Stephen Leung, M.D.
NPI 1306969308 · Family Medicine Physician · San Gabriel, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Leung, M.D. is a Family Medicine Physician provider in San Gabriel, CA (NPI 1306969308).
Provider details
- NPI number
- 1306969308
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A52914 (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
309 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 198 | $99 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 59 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 29 | $140 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 23 | $21 |
Typical Medicare-allowed amounts for these services range $19–$140 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 349 | 93 |
| Losartan Potassium | 249 | 56 |
| Alendronate Sodium | 227 | 58 |
| Amlodipine Besylate | 225 | 58 |
| Metformin Hcl | 222 | 52 |
| Raloxifene Hcl | 175 | 40 |
| Nifedipinebrand: Nifedipine Er | 135 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-06
- Last updated
- 2022-08-04
- Certified
- 2022-08-04
Frequently asked questions
- What is Stephen Leung's NPI number?
- Stephen Leung's National Provider Identifier (NPI) is 1306969308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Leung's specialty?
- Stephen Leung is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Leung located?
- Stephen Leung's practice location on file with NPPES is 1045 E Valley Blvd, San Gabriel, CA 91776-3661.
- What is Stephen Leung's phone number?
- The practice phone number listed in the NPPES registry for Stephen Leung is (626) 572-0012.
- Does Stephen Leung accept Medicare?
- Stephen Leung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Leung's NPI active?
- Yes — Stephen Leung's NPI (1306969308) is active in the NPPES registry as of the last update on 2022-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.