Active NPI
Martin F Konwinski, MD
- Hematology & Oncology Physician
- Wilmington, DE
National Provider Identifier
1932159316
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- MD026239Y
- Practice address
- 1601 Kirkwood Hwy
Wilmington, DE 19805-4917 - Phone
- (302) 633-5302
- Fax
- (302) 633-5582
- NPI assigned
- May 10, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | MD026239Y | PA | Primary |
Addresses
Primary practice location
1601 Kirkwood Hwy
Wilmington, DE 19805-4917
Mailing address
1601 Kirkwood Hwy
Wilmington, DE 19805-4917
Phone (302) 633-5302
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: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147219200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1932159316",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1601 KIRKWOOD HWY",
"city": "WILMINGTON",
"state": "DE",
"postal_code": "198054917",
"telephone_number": "302-633-5302",
"fax_number": "302-633-5582"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1601 KIRKWOOD HWY",
"city": "WILMINGTON",
"state": "DE",
"postal_code": "198054917",
"telephone_number": "302-633-5302",
"fax_number": "302-633-5582"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KONWINSKI",
"first_name": "MARTIN",
"middle_name": "F",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-10",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "PA",
"license": "MD026239Y",
"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 Jul 13, 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.