KATHERINE ANNE GREGERSEN D.O.
NPI 1689993206
Pediatrics - Pediatric Critical Care Medicine in Tacoma, WA

Active since May 21, 2010PECOS Enrolled
317 MARTIN LUTHER KING JR WAY, TACOMA, WA 98405(253) 403-1434 Get Directions Write a Review

NPPES record last updated: October 8, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 8, 2021, May 19, 2016 (2 updates tracked since 2016).

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

NPI1689993206
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameKATHERINE ANNE GREGERSENCredential: D.O.
Location Address317 MARTIN LUTHER KING JR WAYTacoma, WA 98405-4234
Mailing Address317 Martin Luther King Jr WayTacoma, WA 98405-4234 · (253) 403-1434
Sole ProprietorYes
Enumeration DateMay 21, 2010
Last NPPES UpdateOctober 8, 20212 updates tracked since enumeration
NPPES CertifiedOctober 8, 2021
✔ NPI 1689993206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in WA · OP61157194
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License 036133046 (IL)
317 MARTIN LUTHER KING JR WAY, Tacoma, WA 98405

Other Names 1

Former Name (1)Katherine Anne Lim D.o.

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).

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 Katherine Gregersen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Transplant Surgery
2020 WELLNESS WAY, STE 506
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.

Nurse Practitioner (Neonatal)
317 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Registered Nurse
317 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Durable Medical Equipment & Medical Supplies
317 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pediatrics
317 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Dietitian, Registered
317 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Pediatrics (Pediatric Emergency Medicine)
317 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Nurse Practitioner (Pediatrics)
317 MARTIN LUTHER KING JR WAY
TACOMA, WA 98405
Social Worker (Clinical)
317 MARTIN LUTHER KING JR WAY
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.