DR. KATHARINE CHRISTINA LONG M.D
NPI 1639443104
Pediatrics - Pediatric Emergency Medicine in Madera, CA
About Dr. Katharine Christina Long M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHARINE CHRISTINA LONG M.D (NPI 1639443104) is an individual pediatric emergency medicine provider in Madera, California, licensed in Pennsylvania (MD452181) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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 Christina Long M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Katharine Long reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Olympia, WA 98512
- Reassigned Medicare billing, Washington enrollment
- 4,383 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MADERA, CA 93636
MADERA, CA 93636
MADERA, CA 93636
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 Long's NPI number?
The NPI number for Katharine Long is 1639443104. It was assigned to this individual provider in the NPPES registry on March 1, 2012.
Where is Katharine Long located?
Katharine Long practices at 9300 Valley Childrens Pl Valley Children's Hospital, Madera, CA 93636. The listed phone number is (717) 586-0629.
What is Katharine Long's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Katharine Long enrolled in Medicare?
Yes. Katharine Long is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Katharine Long's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Long reassigns Medicare benefits to Multicare Health System (Olympia, WA). 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 Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katharine Long accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Katharine Long as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Katharine Long was last updated on July 12, 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.
# Dr. Katharine Christina Long, M.D · NPI 1639443104
Pediatric Emergency Medicine physician in Madera, California. Individual provider, active in the CMS NPPES registry since March 1, 2012.
## Identity
- **NPI:** 1639443104 (Entity type: Individual)
- **Enumerated:** March 1, 2012
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** MD452181 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9300 VALLEY CHILDRENS PL, VALLEY CHILDREN'S HOSPITAL, Madera, CA 93636-8761
- **Phone:** (717) 586-0629
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Multicare Health System (NPI 1831609775, Olympia, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 12, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1639443104) · Data from the CMS NPPES public registry.