Timothy Yao, MD
NPI 1558304352 · Neonatal-Perinatal Medicine Physician · Modesto, CA
Timothy Yao, MD is a Neonatal-Perinatal Medicine Physician provider in Modesto, CA (NPI 1558304352).
Provider details
- NPI number
- 1558304352
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G73286 (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
20 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
- 2006-06-13
- Last updated
- 2007-12-04
Frequently asked questions
- What is Timothy Yao's NPI number?
- Timothy Yao's National Provider Identifier (NPI) is 1558304352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Yao's specialty?
- Timothy Yao is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Yao located?
- Timothy Yao's practice location on file with NPPES is 1441 Florida Ave, Modesto, CA 95350-4405.
- What is Timothy Yao's phone number?
- The practice phone number listed in the NPPES registry for Timothy Yao is (209) 576-3710.
- Is Timothy Yao's NPI active?
- Yes — Timothy Yao's NPI (1558304352) is active in the NPPES registry as of the last update on 2007-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.