Active NPI
Karen J Lefrak, MD
- Emergency Medicine Physician
- Elkton, MD
National Provider Identifier
1972582989
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- D0062643
- Practice address
- 106 Bow St
Elkton, MD 21921 - Phone
- (410) 387-4000
- NPI assigned
- Jan 10, 2006
- 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 |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | D0062643 | MD | Primary |
Addresses
Primary practice location
106 Bow St
Elkton, MD 21921
Mailing address
PO Box 3012
Wilmington, DE 19804
Phone (302) 224-5678
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- Jefferson Medical College of Thomas Jefferson University, 2002
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
1 Zotec Way
Carmel, IN 46032-0052
324 E Main St
Hockessin, DE 19707-7150
Hospital & facility affiliations
- Union Hospital of Cecil County
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D0062643 | MD | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Doctors for Emergency Service | Emergency Medicine | Current | Accepting new patients |
| Christiana Care Emergency Physicians LLC | Emergency Medicine | Current | Accepting new patients |
| Christiana Care Emergency Physicians LLC | Emergency Medicine | Current | Accepting new patients |
Locations
106 Bow St
Elkton, MD 21921
Phone (410) 298-2000
Organizations & group practices 3
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.
-
- Emergency Medicine Physician
- Elkton, MD
- NPI 1871375899
-
- Emergency Medicine Physician
- Newark, DE
- NPI 1639956451
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Elkton, MD
- NPI 1376523357
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1136851200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1972582989",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 3012",
"city": "WILMINGTON",
"state": "DE",
"postal_code": "19804",
"telephone_number": "302-224-5678",
"fax_number": "302-224-2848"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "106 BOW ST",
"city": "ELKTON",
"state": "MD",
"postal_code": "21921",
"telephone_number": "410-387-4000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LEFRAK",
"first_name": "KAREN",
"middle_name": "J",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-01-10",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "MD",
"license": "D0062643",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Elkton, MD
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.
- 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.