Kathleen Ryan, M.D.
NPI 1508027772 · Pediatric Critical Care Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Ryan, M.D. is a Pediatric Critical Care Medicine Physician provider in Palo Alto, CA (NPI 1508027772).
Provider details
- NPI number
- 1508027772
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A136761 (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
17 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)
- 750 Welch RdSuite 325Palo Alto, CA 94304-1507Phone: (650) 721-3290
Registry dates
- Enumerated
- 2008-06-20
- Last updated
- 2024-04-11
- Certified
- 2024-04-11
Frequently asked questions
- What is Kathleen Ryan's NPI number?
- Kathleen Ryan's National Provider Identifier (NPI) is 1508027772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Ryan's specialty?
- Kathleen Ryan is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Ryan located?
- Kathleen Ryan's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Kathleen Ryan's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Ryan is (650) 497-8000.
- Does Kathleen Ryan accept Medicare?
- Kathleen Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Ryan's NPI active?
- Yes — Kathleen Ryan's NPI (1508027772) is active in the NPPES registry as of the last update on 2024-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.