Mack Karnes, M.D.
NPI 1225072721 · Diagnostic Radiology Physician · St Francis, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mack Karnes, M.D. is a Diagnostic Radiology Physician provider in St Francis, WI (NPI 1225072721).
Provider details
- NPI number
- 1225072721
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 21496 (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
20 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
6,017 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 | 1,093 | $39 |
| X-Ray of Chest, 2 Views71046 | 930 | $31 |
| Screening Mammography77067 | 625 | $117 |
| Screening 3d Breast Mammography77063 | 623 | $48 |
| X-Ray of Hip, 2-3 Views73502 | 548 | $43 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 522 | $31 |
| X-Ray of Wrist, Minimum of 3 Views73110 |
Practice location
Mailing address
Additional practice locations (1)
- 2875 S 171st StNew Berlin, WI 53151-3511Phone: (262) 786-3107Fax: (262) 780-0442
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2024-08-19
- Certified
- 2024-08-19
Frequently asked questions
- What is Mack Karnes's NPI number?
- Mack Karnes's National Provider Identifier (NPI) is 1225072721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mack Karnes's specialty?
- Mack Karnes is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mack Karnes located?
- Mack Karnes's practice location on file with NPPES is 2000 E Layton Ave, St Francis, WI 53235-6053.
- What is Mack Karnes's phone number?
- The practice phone number listed in the NPPES registry for Mack Karnes is (414) 744-6589.
- Does Mack Karnes accept Medicare?
- Mack Karnes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mack Karnes's NPI active?
- Yes — Mack Karnes's NPI (1225072721) is active in the NPPES registry as of the last update on 2024-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.