Michael Caldwell, MD
NPI 1952444010 · Diagnostic Radiology Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Caldwell, MD is a Diagnostic Radiology Physician provider in Duluth, MN (NPI 1952444010).
Provider details
- NPI number
- 1952444010
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 6422 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
3,325 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 | 596 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 271 | $37 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 252 | $82 |
| X-Ray of Chest, 2 Views71046 | 240 | $10 |
| Ct Scan of Chest With Contrast71260 | 119 | $51 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 115 | $81 |
| Ct Scan of Upper Spine Without Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2011-05-19
Frequently asked questions
- What is Michael Caldwell's NPI number?
- Michael Caldwell's National Provider Identifier (NPI) is 1952444010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Caldwell's specialty?
- Michael Caldwell is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Caldwell located?
- Michael Caldwell's practice location on file with NPPES is 400 East 3rd Street, Duluth, MN 55805.
- What is Michael Caldwell's phone number?
- The practice phone number listed in the NPPES registry for Michael Caldwell is (218) 786-8160.
- Does Michael Caldwell accept Medicare?
- Michael Caldwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Caldwell's NPI active?
- Yes — Michael Caldwell's NPI (1952444010) is active in the NPPES registry as of the last update on 2011-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.