Kathryn Mosso, MD
NPI 1215432174 · Pediatrics Physician · Sunnyvale, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Mosso, MD is a Pediatrics Physician provider in Sunnyvale, CA (NPI 1215432174).
Provider details
- NPI number
- 1215432174
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A167362 (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
8 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
- 2018-03-23
- Last updated
- 2022-07-20
- Certified
- 2022-07-20
Frequently asked questions
- What is Kathryn Mosso's NPI number?
- Kathryn Mosso's National Provider Identifier (NPI) is 1215432174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Mosso's specialty?
- Kathryn Mosso is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Mosso located?
- Kathryn Mosso's practice location on file with NPPES is 301 Old San Francisco Rd, Sunnyvale, CA 94086-6386.
- What is Kathryn Mosso's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Mosso is (408) 730-4250.
- Does Kathryn Mosso accept Medicare?
- Kathryn Mosso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Mosso's NPI active?
- Yes — Kathryn Mosso's NPI (1215432174) is active in the NPPES registry as of the last update on 2022-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.