Atis Barzdins, M.D.
NPI 1275640179 · Hematology & Oncology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Atis Barzdins, M.D. is a Hematology & Oncology Physician provider in Seattle, WA (NPI 1275640179).
Provider details
- NPI number
- 1275640179
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60197472 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
765 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 232 | $131 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 123 | $17 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 102 | $135 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 90 | $66 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 78 | $15 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rivaroxabanbrand: Xarelto | 87 | 23 |
| Apixabanbrand: Eliquis | 63 | 17 |
| Anastrozole | 57 | 13 |
| Prednisone | 48 | 16 |
| Tamoxifen Citrate | 37 | — |
| Hydroxyurea | 35 | — |
| Alendronate Sodium | 30 | — |
Practice location
Mailing address
Additional practice locations (3)
- 1909 214th St Se Ste 300Bothell, WA 98021-4418Phone: (425) 412-7200Fax: (425) 412-7350
- 900 Sw 16th StSuite #100Renton, WA 98057-2631Phone: (425) 204-7480Fax: (425) 204-7482
- 601 S Carr Rd Ste 100Renton, WA 98055-5802Phone: (425) 227-3700Fax: (425) 227-3115
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2021-04-16
- Certified
- 2021-04-16
Frequently asked questions
- What is Atis Barzdins's NPI number?
- Atis Barzdins's National Provider Identifier (NPI) is 1275640179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Atis Barzdins's specialty?
- Atis Barzdins is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Atis Barzdins located?
- Atis Barzdins's practice location on file with NPPES is 1101 Madison St Ste 301, Seattle, WA 98104-3599.
- What is Atis Barzdins's phone number?
- The practice phone number listed in the NPPES registry for Atis Barzdins is (206) 505-1300.
- Does Atis Barzdins accept Medicare?
- Atis Barzdins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Atis Barzdins's NPI active?
- Yes — Atis Barzdins's NPI (1275640179) is active in the NPPES registry as of the last update on 2021-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.