Active NPI
Justyna Jolanta Kacarow, MD
- Hematology & Oncology Physician
- Newark, DE
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- C7-0019436
- Practice address
- 4755 Ogletown Stanton Rd
Newark, DE 19718-2200 - Phone
- (302) 733-4050
- NPI assigned
- Jul 3, 2022
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | C7-0019436 | DE | Primary |
| Internal Medicine Physician | 207R00000X | 19096 | PA |
Addresses
Primary practice location
4755 Ogletown Stanton Rd
Newark, DE 19718-2200
Mailing address
559 W Germantown Pike
East Norriton, PA 19403-4250
Other practice location 1
559 W Germantown Pike
East Norriton, PA 19403-4250
Phone (484) 622-1000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- 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
- Internal Medicine
- Education
- Other, 2021
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
101 E Olney Ave
Suite 400
Philadelphia, PA 19120-2470
Hospital & facility affiliations
- Jefferson Einstein Montgomery Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 19096 | PA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Einstein Community Health Associates, Inc | Internal Medicine | Current | Accepting new patients |
| Fornance Physician Services, Inc | Current | Accepting new patients | |
| Einstein Community Health Associates, Inc | Current | Accepting new patients | |
| Fornance Physician Services, Inc. | Current | Accepting new patients | |
| Fornance Physician Services, Inc. | Internal Medicine | Current | Accepting new patients |
| Hospitalist Medicine Physicians of Pennsylvania, P.C. | Internal Medicine | Current | Accepting new patients |
| Einstein Medical Center Montgomery | Past | Accepting new patients | |
| Albert Gallatin Home Care and Hospice Services, LLC | Past | Accepting new patients |
Locations
609 W Germantown Pike
Ste 270
East Norriton, PA 19403
Phone (484) 622-7100
342 W Germantown Pike
Ste 200
Norristown, PA 19403
Phone (610) 279-1500
1330 Powell St
Ste 308
Norristown, PA 19401
Phone (484) 622-7371
5501 York Rd
Ste 1
Philadelphia, PA 19141
Phone (215) 456-6500
101 E Olney Ave
Ste C5
Philadelphia, PA 19120
Phone (215) 927-1937
1368 Mall Run Rd
Ste 628
Uniontown, PA 15401
Phone (724) 438-6660
559 W Germantown Pike
West Norriton, PA 19403
Phone (484) 622-1000
Organizations & group practices 8
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.
-
- Family Medicine Physician
- Phila, PA
- NPI 1558316109
-
- Obstetrics & Gynecology Physician
- Norristown, PA
- NPI 1053363523
-
- Internal Medicine Physician
- Somerset, PA
- NPI 1639464308
-
- Internal Medicine Physician
- Philadelphia, PA
- NPI 1427662931
-
- Neurological Surgery Physician
- Plymouth Meeting, PA
- NPI 1699459388
-
- Family Medicine Physician
- East Norriton, PA
- NPI 1760423230
Internal Medicine
-
- Home Health Agency
- Uniontown, PA
- NPI 1598719379
-
- General Acute Care Hospital
- East Norriton, PA
- NPI 1104192590
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- East Norriton, PA
- NPI 1104192590
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1656806400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782172800000",
"number": "1841923356",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "559 W GERMANTOWN PIKE",
"city": "EAST NORRITON",
"state": "PA",
"postal_code": "194034250"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4755 OGLETOWN STANTON RD",
"city": "NEWARK",
"state": "DE",
"postal_code": "197182200",
"telephone_number": "302-733-4050"
}
],
"practiceLocations": [
{
"address_1": "559 W Germantown Pike",
"address_purpose": "LOCATION",
"city": "East Norriton",
"state": "PA",
"postal_code": "194034250",
"country_code": "US",
"telephone_number": "484-622-1000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KACAROW",
"first_name": "JUSTYNA",
"middle_name": "JOLANTA",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-07-03",
"last_updated": "2026-06-23",
"certification_date": "2026-06-23",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "DE",
"license": "C7-0019436",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "PA",
"license": "19096",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Newark, DE
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.