Ralph Duman, MD
NPI 1326003575 · Diagnostic Radiology Physician · Sault Ste Marie, MI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Duman, MD is a Diagnostic Radiology Physician provider in Sault Ste Marie, MI (NPI 1326003575).
Provider details
- NPI number
- 1326003575
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301050500 (MI)
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
352 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) |
|---|---|---|
| Low Dose Ct Scan of Chest for Lung Cancer Screening71271 | 68 | $49 |
| X-Ray of Chest, 1 View71045 | 65 | $8 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 55 | $9 |
| X-Ray of Chest, 2 Views71046 | 44 | $10 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 37 | $95 |
| X-Ray of Hip, 2-3 Views73502 | 26 | $10 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2021-12-20
- Certified
- 2021-12-20
Frequently asked questions
- What is Ralph Duman's NPI number?
- Ralph Duman's National Provider Identifier (NPI) is 1326003575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Duman's specialty?
- Ralph Duman is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Duman located?
- Ralph Duman's practice location on file with NPPES is 500 Osborn Blvd, Sault Ste Marie, MI 49783.
- What is Ralph Duman's phone number?
- The practice phone number listed in the NPPES registry for Ralph Duman is (906) 635-4438.
- Does Ralph Duman accept Medicare?
- Ralph Duman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Duman's NPI active?
- Yes — Ralph Duman's NPI (1326003575) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.