Nicholas Johnson, M.D.
NPI 1548520695 · Diagnostic Radiology Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Johnson, M.D. is a Diagnostic Radiology Physician provider in Green Bay, WI (NPI 1548520695).
Provider details
- NPI number
- 1548520695
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 66078-20 (WI)
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
14 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
1,416 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 | 139 | $8 |
| X-Ray of Knee, 3 Views73562 | 101 | $20 |
| X-Ray of Foot, Minimum of 3 Views73630 | 99 | $17 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 96 | $17 |
| Ct Scan Head Or Brain Without Contrast70450 | 88 | $36 |
| Ct Scan of Upper Spine Without Contrast72125 | 57 | $44 |
| Mri Scan of Leg Joint Without Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-23
- Last updated
- 2022-09-24
- Certified
- 2022-09-24
Frequently asked questions
- What is Nicholas Johnson's NPI number?
- Nicholas Johnson's National Provider Identifier (NPI) is 1548520695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Johnson's specialty?
- Nicholas Johnson is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Johnson located?
- Nicholas Johnson's practice location on file with NPPES is 835 S Van Buren St, Green Bay, WI 54301-3526.
- What is Nicholas Johnson's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Johnson is (920) 433-0111.
- Does Nicholas Johnson accept Medicare?
- Nicholas Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Johnson's NPI active?
- Yes — Nicholas Johnson's NPI (1548520695) is active in the NPPES registry as of the last update on 2022-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.