Physician Profile
Christopher J. Altenhofen, MD
Unclaimed ProfileAbout Dr. Altenhofen
Based in Portland, OR, Christopher J. Altenhofen, MD is listed in the NPI registry under diagnostic radiology. Christopher graduated from Oregon Health Sciences University School of Medicine in 1989. Medicare claims data shows Christopher provided 43,940 services to 1,646 patients. The services billed most often include injection, gadoterate meglumine, 0.1 ml, low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, and mri scan of lower spinal canal without contrast. NPI 1043327547 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (503) 253-1105
- Email not available
Practice Locations
233 NE 102ND AVE
Portland, OR 97220
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
43,940 services · 1,646 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
164 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
153 | As often as other peers in Diagnostic Radiology |
| Mri scan of pelvis before and after contrast | Imaging | 72197 |
109 | More often than most peers in Diagnostic Radiology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
108 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
101 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
94 | As often as other peers in Diagnostic Radiology |
| X-ray of hip, 2-3 views | Imaging | 73502 |
68 | More often than most peers in Diagnostic Radiology |
| Mri scan of upper spinal canal without contrast | Imaging | 72141 |
67 | More often than most peers in Diagnostic Radiology |
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
58 | As often as other peers in Diagnostic Radiology |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
57 | As often as other peers in Diagnostic Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other radiologists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other radiologists in Portland 8
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Oregon Health Sciences University School of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Oregon Health Sciences University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Mri scan of lower spinal canal without contrast 8
Providers in OR who bill this service to Medicare most often.
Common questions
What is Dr. Altenhofen's specialty?
Dr. Altenhofen is a radiologist in Portland, OR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where can I find Dr. Altenhofen?
Dr. Altenhofen is listed at 233 Ne 102Nd Ave, Portland, OR 97220. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Altenhofen?
The number on file is (503) 253-1105. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Altenhofen?
Dr. Altenhofen's National Provider Identifier is 1043327547. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Altenhofen's medical education?
Dr. Altenhofen attended Oregon Health Sciences University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Altenhofen have?
Dr. Altenhofen has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Altenhofen known for?
According to Medicare billing data, Dr. Altenhofen performs imaging including mri scan of lower spinal canal without contrast and x-ray of chest, 2 views. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Altenhofen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Altenhofen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.