Christopher Altenhofen, MD
NPI 1043327547 · Diagnostic Radiology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Altenhofen, MD is a Diagnostic Radiology Physician provider in Portland, OR (NPI 1043327547).
Provider details
- NPI number
- 1043327547
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD16799 (OR)
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
1,898 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) |
|---|---|---|
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 164 | $202 |
| X-Ray of Chest, 2 Views71046 | 153 | $17 |
| Mri Scan of Pelvis Before and After Contrast72197 | 109 | $363 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 108 | $41 |
| Ct Scan of Chest With Contrast71260 | 101 | $83 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 94 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Christopher Altenhofen's NPI number?
- Christopher Altenhofen's National Provider Identifier (NPI) is 1043327547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Altenhofen's specialty?
- Christopher Altenhofen is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Altenhofen located?
- Christopher Altenhofen's practice location on file with NPPES is 233 Ne 102nd Ave, Portland, OR 97220.
- What is Christopher Altenhofen's phone number?
- The practice phone number listed in the NPPES registry for Christopher Altenhofen is (503) 253-1105.
- Does Christopher Altenhofen accept Medicare?
- Christopher Altenhofen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Altenhofen's NPI active?
- Yes — Christopher Altenhofen's NPI (1043327547) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.