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DR. ALEXANDRA KAY BRENNAN MD
NPI 1578092508
Radiology - Radiation Oncology in Joint Base Lewis Mcchord, WA

Active since June 04, 2017PECOS Enrolled
MADIGAN ARMY MEDICAL CENTER, 9040A JACKSON AVE, JOINT BASE LEWIS MCCHORD, WA 98431(253) 968-2090 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 2, 2026, Jul 27, 2022, Jun 4, 2017 (3 updates tracked since 2017).

About Dr. Alexandra Kay Brennan Md NPPES

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

DR. ALEXANDRA KAY BRENNAN MD (NPI 1578092508) is an individual radiation oncology provider in Joint Base Lewis Mcchord, Washington, licensed in Washington (MD.MD.70078007) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578092508
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameDR. ALEXANDRA KAY BRENNANCredential: MD
Location AddressMADIGAN ARMY MEDICAL CENTER, 9040A JACKSON AVEJoint Base Lewis Mcchord, WA 98431-0001
Mailing AddressMadigan Army Medical Center, 9040a Jackson AveJoint Base Lewis Mcchord, WA 98431-0001 · (253) 968-2090
Phone(253) 968-2090
Sole ProprietorNo
Enumeration DateJune 4, 2017
Last NPPES UpdateJune 2, 20263 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1578092508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses✔ Licensed in WA · MD.MD.70078007✔ Licensed in VA · 0101266467
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
MADIGAN ARMY MEDICAL CENTER, Joint Base Lewis Mcchord, WA 98431
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexandra Kay Brennan Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98431 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
$172.80 typical visit price
range $57.27 – $172.80
Typical copayment $43.20 (range $14.31 – $43.20)
Most-billed visit code 99205
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
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 20

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

DR. MELODIE M ICASIANO MD
Obstetrics & Gynecology
MADIGAN ARMY MEDICAL CENTER, BLDG 9040 FITZSIMMONS DR.
TACOMA, WA 98431
Pierce County (253) 968-1740
BRADLEY EUGENE FOSTER LPN
Licensed Practical Nurse
MADIGAN ARMY MEDICAL CENTER, 9040 JACKSON AVE, ATTN: MCLN-CLQ-C
TACOMA, WA 98431
Pierce County (253) 348-5465
ROBERT BANDA ATC
Specialist/Technologist (Athletic Trainer)
MADIGAN ARMY MEDICAL CENTER, 9040 JACKSON AVE, ATTN: MCHJ-CLQ-C
TACOMA, WA 98431
Pierce County (757) 358-2356
DR. GREGORY MICHAEL JOHNSTON M.D.
General Practice
MADIGAN ARMY MEDICAL CENTER, DEPARTMENT OF EMERGENCY MEDICINE
TACOMA, WA 98431
Pierce County (253) 968-1390
MS. LAURA LOUISE WARD R.PH.
Pharmacist
MADIGAN ARMY MEDICAL CENTER, 9040A FITZSIMMONS AVE
TACOMA, WA 98431
Pierce County (253) 968-1941
MR. JASON EDWARD MYERS L.M.H.C.
Counselor (Mental Health)
MADIGAN ARMY MEDICAL CENTER
TACOMA, WA 98431
Pierce County (253) 968-5140
JASON DOYLE RUNDELL PA-C
Physician Assistant (Medical)
MADIGAN ARMY MEDICAL CENTER, 9040 JACKSON AVENUE
TACOMA, WA 98431
Pierce County (253) 968-1250
DR. STEPHEN MICHAEL YOEST M.D.
Radiology (Neuroradiology)
MADIGAN ARMY MEDICAL CENTER, ATTN: MCHJ-R
TACOMA, WA 98431
Pierce County (253) 968-5604

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 Alexandra Brennan's NPI number?

The NPI number for Alexandra Brennan is 1578092508. It was assigned to this individual provider in the NPPES registry on June 4, 2017.

Where is Alexandra Brennan located?

Alexandra Brennan practices at Madigan Army Medical Center 9040A Jackson Ave, Joint Base Lewis Mcchord, WA 98431. The listed phone number is (253) 968-2090.

What is Alexandra Brennan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Alexandra Brennan enrolled in Medicare?

Yes. Alexandra Brennan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexandra Brennan was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.