John Flynn, M.D.
NPI 1073857389 · Diagnostic Radiology Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Flynn, M.D. is a Diagnostic Radiology Physician provider in Hartford, CT (NPI 1073857389).
Provider details
- NPI number
- 1073857389
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0093267 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
3,280 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 | 1,318 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 311 | $42 |
| X-Ray of Chest, 2 Views71046 | 175 | $11 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 156 | $91 |
| X-Ray of Abdomen, 1 View74018 | 132 | $9 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 93 | $87 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-11-27
- Last updated
- 2025-07-10
- Certified
- 2025-07-10
Frequently asked questions
- What is John Flynn's NPI number?
- John Flynn's National Provider Identifier (NPI) is 1073857389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Flynn's specialty?
- John Flynn is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Flynn located?
- John Flynn's practice location on file with NPPES is 114 Woodland St, Hartford, CT 06105-1208.
- What is John Flynn's phone number?
- The practice phone number listed in the NPPES registry for John Flynn is (203) 426-3002.
- Does John Flynn accept Medicare?
- John Flynn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Flynn's NPI active?
- Yes — John Flynn's NPI (1073857389) is active in the NPPES registry as of the last update on 2025-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.