Katharine Elizabeth Leaning, M.D.
Pediatrics Physician · Napa, CA
Katharine Elizabeth Leaning, M.D. is a pediatrics physician with a practice address in Napa, California, and NPI 1275595191, issued on Apr 5, 2006. Check the license (California A73830, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katharine Elizabeth Leaning
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- A73830 CA
26222 OR
45305 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Trancas St Ste 270, Napa, CA 94558
- Phone
- (707) 252-1076
- Enumerated
- Apr 5, 2006
- Record last updated
- Jun 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (707) 252-4764
- Entity
- Type 1 · individual
Also registered at 1100 Trancas St Ste 270
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tamara Dupuis, NPPediatric Nurse Practitioner1013789122
- Sparsha Govardhan, NPNurse Practitioner1255189908
- Emma Miller, D.O.Pediatrics Physician1124778113
Verify Katharine Elizabeth Leaning in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Pediatrics Physician providers in California
There are 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other pediatrics physician records in California
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- Joseph Abapo, MDRiverside, CA1841348786
- Zvart Abaryan, MDLos Angeles, CA1154940849
- Lauren Abbas, MDLos Angeles, CA1982163796
- Attia Abbasi, M.D.Auburn, CA1922027127
- Denise AbbasiParadise, CA1770062341
- Alexandra Abbott, MDPalo Alto, CA1760018675
Common questions
What is Katharine Elizabeth Leaning, M.D.'s NPI number?
Katharine Elizabeth Leaning, M.D.'s National Provider Identifier (NPI) is 1275595191, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Elizabeth Leaning, M.D. located?
The NPPES record lists a practice address at 1100 Trancas St Ste 270, Napa, CA, 94558. Phone: (707) 252-1076. Providers update this record themselves, so call before visiting.
How can I verify Katharine Elizabeth Leaning, M.D.'s license?
NPPES lists California license number A73830, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.