NPPES file of Aug 9, 2026

Mark G. Cadungog, MD

Gynecologic Oncology Physician · Newark, DE

Mark G. Cadungog, MD is a gynecologic oncology physician with a practice address in Newark, Delaware, and NPI 1154476190, issued on Jan 23, 2007. Check the license (Delaware C1-0008694, 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
1154476190
Name
Mark G. Cadungog
Credential
MD
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License numbers
C1-0008694 DE
MT186498 PA
Self-reported in NPPES; status is on the state search
Practice location
4701 Ogletown Stanton RD Ste 2335, Newark, DE 19713
Phone
(302) 623-4285
Enumerated
Jan 23, 2007
Record last updated
Oct 16, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(302) 623-4155
Medicare enrollment
Enrolled (PECOS I20080916000282); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2001
Telehealth
Offers telehealth (CMS)
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 Ste 2335

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

  1. Madeline Burgos, APRN-BCNurse Practitioner1245563964
  2. Arielle Katcher, MDGynecologic Oncology Physician1558892463
  3. Emily WebsterGynecologic Oncology Physician1982193603

Verify Mark G. Cadungog 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 C1-0008694
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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34% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024

128 Medicare Part D claims for 48 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Mark Cadungog128
  2. Specialty average195

Most prescribed

  1. Anastrozole18 claims
  2. Lenvima13 claims

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: $27.09

1 payment: 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 Cadungog$27.09
  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. Christiana Care Health Services IncWilmington, DE

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 Borowsky, MDNewark, DE 197131871570044
  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 G. Cadungog, MD's NPI number?

Mark G. Cadungog, MD's National Provider Identifier (NPI) is 1154476190, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark G. Cadungog, MD located?

The NPPES record lists a practice address at 4701 Ogletown Stanton RD Ste 2335, Newark, DE, 19713. Phone: (302) 623-4285. Providers update this record themselves, so call before visiting.

How can I verify Mark G. Cadungog, MD's license?

NPPES lists Delaware license number C1-0008694, 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 G. Cadungog, MD prescribe under Medicare Part D?

In 2024, Mark G. Cadungog, MD had 128 Medicare Part D claims for 48 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.