Active NPI
Richard T D'Alonzo, M.D.
- Adult Reconstructive Orthopaedic Surgery Physician
- Wilmington, DE
National Provider Identifier
1124068671
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Adult Reconstructive Orthopaedic Surgery Physician
- License
- C1-0000574
- Practice address
- 7TH and Clayton Streets
Suite 600 Medical Services BLDG
Wilmington, DE 19805 - Phone
- (302) 655-9495
- Fax
- (302) 351-4896
- NPI assigned
- Jun 6, 2006
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Orthopaedic Surgery Physician | 207X00000X | C1-0000574 | DE | |
| Adult Reconstructive Orthopaedic Surgery Physician | 207XS0114X | C1-0000574 | DE | Primary |
Addresses
Primary practice location
7TH and Clayton Streets
Suite 600 Medical Services BLDG
Wilmington, DE 19805
Mailing address
7TH and Clayton Streets
Suite 600 Medical Services BLDG
Wilmington, DE 19805
Phone (302) 655-9495
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C1-0000574 | DE | MD | Orthopaedic Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regional Orthopaedic Associates PA | Orthopaedic Surgery | Past | Accepting new patients |
| Regional Orthopaedic Associates PA | Orthopaedic Surgery | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Orthopaedic Surgery Physician
- Newark, DE
- NPI 1700458874
-
- Orthopaedic Surgery Physician
- Newark, DE
- NPI 1972663995
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149552000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1124068671",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7TH AND CLAYTON STREETS",
"address_2": "SUITE 600 MEDICAL SERVICES BLDG",
"city": "WILMINGTON",
"state": "DE",
"postal_code": "19805",
"telephone_number": "302-655-9495",
"fax_number": "302-351-4896"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7TH AND CLAYTON STREETS",
"address_2": "SUITE 600 MEDICAL SERVICES BLDG",
"city": "WILMINGTON",
"state": "DE",
"postal_code": "19805",
"telephone_number": "302-655-9495",
"fax_number": "302-351-4896"
}
],
"practiceLocations": [],
"basic": {
"last_name": "D'ALONZO",
"first_name": "RICHARD",
"middle_name": "T",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-06",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "DE",
"license": "C1-0000574",
"primary": false
},
{
"code": "207XS0114X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery",
"state": "DE",
"license": "C1-0000574",
"primary": true
}
],
"identifiers": [],
"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 Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.