Stephen Janas, M.D.
NPI 1093795023 · Diagnostic Radiology Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Janas, M.D. is a Diagnostic Radiology Physician provider in Green Bay, WI (NPI 1093795023).
Provider details
- NPI number
- 1093795023
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 53657 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
1,651 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 224 | $8 |
| Ct Scan of Chest Without Contrast71250 | 118 | $47 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 116 | $78 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 112 | $104 |
| Ct Scan Head Or Brain Without Contrast70450 | 102 | $36 |
| Ct Scan of Chest With Contrast71260 | 82 | $49 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-17
- Last updated
- 2026-04-28
- Certified
- 2026-04-28
Frequently asked questions
- What is Stephen Janas's NPI number?
- Stephen Janas's National Provider Identifier (NPI) is 1093795023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Janas's specialty?
- Stephen Janas is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Janas located?
- Stephen Janas's practice location on file with NPPES is 2845 Greenbrier Rd, Green Bay, WI 54311-6519.
- What is Stephen Janas's phone number?
- The practice phone number listed in the NPPES registry for Stephen Janas is (920) 288-4930.
- Does Stephen Janas accept Medicare?
- Stephen Janas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Janas's NPI active?
- Yes — Stephen Janas's NPI (1093795023) is active in the NPPES registry as of the last update on 2026-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.