David Alexander
NPI 1932135936 · Diagnostic Radiology Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Alexander is a Diagnostic Radiology Physician provider in Duluth, MN (NPI 1932135936).
Provider details
- NPI number
- 1932135936
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 38087 (MN)
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
857 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) |
|---|---|---|
| Screening Mammography77067 | 186 | $34 |
| Screening 3d Breast Mammography77063 | 144 | $27 |
| X-Ray of Chest, 1 View71045 | 86 | $8 |
| Screening 3d Breast Mammography77063 | 58 | $27 |
| Screening Mammography77067 | 58 | $34 |
| X-Ray of Chest, 2 Views71046 | 55 | $10 |
| Ct Scan Head Or Brain Without Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2011-05-19
Frequently asked questions
- What is David Alexander's NPI number?
- David Alexander's National Provider Identifier (NPI) is 1932135936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Alexander's specialty?
- David Alexander is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is David Alexander located?
- David Alexander's practice location on file with NPPES is 400 E 3rd St, Duluth, MN 55805-1951.
- What is David Alexander's phone number?
- The practice phone number listed in the NPPES registry for David Alexander is (218) 786-8364.
- Does David Alexander accept Medicare?
- David Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Alexander's NPI active?
- Yes — David Alexander's NPI (1932135936) 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.