. Leong is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Joy A. Leong bill to Medicare?
In 2024, Dr. Leong's most billed Medicare services were office visit, established patient (99212), medicare service (G0101) and lab and pathology test (81002).
Where did Dr. Joy A. Leong go to medical school?
Dr. Leong graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1992.
What drugs does Dr. Joy A. Leong prescribe most?
In 2024 Medicare Part D data, Dr. Leong's most prescribed drugs by claims were Estradiol, Yuvafem and Premarin.
Has Dr. Joy A. Leong received payments from drug or device companies?
CMS Open Payments shows $355 in general payments to Dr. Leong from 10 companies from 2016 to 2025. The largest total came from Hologic Inc.
How long has Dr. Joy A. Leong been practicing?
Dr. Leong graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Joy A. Leong accept?
Dr. Leong is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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