Walter Gradek, MD
NPI 1164490892 · Cardiovascular Disease Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Gradek, MD is a Cardiovascular Disease Physician provider in Seattle, WA (NPI 1164490892).
Provider details
- NPI number
- 1164490892
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 046107 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,560 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 494 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 239 | $72 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 172 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 151 | $141 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 83 | $7 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 300 | 93 |
| Atorvastatin Calcium | 180 | 58 |
| Amlodipine Besylate | 156 | 53 |
| Apixabanbrand: Eliquis | 147 | 42 |
| Losartan Potassium | 113 | 34 |
| Lisinopril | 90 | 30 |
| Furosemide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-09
- Last updated
- 2019-03-11
Frequently asked questions
- What is Walter Gradek's NPI number?
- Walter Gradek's National Provider Identifier (NPI) is 1164490892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Gradek's specialty?
- Walter Gradek is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Gradek located?
- Walter Gradek's practice location on file with NPPES is 1600 E Jefferson St Ste 600, Seattle, WA 98122.
- What is Walter Gradek's phone number?
- The practice phone number listed in the NPPES registry for Walter Gradek is (206) 861-8550.
- Does Walter Gradek accept Medicare?
- Walter Gradek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Gradek's NPI active?
- Yes — Walter Gradek's NPI (1164490892) is active in the NPPES registry as of the last update on 2019-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.