Patrick Duffy, M.D.
NPI 1922258532 · Diagnostic Radiology Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Duffy, M.D. is a Diagnostic Radiology Physician provider in Hartford, CT (NPI 1922258532).
Provider details
- NPI number
- 1922258532
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 257908 (MA)
Specialties & taxonomies
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
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,897 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 | 391 | $9 |
| X-Ray of Chest, 2 Views71046 | 234 | $11 |
| Ct Scan of Chest Without Contrast71250 | 154 | $51 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 127 | $87 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 84 | $35 |
| Ct Scan Head Or Brain Without Contrast70450 | 77 | $40 |
| Ct Scan of Abdomen and Pelvis Without Contrast |
Practice location
Mailing address
Additional practice locations (3)
- 111 Founders Plz Ste 400East Hartford, CT 06108-3240Phone: (860) 289-3375
- 1450 Chapel StNew Haven, CT 06511-4405Phone: (203) 789-3000
- 1450 Chapel StNew Haven, CT 06511-4405Phone: (203) 789-3000
Registry dates
- Enumerated
- 2008-09-19
- Last updated
- 2018-03-17
Frequently asked questions
- What is Patrick Duffy's NPI number?
- Patrick Duffy's National Provider Identifier (NPI) is 1922258532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Duffy's specialty?
- Patrick Duffy is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Duffy located?
- Patrick Duffy's practice location on file with NPPES is 85 Seymour St Ste 200, Hartford, CT 06106-5509.
- What is Patrick Duffy's phone number?
- The practice phone number listed in the NPPES registry for Patrick Duffy is (860) 246-6589.
- Does Patrick Duffy accept Medicare?
- Patrick Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Duffy's NPI active?
- Yes — Patrick Duffy's NPI (1922258532) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.