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DR. KATHARINE ELIZABETH LEANING M.D.
NPI 1275595191
Pediatrics in Napa, CA

Active since April 05, 2006PECOS Enrolled
1100 TRANCAS ST STE 270, NAPA, CA 94558(707) 252-1076(707) 252-4764 Get Directions Write a Review

NPPES record last updated: June 17, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Katharine Elizabeth Leaning M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KATHARINE ELIZABETH LEANING M.D. (NPI 1275595191) is an individual pediatrics provider in Napa, California, licensed in California (A73830) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275595191
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. KATHARINE ELIZABETH LEANINGCredential: M.D.
Location Address1100 TRANCAS ST STE 270Napa, CA 94558-2921
Mailing Address1100 Trancas St Ste 270Napa, CA 94558-2921 · (707) 252-1076 · Fax (707) 252-4764
Phone(707) 252-1076
Fax(707) 252-4764
Sole ProprietorNo
Enumeration DateApril 5, 2006
Last NPPES UpdateJune 17, 2016
✔ NPI 1275595191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A73830
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedHospitalistTaxonomy 208M00000X · License 45305 (WA), 26222 (OR)
1100 TRANCAS ST STE 270, Napa, CA 94558
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Other Identifiers 1

Medicare UPINH67843

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Katharine Elizabeth Leaning M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Katharine Leaning reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation
31 mi
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1366898538 (510) 204-8180

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94558 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$98.97 typical visit price
range $65.08 – $192.16
Typical copayment $24.74 (range $16.27 – $48.04)
Most-billed visit code 99203
Established Patient
$113.15 typical visit price
range $21.86 – $157.83
Typical copayment $28.28 (range $5.46 – $39.45)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TAMARA ANN DUPUIS NP
Nurse Practitioner (Pediatrics)
1100 TRANCAS ST STE 270
NAPA, CA 94558
Napa County (707) 252-1076
EMMA MILLER D.O.
Pediatrics
1100 TRANCAS ST STE 270
NAPA, CA 94558
Napa County (707) 252-1076
SPARSHA GOVARDHAN NP
Nurse Practitioner
1100 TRANCAS ST STE 270
NAPA, CA 94558
Napa County (707) 252-1076

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katharine Leaning's NPI number?

The NPI number for Katharine Leaning is 1275595191. It was assigned to this individual provider in the NPPES registry on April 5, 2006.

Where is Katharine Leaning located?

Katharine Leaning practices at 1100 Trancas St Ste 270, Napa, CA 94558. The listed phone number is (707) 252-1076.

What is Katharine Leaning's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Katharine Leaning enrolled in Medicare?

Yes. Katharine Leaning is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katharine Leaning's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Leaning reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katharine Leaning's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katharine Leaning was last updated on June 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.