Lisa Chyi, MD
NPI 1265626022 · Neonatal-Perinatal Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa Chyi, MD is a Neonatal-Perinatal Medicine Physician provider in Palo Alto, CA (NPI 1265626022).
Provider details
- NPI number
- 1265626022
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A91975 (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
- 2007-09-04
- Last updated
- 2022-02-11
Frequently asked questions
- What is Lisa Chyi's NPI number?
- Lisa Chyi's National Provider Identifier (NPI) is 1265626022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Chyi's specialty?
- Lisa Chyi is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lisa Chyi located?
- Lisa Chyi's practice location on file with NPPES is 750 Welch Rd, Palo Alto, CA 94304-1507.
- What is Lisa Chyi's phone number?
- The practice phone number listed in the NPPES registry for Lisa Chyi is (650) 723-5711.
- Does Lisa Chyi accept Medicare?
- Lisa Chyi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa Chyi's NPI active?
- Yes — Lisa Chyi's NPI (1265626022) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.