Terence F. Duffy, MD
Pain Medicine (Physical Medicine & Rehabilitation) Physician · Middletown, DE
Terence F. Duffy, MD is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Middletown, Delaware, and NPI 1740232362, issued on May 16, 2006. Check the license (Delaware C1-0012967, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Terence F. Duffy
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
- License numbers
- C1-0012967 DE
MD040009L PA
Self-reported in NPPES; status is on the state search - Practice location
- 291 Carter Dr Ste A, Middletown, DE 19709
- Phone
- (844) 365-7246
- Enumerated
- May 16, 2006
- Record last updated
- Feb 28, 2025
- Fax
- (844) 516-0080
- Medicaid ID
- 250571627 DE
- Medicare enrollment
- Enrolled (PECOS I20190624000691); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 12 in Delaware → Look up another NPI →
Also registered at 291 Carter Dr Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dominic Palmer, PA-CPhysician Assistant1801603022
- Omar Soliman, PA-CMedical Physician Assistant1538923180
Verify Terence F. Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0012967Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average pain medicine (physical medicine & rehabilitation) physician in 2024
3,149 Medicare Part D claims for 448 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 1,836 claims were for opioids.
Most prescribed
- Oxycodone Hcl549 claims
- Oxycodone-Acetaminophen482 claims
- Gabapentin274 claims
- Pregabalin199 claims
- Hydrocodone-Acetaminophen185 claims
- Tizanidine Hcl151 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $436.05
15 payments; by number, the most common kind was food and beverage; the largest payer was Scilex Pharmaceuticals Inc. The 1,126 providers of this specialty with any payment received $2,193.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Center For Interventional Pain Spine LLCMiddletown, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Terence F. Duffy among 12 pain medicine (physical medicine & rehabilitation) physician records in Delaware
Terence F. Duffy, MD is one of 12 pain medicine (physical medicine & rehabilitation) physician records with a practice address in Delaware. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 42% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Record last updated2025 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in Delaware
There are 12 pain medicine (physical medicine & rehabilitation) physician records in Delaware.
All 12 in Delaware → Every provider in Middletown → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →
The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes
- Nancy Kim, MDNewark, DE 197131003877580
- Damon Cary, D.O.Newark, DE 197021689720666
- Conrad King, M.D., P.A.Newark, DE 197021730238908
- Jeffery Meyers, MDWilmington, DE 198021366467797
- Gerald Dworkin, D.O.Wilmington, DE 198031578673208
- William Atkins, M.D.Wilmington, DE 198061891918561
- Selina Xing, MDWilmington, DE 198081912986522
- Jason Roth, D.O.Wilmington, DE 198091134514706
Common questions
What is Terence F. Duffy, MD's NPI number?
Terence F. Duffy, MD's National Provider Identifier (NPI) is 1740232362, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terence F. Duffy, MD located?
The NPPES record lists a practice address at 291 Carter Dr Ste A, Middletown, DE, 19709. Phone: (844) 365-7246. Providers update this record themselves, so call before visiting.
How can I verify Terence F. Duffy, MD's license?
NPPES lists Delaware license number C1-0012967, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Terence F. Duffy, MD prescribe under Medicare Part D?
In 2024, Terence F. Duffy, MD had 3,149 Medicare Part D claims for 448 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. Part D covers Medicare prescriptions only.
What is Terence F. Duffy, MD's MIPS final score?
The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.