Eric Niendorf, MD
NPI 1780685404 · Diagnostic Radiology Physician · Eau Claire, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Niendorf, MD is a Diagnostic Radiology Physician provider in Eau Claire, WI (NPI 1780685404).
Provider details
- NPI number
- 1780685404
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 47740 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,092 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 | 240 | $35 |
| Screening 3d Breast Mammography77063 | 237 | $28 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 227 | $84 |
| X-Ray of Chest, 1 View71045 | 201 | $8 |
| X-Ray of Chest, 2 Views71046 | 166 | $10 |
| Ct Scan of Chest With Contrast71260 | 135 | $52 |
Practice location
Mailing address
Additional practice locations (1)
- 3300 Oakdale Ave NRobbinsdale, MN 55422-2926Phone: (763) 559-2171
Registry dates
- Enumerated
- 2005-08-03
- Last updated
- 2020-09-14
- Certified
- 2020-09-14
Frequently asked questions
- What is Eric Niendorf's NPI number?
- Eric Niendorf's National Provider Identifier (NPI) is 1780685404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Niendorf's specialty?
- Eric Niendorf is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Niendorf located?
- Eric Niendorf's practice location on file with NPPES is 1400 Bellinger St, Eau Claire, WI 54703-5222.
- What is Eric Niendorf's phone number?
- The practice phone number listed in the NPPES registry for Eric Niendorf is (715) 883-8522.
- Does Eric Niendorf accept Medicare?
- Eric Niendorf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Niendorf's NPI active?
- Yes — Eric Niendorf's NPI (1780685404) is active in the NPPES registry as of the last update on 2020-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.