Katharine Leaning, M.D.
NPI 1275595191 · Pediatrics Physician · Napa, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Leaning, M.D. is a Pediatrics Physician provider in Napa, CA (NPI 1275595191).
Provider details
- NPI number
- 1275595191
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A73830 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-04-05
- Last updated
- 2016-06-17
Frequently asked questions
- What is Katharine Leaning's NPI number?
- Katharine Leaning's National Provider Identifier (NPI) is 1275595191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Leaning's specialty?
- Katharine Leaning is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Katharine Leaning located?
- Katharine Leaning's practice location on file with NPPES is 1100 Trancas St Ste 270, Napa, CA 94558-2921.
- What is Katharine Leaning's phone number?
- The practice phone number listed in the NPPES registry for Katharine Leaning is (707) 252-1076.
- Does Katharine Leaning accept Medicare?
- Katharine Leaning is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Leaning's NPI active?
- Yes — Katharine Leaning's NPI (1275595191) is active in the NPPES registry as of the last update on 2016-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.