Patrick Duffy, M.D.
NPI 1912905621 · Orthopaedic Surgery Physician · Prospect, CT
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Duffy, M.D. is a Orthopaedic Surgery Physician provider in Prospect, CT (NPI 1912905621).
Provider details
- NPI number
- 1912905621
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 027466 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2017-03-30
Frequently asked questions
- What is Patrick Duffy's NPI number?
- Patrick Duffy's National Provider Identifier (NPI) is 1912905621, 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 Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Duffy located?
- Patrick Duffy's practice location on file with NPPES is 166 Waterbury Rd, Prospect, CT 06712-1200.
- What is Patrick Duffy's phone number?
- The practice phone number listed in the NPPES registry for Patrick Duffy is (203) 758-3163.
- 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 (1912905621) is active in the NPPES registry as of the last update on 2017-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.