NPPES file of Aug 9, 2026

Mark E. Borowsky, MD

Gynecologic Oncology Physician · Newark, DE

Mark E. Borowsky, MD is a gynecologic oncology physician with a practice address in Newark, Delaware, and NPI 1871570044, issued on Dec 28, 2005. Check the license (Delaware C10005136, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871570044
Name
Mark E. Borowsky
Credential
MD
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License number
C10005136 DE
Self-reported in NPPES; status is on the state search
Practice location
4701 Ogletown Stanton RD, Newark, DE 19713
Phone
(302) 623-4285
Enumerated
Dec 28, 2005
Record last updated
Jan 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(302) 623-4155
Medicare enrollment
Enrolled (PECOS I20210126003561); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4701 Ogletown Stanton RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Raafat Abdel-Misih, MDSurgery Physician1821088048
  2. Zohra Ali-Khan Catts, M.S.Genetic Counselor (M.S.)1215960869
  3. Thomas Bauer, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1679551717
  4. Joseph Bennett, M.D.Surgery Physician1619967841
  5. Rebecca Boyd, RDRegistered Dietitian1134555352
  6. Shirley Brogley, APRN,BC-PCMFamily Nurse Practitioner1831397900

Verify Mark E. Borowsky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C10005136
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Delaware license search

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85% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024

30 Medicare Part D claims for 17 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D.

  1. Mark Borowsky30
  2. Specialty average195

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $243.16

12 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Borowsky$243.16
  2. Specialty average$6,387.20

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Hackensack Meridian Health Medical Group - Specialty Care PCRed Bank, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gynecologic Oncology Physician providers in Delaware

There are 8 gynecologic oncology physician records in Delaware.

The 7 gynecologic oncology physician records with the nearest ZIP codes

  1. Mark Cadungog, MDNewark, DE 197131154476190
  2. Stephanie Jean, MDNewark, DE 197131548468259
  3. Arielle Katcher, MDNewark, DE 197131558892463
  4. James Larson, M.D.Newark, DE 197131912921149
  5. Emily WebsterNewark, DE 197131982193603
  6. Charles Whitney, M.D.Newark, DE 197131982628111
  7. Waleed Shalaby, MDWilmington, DE 198051407969587

Common questions

What is Mark E. Borowsky, MD's NPI number?

Mark E. Borowsky, MD's National Provider Identifier (NPI) is 1871570044, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark E. Borowsky, MD located?

The NPPES record lists a practice address at 4701 Ogletown Stanton RD, Newark, DE, 19713. Phone: (302) 623-4285. Providers update this record themselves, so call before visiting.

How can I verify Mark E. Borowsky, MD's license?

NPPES lists Delaware license number C10005136, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark E. Borowsky, MD prescribe under Medicare Part D?

In 2024, Mark E. Borowsky, MD had 30 Medicare Part D claims for 17 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.