KATHERINE ANNE GREGERSEN D.O.
NPI 1689993206
Pediatrics - Pediatric Critical Care Medicine in Tacoma, WA
About Katherine Anne Gregersen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE ANNE GREGERSEN D.O. (NPI 1689993206) is an individual pediatric critical care medicine provider in Tacoma, Washington, licensed in Washington (OP61157194) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Katherine Anne Gregersen D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Katherine Gregersen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Las Vegas, NV 89106
- Reassigned Medicare billing, California enrollment
- 2,584 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.
TACOMA, WA 98405
TACOMA, WA 98405
TACOMA, WA 98405
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 Katherine Gregersen's NPI number?
The NPI number for Katherine Gregersen is 1689993206. It was assigned to this individual provider in the NPPES registry on May 21, 2010. The provider is also known as Katherine Anne Lim D.O..
Where is Katherine Gregersen located?
Katherine Gregersen practices at 317 Martin Luther King Jr Way, Tacoma, WA 98405. The listed phone number is (253) 403-1434.
What is Katherine Gregersen's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Katherine Gregersen enrolled in Medicare?
Yes. Katherine Gregersen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Katherine Gregersen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Gregersen reassigns Medicare benefits to Faculty Physicians And Surgeons Of Llusm (Las Vegas, NV). 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 Katherine Gregersen'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 Katherine Gregersen was last updated on October 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.