Christopher Fischer, M.D.
NPI 1679736755 · Nuclear Medicine Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Fischer, M.D. is a Nuclear Medicine Physician provider in Sioux Falls, SD (NPI 1679736755).
Provider details
- NPI number
- 1679736755
- Entity type
- Individual
- Primary specialty
- Nuclear Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 7516 (SD)
Specialties & taxonomies
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
17 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
3,839 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 | 796 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 368 | $82 |
| X-Ray of Chest, 2 Views71046 | 347 | $10 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 258 | $107 |
| X-Ray of Chest, 2 Views71046 | 173 | $10 |
| Ct Scan of Chest Without Contrast71250 | 140 | $48 |
| Ct Scan of Blood Vessels of Chest With Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-08
- Last updated
- 2022-04-06
- Certified
- 2022-04-06
Frequently asked questions
- What is Christopher Fischer's NPI number?
- Christopher Fischer's National Provider Identifier (NPI) is 1679736755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Fischer's specialty?
- Christopher Fischer is listed in the NPPES registry with a primary specialty of Nuclear Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Fischer located?
- Christopher Fischer's practice location on file with NPPES is 1205 S Grange Ave, Sioux Falls, SD 57105.
- What is Christopher Fischer's phone number?
- The practice phone number listed in the NPPES registry for Christopher Fischer is (605) 328-2170.
- Does Christopher Fischer accept Medicare?
- Christopher Fischer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Fischer's NPI active?
- Yes — Christopher Fischer's NPI (1679736755) is active in the NPPES registry as of the last update on 2022-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.