Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Karen C. Ackerman, MD

Sees patients in Tacoma, WA · Washington

Summary

Karen C. Ackerman, MD (Diagnostic Radiology) is enrolled with Medicare at 1 practice location in Tacoma, WA. NPI 1164574554. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Karen C. Ackerman, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
Rutgers New Jersey Medical SchoolMedical school
FemaleGender (as listed)
Kaiser Foundation Health Plan of WashingtonGroup practice

Quick answers

Where does Karen C. Ackerman see patients?
Medicare's clinician data lists 1 practice location in Tacoma, WA. Call before your visit to confirm the address.
What is Karen C. Ackerman's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Karen C. Ackerman accept Medicare assignment?
Yes. Medicare's clinician data says Karen C. Ackerman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Karen C. Ackerman?
(253) 596-3300, as listed in official Medicare / NPI Registry data.
What is Karen C. Ackerman's NPI number?
1164574554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Karen C. Ackerman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Karen C. Ackerman as a member of this group (CMS data updated 2026-10-02).

  • Kaiser Foundation Health Plan of Washington1,526 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Washington →

Other radiologists in Tacoma

Clinicians with the same Medicare primary specialty in Tacoma, WA — not a recommendation.

All radiologists in Tacoma →

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year1991
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164574554
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians