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KATHLEEN BALAZY JAFFE M.D., MPH
NPI 1386031649
Radiology - Radiation Oncology in Portland, OR

Active since April 23, 2015PECOS EnrolledAccepts Medicare Assignment
KAISER PERMANENTE INTERSTATE RADIATION ONCOLOGY, 3620 N INTERSTATE AVE, PORTLAND, OR 97227(503) 280-2931 Get Directions Write a Review

NPPES record last updated: July 16, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 16, 2021, Jun 18, 2021 (2 updates tracked since 2021).

About Kathleen Balazy Jaffe M.d., Mph NPPES

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

KATHLEEN BALAZY JAFFE M.D., MPH (NPI 1386031649) is an individual radiation oncology provider in Portland, Oregon, licensed in Oregon (203975) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2014).

NPPES Registry Identity

NPI1386031649
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameKATHLEEN BALAZY JAFFECredential: M.D., MPH
Location AddressKAISER PERMANENTE INTERSTATE RADIATION ONCOLOGY, 3620 N INTERSTATE AVEPortland, OR 97227-9722
Mailing Address3620 N Interstate AvePortland, OR 97227-1106 · (800) 813-2000
Phone(503) 280-2931
Sole ProprietorYes
Medical School CMSHarvard Medical SchoolGraduated 2014
Enumeration DateApril 23, 2015
Last NPPES UpdateJuly 16, 20212 updates tracked since enumeration
NPPES CertifiedJune 23, 2021
✔ NPI 1386031649 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 OR · 203975✔ Licensed in WA · MD.MD.61148904
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.
KAISER PERMANENTE INTERSTATE RADIATION ONCOLOGY, Portland, OR 97227
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Other Names 1

Former Name (1)Katy Elizabeth Balazy M.d., Mph

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kathleen Balazy Jaffe M.d., Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406259803
PECOS Enrollment IDI20221121001797
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 Reassignments

2

Medicare enrollment records show Kathleen Jaffe reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beaverton Rehab & Specialty Care, LLC
6.4 mi
Skilled Nursing Facility
11850 SW ALLEN BLVD
Beaverton, OR 97005
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
  • Also billed through NPI 1184786527 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1366469330 (503) 646-7164
Marin Cancer Care Inc
526 mi
Hematology & Oncology
1350 S ELISEO DR, SUITE 200
Greenbrae, CA 94904
  • Reassigned Medicare billing, California enrollment
  • 15 clinicians in this Medicare group
NPI 1629370499 (415) 925-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002
Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.
145 services16 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
120 services26 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
112 services24 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
36 services15 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
30 services30 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
30 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97227 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
$176.88 typical visit price
range $58.99 – $176.88
Typical copayment $44.22 (range $14.74 – $44.22)
Most-billed visit code 99205
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
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.

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 Kathleen Jaffe's NPI number?

The NPI number for Kathleen Jaffe is 1386031649. It was assigned to this individual provider in the NPPES registry on April 23, 2015. The provider is also known as Katy Elizabeth Balazy M.D., Mph.

Where is Kathleen Jaffe located?

Kathleen Jaffe practices at Kaiser Permanente Interstate Radiation Oncology 3620 N Interstate Ave, Portland, OR 97227. The listed phone number is (503) 280-2931.

What is Kathleen Jaffe's specialty?

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

Is Kathleen Jaffe enrolled in Medicare?

Yes. Kathleen Jaffe is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kathleen Jaffe's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Jaffe reassigns Medicare benefits to 2 organizations: Beaverton Rehab & Specialty Care, LLC (Beaverton, OR) and Marin Cancer Care Inc (Greenbrae, CA). Each 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 Kathleen Jaffe'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 Kathleen Jaffe was last updated on July 16, 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.