Doctor profile · Federal record

Dr. Atis Barzdins, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Seattle, WA

  • NPI 1275640179
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1101 Madison St Ste 301
Seattle, WA 981043599
(206) 505-1300
Additional location
1909 214Th St Se Ste 300
Bothell, WA 980214418
(425) 412-7200
fax (425) 412-7350
Additional location
601 S Carr RD Ste 100
Renton, WA 980555802
(425) 227-3700
fax (425) 227-3115
Show 1 more location
Additional location
900 Sw 16Th St, Suite #100
Renton, WA 980572631
(425) 204-7480
fax (425) 204-7482
Mailing address
900 Sw 16Th St, Suite #100
Renton, WA 980572631

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 16, 2021
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Washington #MD60197472

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275640179. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
774
Distinct HCPCS
10
Medicare allowed
$68,995
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 190 102 $134
96413 Administration of chemotherapy into vein, 1 hour or less 116 24 $143
96375 Injection of additional new drug or substance into vein 86 18 $17
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 81 40 $67
J3489 Injection, zoledronic acid, 1 mg 74 12 $8
96372 Injection of drug or substance under skin or into muscle 58 16 $14
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 45 14 $21
99215 Established patient office or other outpatient visit, 40-54 minutes 39 32 $188
99204 New patient office or other outpatient visit, 45-59 minutes 36 36 $172
J1200 Injection, diphenhydramine hcl, up to 50 mg 30 13 $1

In context: peer comparison

Among 60 peers in this city , average services per provider: 225. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
540
Patients
82
Total drug cost
$687,701
Drug Type Claims Patients Total cost
Xarelto (Rivaroxaban) Brand 110 18 $99,743
Eliquis (Apixaban) Brand 60 18 $61,953
Hydroxyurea Generic 53 0 $2,404
Anastrozole Generic 50 14 $1,044
Prednisone Generic 43 16 $321
Dexamethasone Generic 40 16 $928
Tamoxifen Citrate Generic 29 0 $641
Bicalutamide Generic 25 0 $479
Abiraterone Acetate Generic 23 0 $54,912
Furosemide Generic 21 0 $100

Frequently asked questions

Auto-generated from federal data
What is Dr. Atis Barzdins's medical specialty?
Dr. Atis Barzdins practices Hematology & Oncology Physician in Seattle, WA.
Where does Dr. Atis Barzdins practice?
Dr. Atis Barzdins practices at 1101 Madison St Ste 301, Seattle, WA 981043599. Office phone: 2065051300.
What is Dr. Atis Barzdins's NPI?
Dr. Atis Barzdins's National Provider Identifier (NPI) is 1275640179, issued by NPPES.
Does Dr. Atis Barzdins accept Medicare assignment?
Yes. Dr. Atis Barzdins accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Atis Barzdins commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of chemotherapy into vein (HCPCS 96413); Injection of additional new drug or substance into vein (HCPCS 96375). Source: CMS Medicare Physician & Other Practitioners file.