Active NPI
Catherine Teresa Byrnes, DO
- Pediatrics Physician
- Wilmington, DE
National Provider Identifier
1679401558
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- C7-0019325
- Practice address
- 1600 Rockland Rd Ste 3D16
Wilmington, DE 19803-3607 - Phone
- (302) 651-5874
- Fax
- (302) 651-5954
- NPI assigned
- May 12, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | C7-0019325 | DE | Primary |
Addresses
Primary practice location
1600 Rockland Rd Ste 3D16
Wilmington, DE 19803-3607
Mailing address
1600 Rockland Rd Ste 3D16
Wilmington, DE 19803-3607
Phone (302) 651-5874
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C7-0019325 | DE | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1778544000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778544000000",
"number": "1679401558",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1600 ROCKLAND RD STE 3D16",
"city": "WILMINGTON",
"state": "DE",
"postal_code": "198033607",
"telephone_number": "302-651-5874",
"fax_number": "302-651-5954"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1600 ROCKLAND RD STE 3D16",
"city": "WILMINGTON",
"state": "DE",
"postal_code": "198033607",
"telephone_number": "302-651-5874",
"fax_number": "302-651-5954"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BYRNES",
"first_name": "CATHERINE",
"middle_name": "TERESA",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-05-12",
"last_updated": "2026-05-12",
"certification_date": "2026-05-11",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "DE",
"license": "C7-0019325",
"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 May 12, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.