Yao Sun, MD
NPI 1336226273 · Neonatal-Perinatal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yao Sun, MD is a Neonatal-Perinatal Medicine Physician provider in San Francisco, CA (NPI 1336226273).
Provider details
- NPI number
- 1336226273
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G87359 (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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1001 Potrero AveBldg. 5, 6mSan Francisco, CA 94110-3518Phone: (628) 206-8376Fax: (628) 206-7506
Registry dates
- Enumerated
- 2006-10-31
- Last updated
- 2026-04-29
- Certified
- 2026-04-29
Frequently asked questions
- What is Yao Sun's NPI number?
- Yao Sun's National Provider Identifier (NPI) is 1336226273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yao Sun's specialty?
- Yao Sun is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yao Sun located?
- Yao Sun's practice location on file with NPPES is Ucsf Medical Center Childrens Hospital, San Francisco, CA 94143-0110.
- What is Yao Sun's phone number?
- The practice phone number listed in the NPPES registry for Yao Sun is (415) 476-5153.
- Does Yao Sun accept Medicare?
- Yao Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yao Sun's NPI active?
- Yes — Yao Sun's NPI (1336226273) is active in the NPPES registry as of the last update on 2026-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.