Peggy Feng, MD
NPI 1922291822 · Pediatrics Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peggy Feng, MD is a Pediatrics Physician provider in Fremont, CA (NPI 1922291822).
Provider details
- NPI number
- 1922291822
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A99126 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-23
- Last updated
- 2020-06-04
- Certified
- 2020-06-04
Frequently asked questions
- What is Peggy Feng's NPI number?
- Peggy Feng's National Provider Identifier (NPI) is 1922291822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peggy Feng's specialty?
- Peggy Feng is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Peggy Feng located?
- Peggy Feng's practice location on file with NPPES is 3200 Kearney St, Fremont, CA 94538-2299.
- What is Peggy Feng's phone number?
- The practice phone number listed in the NPPES registry for Peggy Feng is (510) 490-1222.
- Does Peggy Feng accept Medicare?
- Peggy Feng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peggy Feng's NPI active?
- Yes — Peggy Feng's NPI (1922291822) is active in the NPPES registry as of the last update on 2020-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.