Terence Duffy, MD
NPI 1740232362 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · Middletown, DE
Provider details
- NPI number
- 1740232362
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD040009L (PA)
Specialties & taxonomies
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianPrimary2081P2900XLicense C1-0012967 (DE)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
9,141 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Assessment of Emotional Or Behavioral Problems96127 | 4,445 | $4 |
| Administration and Interpretation of Patient-Focused Health Risk Assessment96160 | 1,425 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,022 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 484 | $116 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0483 | 368 | $242 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$436 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 4701 Ogletown Stanton Rd Ste 1200Newark, DE 19713-2079Phone: (844) 365-7246Fax: (844) 516-0080
- 3105 Limestone Rd Ste 300Wilmington, DE 19808-2156Phone: (844) 365-7246Fax: (844) 516-0080
- 405 Silverside Rd Ste 104Wilmington, DE 19809Phone: (844) 365-7246Fax: (844) 516-0080
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2025-02-28
- Certified
- 2025-02-28
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.