DR. ALEXANDRA KAY BRENNAN MD
NPI 1578092508
Radiology - Radiation Oncology in Joint Base Lewis Mcchord, WA
NPI Status: Active since June 04, 2017
Contact Information
MADIGAN ARMY MEDICAL CENTER
9040A JACKSON AVE
JOINT BASE LEWIS MCCHORD, WA
ZIP 98431
Phone: (253) 968-2090
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Radiology
- Radiation Oncology
- PECOS Enrolled
About ALEXANDRA BRENNAN
This page provides the complete NPI Profile along with additional information for Alexandra Brennan, a provider established in Joint Base Lewis Mcchord, Washington with a medical specialization in Radiology, focusing in radiation oncology . The healthcare provider is registered in the NPI registry with number 1578092508 assigned on June 2017. The practitioner's primary taxonomy code is 2085R0001X with license number MD.MD.70078007 (WA). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1578092508
- Provider Name
- DR. ALEXANDRA KAY BRENNAN MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- MADIGAN ARMY MEDICAL CENTER 9040A JACKSON AVE JOINT BASE LEWIS MCCHORD, WA 98431
- Location Phone
- (253) 968-2090
- Mailing Address
- MADIGAN ARMY MEDICAL CENTER 9040A JACKSON AVE JOINT BASE LEWIS MCCHORD, WA 98431
- Mailing Phone
- (253) 968-2090
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-04-2017
- Last Update Date
- 06-02-2026
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Radiology Radiation Oncology
- Taxonomy Code
- 2085R0001X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD.MD.70078007
- License State
- WA
- Taxonomy Description
- A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 2085R0001X | Allopathic & Osteopathic Physicians | Radiology | 0101266467 (VA) |
Medicare Participation & PECOS Enrollment Status
Alexandra Brennan is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Physician Visit Costs
The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.
For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.
The prices below reflect the costs for new and established patients in the 98431 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99205
- Average New Patient Price $172.8
- Minimum New Patient Price $57.27
- Maximum New Patient Price $172.8
- Average New Patient Copayment $43.2
- Minimum New Patient Copayment $14.31
- Maximum New Patient Copayment $43.2
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99213
- Average Established Patient Price $71.29
- Minimum Established Patient Price $18.56
- Maximum Established Patient Price $141.11
- Average Established Patient Copayment $17.82
- Minimum Established Patient Copayment $4.64
- Maximum Established Patient Copayment $35.27
* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.
Reviews for DR. ALEXANDRA KAY BRENNAN MD
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1578092508, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 62 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
TACOMA, WA 98431
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1578092508, enumerated as an "individual" on June 04, 2017.
The provider is located at MADIGAN ARMY MEDICAL CENTER 9040A JACKSON AVE JOINT BASE LEWIS MCCHORD, WA 98431 and the phone number is (253) 968-2090.
Radiology with taxonomy code 2085R0001X and a focus in Radiation Oncology.
