Stephen Lenk, MD
NPI 1851493092 · Diagnostic Radiology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Lenk, MD is a Diagnostic Radiology Physician provider in Seattle, WA (NPI 1851493092).
Provider details
- NPI number
- 1851493092
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD61397065 (WA)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,076 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) |
|---|---|---|
| Screening Mammography77067 | 279 | $33 |
| Screening 3d Breast Mammography77063 | 278 | $26 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 93 | $27 |
| Screening 3d Breast Mammography77063 | 75 | $29 |
| Screening Mammography77067 | 75 | $37 |
| Diagnostic Mammography of 1 Breast77065 | 65 |
Practice location
Mailing address
Additional practice locations (1)
- 3188 Bellevue AveCincinnati, OH 45219-2369Phone: (513) 585-6200
Registry dates
- Enumerated
- 2006-09-01
- Last updated
- 2025-12-02
- Certified
- 2025-12-02
Frequently asked questions
- What is Stephen Lenk's NPI number?
- Stephen Lenk's National Provider Identifier (NPI) is 1851493092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Lenk's specialty?
- Stephen Lenk is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Lenk located?
- Stephen Lenk's practice location on file with NPPES is 825 Eastlake Ave E, Seattle, WA 98109-4405.
- What is Stephen Lenk's phone number?
- The practice phone number listed in the NPPES registry for Stephen Lenk is (206) 520-5000.
- Does Stephen Lenk accept Medicare?
- Stephen Lenk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Lenk's NPI active?
- Yes — Stephen Lenk's NPI (1851493092) is active in the NPPES registry as of the last update on 2025-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.