Leo Flynn, MD
NPI 1831149954 · Diagnostic Radiology Physician · Rapid City, SD
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leo Flynn, MD is a Diagnostic Radiology Physician provider in Rapid City, SD (NPI 1831149954).
Provider details
- NPI number
- 1831149954
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 5393 (SD)
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
6,141 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 | 789 | $8 |
| Piflufolastat F-18, Diagnostic, 1 MillicurieA9595 | 607 | $650 |
| X-Ray of Chest, 2 Views71046 | 322 | $11 |
| X-Ray of Chest, 2 Views71046 | 300 | $11 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 255 | $86 |
| Ct Scan Head Or Brain Without Contrast70450 | 252 | $40 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2013-09-26
Frequently asked questions
- What is Leo Flynn's NPI number?
- Leo Flynn's National Provider Identifier (NPI) is 1831149954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leo Flynn's specialty?
- Leo Flynn is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Leo Flynn located?
- Leo Flynn's practice location on file with NPPES is 2929 5th St Ste 100, Rapid City, SD 57701-7355.
- What is Leo Flynn's phone number?
- The practice phone number listed in the NPPES registry for Leo Flynn is (605) 342-2852.
- Does Leo Flynn accept Medicare?
- Leo Flynn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leo Flynn's NPI active?
- Yes — Leo Flynn's NPI (1831149954) is active in the NPPES registry as of the last update on 2013-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.