MARK E BOROWSKY MD
NPI 1871570044
Obstetrics & Gynecology - Gynecologic Oncology in Newark, DE
About Mark E Borowsky Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK E BOROWSKY MD (NPI 1871570044) is an individual gynecologic oncology provider in Newark, Delaware, licensed in Delaware (C10005136) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Riverview Medical Center, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark E Borowsky 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.
Medicare Billing Reassignments
2Medicare enrollment records show Mark Borowsky reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 306 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 2,844 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riverview Medical Center
Acute Care Hospitals · Red Bank, NJOcean Medical Center
Acute Care Hospitals · Brick, NJJersey Shore University Medical Center
Acute Care Hospitals · Neptune, NJJfk Medical Center
Acute Care Hospitals · Edison, NJSouthern Ocean Medical Center
Acute Care Hospitals · Manahawkin, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
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 Mark Borowsky's NPI number?
The NPI number for Mark Borowsky is 1871570044. It was assigned to this individual provider in the NPPES registry on December 28, 2005.
Where is Mark Borowsky located?
Mark Borowsky practices at 4701 Ogletown Stanton Rd Suite 2335, Newark, DE 19713. The listed phone number is (302) 623-4285.
What is Mark Borowsky's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Mark Borowsky enrolled in Medicare?
Yes. Mark Borowsky 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.
Which organizations bill Medicare for Mark Borowsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Borowsky reassigns Medicare benefits to 2 organizations: Hackensack Meridian Health Medical Group - Complex Care PC (Red Bank, NJ) and Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Borowsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Borowsky accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Mark Borowsky as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Borowsky affiliated with any hospitals?
According to CMS data, Mark Borowsky is affiliated with Riverview Medical Center, Ocean Medical Center, Jersey Shore University Medical Center, Jfk Medical Center and Southern Ocean Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Borowsky was last updated on January 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.