Active NPI
Brian J. Duffy, MD
- Pediatric Surgery Physician
- Wilmington, DE
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Surgery Physician
- License
- 25MA09981900
- Practice address
- 1600 Rockland Road
Wilmington, DE 19803-3607 - Phone
- (302) 651-4000
- Fax
- (302) 651-4945
- NPI assigned
- May 27, 2008
- Last updated
- Jan 26, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Surgery Physician | 2086S0120X | MD435223 | PA | |
| Pediatric Surgery Physician | 2086S0120X | 11013177A | IN | |
| Pediatric Surgery Physician | 2086S0120X | 25MA09981900 | NJ | Primary |
| Trauma Surgery Physician | 2086S0127X | 11013177A | IN | |
| Pediatric Surgery Physician | 2086S0120X | C10008773 | DE |
Addresses
Primary practice location
1600 Rockland Road
Wilmington, DE 19803-3607
Mailing address
PO Box 191
Provider Enrollment Dept
Rockland, DE 19732-0191
Phone (302) 651-6212
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 002634401 | Other | MD | MD DEPT OF HLTH & MENTAL HYGIENE |
| 0169668 | Other | NJ | NJ DEPT OF HLTH DIVISION OF MEDICAL ASSIST & HLTH SVCS |
| 1952569022 | Medicaid | DE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NJ, DE, PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Pediatric Medicine
- Education
- State University of New York at Buffalo School of Medicine, 1999
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1600 Rockland Rd
Wilmington, DE 19803-3607
Phone (302) 651-4200
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C10008773 | DE | MD | Pediatric Surgery Physician |
| 11013177A | IN | MD | Pediatric Surgery Physician |
| 25MA09981900 | NJ | MD | Pediatric Surgery Physician |
| MD435223 | PA | MD | Pediatric Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| St. Luke's Physician Group, Inc. | Current | Accepting new patients | |
| The Nemours Foundation | Current | Accepting new patients | |
| Cooper Surgical Associates, PA | Current | Accepting new patients | |
| The Nemours Foundation | Current | Accepting new patients | |
| Rutgers Health-RWJ Neurosurgery Faculty | Pediatric Surgery | Current | Accepting new patients |
| St. Luke's Physician Group, Inc. | Current | Accepting new patients | |
| St Luke's Physician Group Inc | Current | Accepting new patients | |
| Rutgers Health-RWJ Neurosurgery Faculty | Current | Accepting new patients | |
| St. Luke's Physician Group, Inc. | Past | Accepting new patients | |
| Children's Hospital | Past | Accepting new patients |
Locations
1600 Rockland Rd
Wilmington, DE 19803
1 Cooper Plz
Camden, NJ 08103
Phone (856) 342-2425
1 Federal St
Ste SW200
Camden, NJ 08103
Phone (856) 356-4920
3 Cooper Plz
Rm 411
Camden, NJ 08103
Phone (856) 342-2270
1 Rwj Pl
New Brunswick, NJ 08901
Phone (732) 235-7887
125 Paterson St
Ste 4100
New Brunswick, NJ 08901
Phone (732) 235-7756
1872 St Lukes Blvd
Easton, PA 18045
Phone (484) 503-1200
701 Ostrum St
Ste 102
Fountain Hill, PA 18015
Phone (484) 526-7575
801 Ostrum St
Fountain Hill, PA 18015
Phone (610) 954-2200
Interoperability endpoints
- bduffy7415@direct.nemours.org
Organizations & group practices 11
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
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-
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- Maternal & Fetal Medicine Physician
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NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1211846400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769385600000",
"number": "1952569022",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 191",
"address_2": "PROVIDER ENROLLMENT DEPT",
"city": "ROCKLAND",
"state": "DE",
"postal_code": "197320191",
"telephone_number": "302-651-6212",
"fax_number": "302-651-4945"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1600 ROCKLAND ROAD",
"city": "WILMINGTON",
"state": "DE",
"postal_code": "198033607",
"telephone_number": "302-651-4000",
"fax_number": "302-651-4945"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DUFFY",
"first_name": "BRIAN",
"middle_name": "J.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2008-05-27",
"last_updated": "2026-01-26",
"certification_date": "2026-01-26",
"status": "A"
},
"taxonomies": [
{
"code": "2086S0120X",
"taxonomy_group": "",
"desc": "Surgery, Pediatric Surgery",
"state": "PA",
"license": "MD435223",
"primary": false
},
{
"code": "2086S0120X",
"taxonomy_group": "",
"desc": "Surgery, Pediatric Surgery",
"state": "IN",
"license": "11013177A",
"primary": false
},
{
"code": "2086S0120X",
"taxonomy_group": "",
"desc": "Surgery, Pediatric Surgery",
"state": "NJ",
"license": "25MA09981900",
"primary": true
},
{
"code": "2086S0127X",
"taxonomy_group": "",
"desc": "Surgery, Trauma Surgery",
"state": "IN",
"license": "11013177A",
"primary": false
},
{
"code": "2086S0120X",
"taxonomy_group": "",
"desc": "Surgery, Pediatric Surgery",
"state": "DE",
"license": "C10008773",
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MD DEPT OF HLTH & MENTAL HYGIENE",
"identifier": "002634401",
"state": "MD"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NJ DEPT OF HLTH DIVISION OF MEDICAL ASSIST & HLTH SVCS",
"identifier": "0169668",
"state": "NJ"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1952569022",
"state": "DE"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Wilmington, DE
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.