Mark Hohenwalter, MD
NPI 1235180068 · Diagnostic Radiology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hohenwalter, MD is a Diagnostic Radiology Physician provider in Milwaukee, WI (NPI 1235180068).
Provider details
- NPI number
- 1235180068
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35584 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
334 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) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 80 | $81 |
| Ct Scan of Chest With Contrast71260 | 34 | $50 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 28 | $120 |
| Ct Scan of Chest With Contrast71260 | 24 | $52 |
| Mri Scan of Abdomen Before and After Contrast74183 | 24 | $97 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 24 | $51 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2014-08-21
Frequently asked questions
- What is Mark Hohenwalter's NPI number?
- Mark Hohenwalter's National Provider Identifier (NPI) is 1235180068, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hohenwalter's specialty?
- Mark Hohenwalter is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hohenwalter located?
- Mark Hohenwalter's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Mark Hohenwalter's phone number?
- The practice phone number listed in the NPPES registry for Mark Hohenwalter is (414) 805-3700.
- Does Mark Hohenwalter accept Medicare?
- Mark Hohenwalter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hohenwalter's NPI active?
- Yes — Mark Hohenwalter's NPI (1235180068) is active in the NPPES registry as of the last update on 2014-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.