Joy Leong, M.D.
NPI 1174611263 · Obstetrics & Gynecology Physician · Whittier, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joy Leong, M.D. is a Obstetrics & Gynecology Physician provider in Whittier, CA (NPI 1174611263).
Provider details
- NPI number
- 1174611263
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G77572 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
194 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 68 | $61 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 65 | $43 |
| Urinalysis, Manual Test81002 | 19 | $3 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 16 | $79 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 15 | $50 |
| Limited Ultrasound Scan of Pelvis76857 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 247 | 103 |
| Estradiolbrand: Yuvafem | 112 | 43 |
| Estrogens, Conjugatedbrand: Premarin | 42 | 21 |
| Fluconazole | 37 | 19 |
| Estradiolbrand: Estradiol (twice Weekly) | 37 | 14 |
| Nystatin/Triamcinolone Acetbrand: Nystatin-Triamcinolone | 25 | 12 |
| Clobetasol Propionate | 24 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2008-03-10
Frequently asked questions
- What is Joy Leong's NPI number?
- Joy Leong's National Provider Identifier (NPI) is 1174611263, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joy Leong's specialty?
- Joy Leong is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Joy Leong located?
- Joy Leong's practice location on file with NPPES is 7630 S Painter Ave, Whittier, CA 90602-2357.
- What is Joy Leong's phone number?
- The practice phone number listed in the NPPES registry for Joy Leong is (562) 945-2206.
- Does Joy Leong accept Medicare?
- Joy Leong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joy Leong's NPI active?
- Yes — Joy Leong's NPI (1174611263) is active in the NPPES registry as of the last update on 2008-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.