Doctor profile · Federal record
Dr. Terence Duffy, MD
Pain Medicine (Physical Medicine & Rehabilitation) Physician (CMS: Physical Medicine and Rehabilitation) · Interventional Pain Medicine Physician · Middletown, DE
- NPI 1740232362
- Accepts Medicare
- MIPS 70.9 / 100 · 2023
- 42 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
291 Carter Dr Ste A
Middletown, DE 197095845
(844) 365-7246
fax (844) 516-0080 - Additional location
-
3105 Limestone RD Ste 300
Wilmington, DE 198082156 - Additional location
-
405 Silverside RD Ste 104
Wilmington, DE 19809 - Additional location
-
4701 Ogletown Stanton RD Ste 1200
Newark, DE 197132079
Show 1 more location
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- February 28, 2025
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 2081P2900X — NUCC code
- State licenses (2)
- Delaware #C1-0012967 · Pennsylvania #MD040009L
- Medicaid
- DE #250571627
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740232362. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11,876
Distinct HCPCS
10
Medicare allowed
$584,163
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
96127 |
Assessment of emotional or behavioral problems | 2,105 | 335 | $5 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 2,040 | 122 | $0 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,367 | 484 | $88 | |
96138 |
Administration of psychological or neuropsychological test by technician, first 30 minutes | 1,320 | 476 | $33 | |
96160 |
Administration and interpretation of patient-focused health risk assessment | 1,043 | 333 | $3 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 794 | 401 | $125 | |
80307 |
Testing for presence of drug, by chemistry analyzers | 514 | 328 | $61 | |
Q9966 |
Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml | 454 | 89 | $0 | |
96372 |
Injection of drug or substance under skin or into muscle | 393 | 156 | $14 | |
G0483 |
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/ms | 370 | 233 | $242 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 383. This provider delivers 31× the peer median.Open Payments
Industry payments received
All-time total
$436
Transactions
15
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| SCILEX PHARMACEUTICALS INC. | 7 | $152.28 | |
| Vertos Medical, Inc. | 1 | $138.13 | |
| Collegium Pharmaceutical, Inc. | 4 | $76.38 | |
| TerSera Therapeutics LLC | 1 | $36.45 | |
| SI-BONE, INC. | 1 | $17.75 | |
| Medtronic, Inc. | 1 | $15.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,173
Patients
759
Total drug cost
$128,721
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 495 | 176 | $15,753 |
| Oxycodone Hcl | Generic | 423 | 138 | $10,255 |
| Gabapentin | Generic | 264 | 82 | $4,115 |
| Pregabalin | Generic | 168 | 50 | $4,955 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 151 | 57 | $3,882 |
| Tramadol Hcl | Generic | 118 | 43 | $1,274 |
| Tizanidine Hcl | Generic | 108 | 36 | $2,145 |
| Morphine Sulfate Er (Morphine Sulfate) | Brand | 88 | 31 | $1,944 |
| Hydromorphone Hcl | Generic | 83 | 36 | $1,547 |
| Xtampza Er (Oxycodone Myristate) | Brand | 56 | 19 | $27,022 |
Frequently asked questions
What is Dr. Terence Duffy's medical specialty?
Dr. Terence Duffy practices Pain Medicine (Physical Medicine & Rehabilitation) Physician in Middletown, DE.
Where does Dr. Terence Duffy practice?
Dr. Terence Duffy practices at 291 Carter Dr Ste A, Middletown, DE 197095845. Office phone: 8443657246.
What is Dr. Terence Duffy's NPI?
Dr. Terence Duffy's National Provider Identifier (NPI) is 1740232362, issued by NPPES.
Does Dr. Terence Duffy accept Medicare assignment?
Yes. Dr. Terence Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Terence Duffy commonly perform?
Top Medicare-reported procedures in 2023: Assessment of emotional or behavioral problems (HCPCS 96127); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.