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BRIAN NAN PENG
NPI 1023637188
Internal Medicine - Endocrinology, Diabetes & Metabolism in Valencia, CA

Active since April 09, 2020PECOS EnrolledAccepts Medicare Assignment
25775 MCBEAN PKWY STE 202, VALENCIA, CA 91355(661) 753-5464(661) 753-5466 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Jun 24, 2023, Apr 9, 2020 (3 updates tracked since 2020).

About Brian Nan Peng NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIAN NAN PENG (NPI 1023637188) is an individual endocrinology, diabetes & metabolism provider in Valencia, California, licensed in California (A183994) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2019).

NPPES Registry Identity

NPI1023637188
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameBRIAN NAN PENG
Location Address25775 MCBEAN PKWY STE 202Valencia, CA 91355-3703
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Phone(661) 753-5464
Fax(661) 753-5466
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2019
Enumeration DateApril 9, 2020
Last NPPES UpdateSeptember 11, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
✔ NPI 1023637188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A183994
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License A183994 (CA)
25775 MCBEAN PKWY STE 202, Valencia, CA 91355
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brian Nan Peng is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9436518990
PECOS Enrollment IDI20250729001705
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DONALD HANNOUN M.D.
Urology
25775 MCBEAN PKWY STE 202
VALENCIA, CA 91355
Los Angeles County (310) 794-7700
ALAN JACOB YAGHOUBIAN MD
Urology
25775 MCBEAN PKWY STE 202
VALENCIA, CA 91355
Los Angeles County (310) 794-7700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian Peng's NPI number?

The NPI number for Brian Peng is 1023637188. It was assigned to this individual provider in the NPPES registry on April 9, 2020.

Where is Brian Peng located?

Brian Peng practices at 25775 Mcbean Pkwy Ste 202, Valencia, CA 91355. The listed phone number is (661) 753-5464.

What is Brian Peng's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Brian Peng enrolled in Medicare?

Yes. Brian Peng is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Brian Peng was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.