Doctor profile · Federal record

Dr. Kathryn Blau, M.D., M.S.

Radiation Oncology Physician (CMS: Radiation Oncology) · Seattle, WA

  • NPI 1255862520
  • Accepts Medicare
  • MIPS 95.0 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1959 Ne Pacific St.
Seattle, WA 98195
(206) 598-4121
fax (513) 686-6868
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
September 26, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Washington #MD61314116

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255862520. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
818
Distinct HCPCS
10
Medicare allowed
$76,182
HCPCS Description Services Patients Avg allowed
77300 Calculation of radiation therapy dose 274 31 $35
77014 Ct guidance for insertion of radiation therapy fields 119 47 $48
77334 Design and construction of complex radiation treatment device 84 31 $64
99215 Established patient office or other outpatient visit, 40-54 minutes 41 29 $150
77263 Complex radiation therapy planning 33 31 $179
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 33 31 $88
77295 3d radiation therapy planning 33 31 $240
77427 Radiation treatment management, 5 treatment sessions 32 19 $207
77334 Design and construction of complex radiation treatment device 31 15 $65
99215 Established patient office or other outpatient visit, 40-54 minutes 25 23 $152

In context: peer comparison

Among 27 peers in this city , average services per provider: 74. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
22
Patients
22
Total drug cost
$214
Drug Type Claims Patients Total cost
Dexamethasone Generic 22 22 $214

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Blau's medical specialty?
Dr. Kathryn Blau practices Radiation Oncology Physician in Seattle, WA.
Where does Dr. Kathryn Blau practice?
Dr. Kathryn Blau practices at 1959 Ne Pacific St., Seattle, WA 98195. Office phone: 2065984121.
What is Dr. Kathryn Blau's NPI?
Dr. Kathryn Blau's National Provider Identifier (NPI) is 1255862520, issued by NPPES.
Does Dr. Kathryn Blau accept Medicare assignment?
Yes. Dr. Kathryn Blau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Blau commonly perform?
Top Medicare-reported procedures in 2023: Calculation of radiation therapy dose (HCPCS 77300); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.