Guifeng Sun, M.D.
NPI 1255593026 · Specialist · Riverside, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guifeng Sun, M.D. is a Specialist provider in Riverside, CA (NPI 1255593026).
Provider details
- NPI number
- 1255593026
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A114413 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-07-02
- Last updated
- 2021-12-06
Frequently asked questions
- What is Guifeng Sun's NPI number?
- Guifeng Sun's National Provider Identifier (NPI) is 1255593026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guifeng Sun's specialty?
- Guifeng Sun is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Guifeng Sun located?
- Guifeng Sun's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Guifeng Sun's phone number?
- The practice phone number listed in the NPPES registry for Guifeng Sun is (915) 353-2000.
- Does Guifeng Sun accept Medicare?
- Guifeng Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guifeng Sun's NPI active?
- Yes — Guifeng Sun's NPI (1255593026) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.