Brian Christenson, M.D.
NPI 1093988040 · Diagnostic Radiology Physician · Billings, MT
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Christenson, M.D. is a Diagnostic Radiology Physician provider in Billings, MT (NPI 1093988040).
Provider details
- NPI number
- 1093988040
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 33661 (MT)
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
18 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
5,262 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 Chest, 1 View71045 | 760 | $8 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 579 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 401 | $38 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 170 | $20 |
| X-Ray of Chest, 2 Views71046 | 158 | $10 |
| X-Ray of Knee, 1-2 Views73560 | 158 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-10
- Last updated
- 2014-11-19
Frequently asked questions
- What is Brian Christenson's NPI number?
- Brian Christenson's National Provider Identifier (NPI) is 1093988040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Christenson's specialty?
- Brian Christenson is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Christenson located?
- Brian Christenson's practice location on file with NPPES is 1233 N 30th St, Billings, MT 59101-0127.
- What is Brian Christenson's phone number?
- The practice phone number listed in the NPPES registry for Brian Christenson is (406) 237-5491.
- Does Brian Christenson accept Medicare?
- Brian Christenson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Christenson's NPI active?
- Yes — Brian Christenson's NPI (1093988040) is active in the NPPES registry as of the last update on 2014-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.