Patrick R. Duffy, M.D.
Orthopaedic Surgery Physician · Prospect, CT
Patrick R. Duffy, M.D. is an orthopaedic surgery physician with a practice address in Prospect, Connecticut, and NPI 1912905621, issued on Jul 7, 2005. Check the license (Connecticut 027466, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Patrick R. Duffy
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 027466 CT
Self-reported in NPPES; status is on the state search - Practice location
- 166 Waterbury RD, Prospect, CT 06712
- Phone
- (203) 758-3163
- Enumerated
- Jul 7, 2005
- Record last updated
- Mar 30, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (203) 758-6021
- Medicaid ID
- 001274662 CT
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 348 in Connecticut → Look up another NPI →
Also registered at 166 Waterbury RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carlos Almeida, MDInternal Medicine Physician1588633036
- Alexander Alvarez, M.D.Internal Medicine Physician1447219571
- Jenny Amos-AffulFamily Nurse Practitioner1063358083
- Michael D'Aquila, PTPhysical Therapist1811999568
- Terri Dvorkin, APRNNurse Practitioner1659340198
- Jeffrey Hoerst, DPTPhysical Therapist1851892020
Verify Patrick R. Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 027466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
14 Medicare Part D claims, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Patrick R. Duffy among 348 orthopaedic surgery physician records in Connecticut
Patrick R. Duffy, M.D. is one of 348 orthopaedic surgery physician records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2017 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Connecticut
There are 348 orthopaedic surgery physician records in Connecticut.
All 348 in Connecticut → Every provider in Prospect → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Paul Beauvais, MDWaterbury, CT 067081487731998
- William Flynn, M.D.Waterbury, CT 067081962434514
- Robert Hendrikson, MDWaterbury, CT 067081689755910
- Richard Matza, M.D.Waterbury, CT 067081770511891
- Eric Olson, M.D.Waterbury, CT 067081568563435
- Michael Sermer, M.D.Waterbury, CT 067081700987682
- Glenn Taylor, M.D.Waterbury, CT 067081548292188
- Frederick Watson, M.D.Waterbury, CT 067081740212323
Common questions
What is Patrick R. Duffy, M.D.'s NPI number?
Patrick R. Duffy, M.D.'s National Provider Identifier (NPI) is 1912905621, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Patrick R. Duffy, M.D. located?
The NPPES record lists a practice address at 166 Waterbury RD, Prospect, CT, 06712. Phone: (203) 758-3163. Providers update this record themselves, so call before visiting.
How can I verify Patrick R. Duffy, M.D.'s license?
NPPES lists Connecticut license number 027466, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick R. Duffy, M.D. prescribe under Medicare Part D?
In 2024, Patrick R. Duffy, M.D. had 14 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.