Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JUSTYNA JOLANTA KACAROW MD
NPI 1841923356
Internal Medicine - Hematology & Oncology in Newark, DE

Active since July 03, 2022PECOS EnrolledAccepts Medicare Assignment
4755 OGLETOWN STANTON RD, NEWARK, DE 19718(302) 733-4050 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Justyna Jolanta Kacarow Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JUSTYNA JOLANTA KACAROW MD (NPI 1841923356) is an individual hematology & oncology provider in Newark, Delaware, licensed in Delaware (C7-0019436) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS, is affiliated with Einstein Medical Center Montgomery, and maintains a secondary practice location in East Norriton.

NPPES Registry Identity

NPI1841923356
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameJUSTYNA JOLANTA KACAROWCredential: MD
Location Address4755 OGLETOWN STANTON RDNewark, DE 19718-2200
Mailing Address559 W Germantown PikeEast Norriton, PA 19403-4250
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJuly 3, 2022
Last NPPES UpdateJune 23, 2026
NPPES CertifiedJune 23, 2026
NPI 1841923356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in DE · C7-0019436
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 19096 (PA)
4755 OGLETOWN STANTON RD, Newark, DE 19718

Secondary Practice Location 1

Location 1559 W Germantown PikeEast Norriton, PA 19403-4250 · Phone (484) 622-1000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Justyna Jolanta Kacarow Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668987850
PECOS Enrollment IDI20250716001563
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Einstein Medical Center Montgomery

Acute Care Hospitals · East Norriton, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390329
Location559 West Germantown PikeEast Norriton, PA 19403 · Montgomery County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19718 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$173.08 typical visit price
range $57.12 – $173.08
Typical copayment $43.27 (range $14.28 – $43.27)
Most-billed visit code 99205
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Medical)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Practitioner
4755 OGLETOWN STANTON RD, ROOM E1070 CENTER FOR HEART & VASCULAR HEALTH AT CHRIST
NEWARK, DE 19718
Emergency Medicine
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Internal Medicine (Cardiovascular Disease)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Practitioner (Acute Care)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Student in an Organized Health Care Education/Training Program
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Anesthetist, Certified Registered
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Anesthetist, Certified Registered
4755 OGLETOWN STANTON RD
NEWARK, DE 19718

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Justyna Kacarow's NPI number?

The NPI number for Justyna Kacarow is 1841923356. It was assigned to this individual provider in the NPPES registry on July 3, 2022.

Where is Justyna Kacarow located?

Justyna Kacarow practices at 4755 Ogletown Stanton Rd, Newark, DE 19718. The listed phone number is (302) 733-4050.

What is Justyna Kacarow's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Justyna Kacarow enrolled in Medicare?

Yes. Justyna Kacarow is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Justyna Kacarow affiliated with any hospitals?

According to CMS data, Justyna Kacarow is affiliated with Einstein Medical Center Montgomery.

When was this NPI record last updated?

The NPPES record for Justyna Kacarow was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.