Brian Parker, M.D.
NPI 1841405495 · Diagnostic Radiology Physician · Marshfield, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Parker, M.D. is a Diagnostic Radiology Physician provider in Marshfield, WI (NPI 1841405495).
Provider details
- NPI number
- 1841405495
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 45621 (WI)
Specialties & taxonomies
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
19 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
2,177 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 Knee, 3 Views73562 | 251 | $9 |
| X-Ray of Foot, Minimum of 3 Views73630 | 244 | $8 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 242 | $9 |
| X-Ray of Hip, 2-3 Views73502 | 191 | $10 |
| X-Ray of Hand, Minimum of 3 Views73130 | 123 | $8 |
| X-Ray of Ankle, Minimum of 3 Views73610 | 100 | $8 |
| X-Ray of Knee, 4 Or More Views73564 | 82 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-14
- Last updated
- 2023-06-13
- Certified
- 2023-06-13
Frequently asked questions
- What is Brian Parker's NPI number?
- Brian Parker's National Provider Identifier (NPI) is 1841405495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Parker's specialty?
- Brian Parker is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Parker located?
- Brian Parker's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449-5703.
- What is Brian Parker's phone number?
- The practice phone number listed in the NPPES registry for Brian Parker is (715) 389-3555.
- Does Brian Parker accept Medicare?
- Brian Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Parker's NPI active?
- Yes — Brian Parker's NPI (1841405495) is active in the NPPES registry as of the last update on 2023-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.