Peter Leung, DO
NPI 1568669976 · Family Medicine Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Leung, DO is a Family Medicine Physician provider in Fontana, CA (NPI 1568669976).
Provider details
- NPI number
- 1568669976
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A10615 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 267 | 113 |
| Amlodipine Besylate | 184 | 81 |
| Losartan Potassium | 114 | 38 |
| Lisinopril | 89 | 38 |
| Metformin Hcl | 73 | 34 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 69 | 30 |
| Empagliflozin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-29
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is Peter Leung's NPI number?
- Peter Leung's National Provider Identifier (NPI) is 1568669976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Leung's specialty?
- Peter Leung is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Leung located?
- Peter Leung's practice location on file with NPPES is 9985 Sierra Ave, Fontana, CA 92335-6720.
- What is Peter Leung's phone number?
- The practice phone number listed in the NPPES registry for Peter Leung is (888) 750-0036.
- Does Peter Leung accept Medicare?
- Peter Leung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Leung's NPI active?
- Yes — Peter Leung's NPI (1568669976) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.