Brian Peng
NPI 1023637188 · Endocrinology, Diabetes & Metabolism Physician · Valencia, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Peng is a Endocrinology, Diabetes & Metabolism Physician provider in Valencia, CA (NPI 1023637188).
Provider details
- NPI number
- 1023637188
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A183994 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 67 | 15 |
| Empagliflozinbrand: Jardiance | 34 | 11 |
| Metformin Hcl | 23 | — |
| Tirzepatidebrand: Mounjaro | 23 | — |
| Dulaglutidebrand: Trulicity | 22 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-09
- Last updated
- 2025-09-11
- Certified
- 2025-09-11
Frequently asked questions
- What is Brian Peng's NPI number?
- Brian Peng's National Provider Identifier (NPI) is 1023637188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Peng's specialty?
- Brian Peng is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Peng located?
- Brian Peng's practice location on file with NPPES is 25775 Mcbean Pkwy Ste 202, Valencia, CA 91355-3703.
- What is Brian Peng's phone number?
- The practice phone number listed in the NPPES registry for Brian Peng is (661) 753-5464.
- Does Brian Peng accept Medicare?
- Brian Peng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Peng's NPI active?
- Yes — Brian Peng's NPI (1023637188) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.