MARK E BOROWSKY (MD) – Gynecologic Oncology Physician, NPI 1871570044
Gynecologic Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5 GYNECOLOGICAL ONCOLOGY in DE
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Provider Addresses for MARK E BOROWSKY (MD)
PO BOX 30170
WILMINGTON, DE 198057170
Phone:
Type: Mailing
3600 ROUTE 66
FL 3
NEPTUNE, NJ 077532645
Phone: (732) 807-0800
Fax: (201) 751-1680
Type: Mailing
ChristianaCare Helen F. Graham Cancer Center and Research Institute, 4701, Ogletown Stanton Road, Newark, New Castle County, Delaware, 19713, United States
SUITE 2335
NEWARK, DE 197132055
Phone: (302) 623-4285
Fax: (302) 623-4155
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $429.
Total Amount is formed as General ($429) + Research ($0) + Ownership ($0) = $429.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($126).
Total Amount
$429
General + Research + Ownership
Payments
23
Total payment records
General Amount
$429
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $126 |
| Myriad Genetic Laboratories, Inc. | $44 |
| Ethicon US, LLC | $41 |
| Merck Sharp & Dohme LLC | $39 |
| Eisai Inc. | $37 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-01-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20210126003561 | I | Gynecological Oncology | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 72 | 49 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 50 | 36 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 39 | 20 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 34 | 34 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 17 | 17 | $0 |
Insurance plans in this area (ZIP 19805)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NY | |
| - | NJ | |
| Geriatric Medicine, Internal Medicine | NJ | |
| Nurse Practitioner | NJ | |
| Physician Assistant | NJ | |
| Vascular Surgery | NY | |
| Physician Assistant | NJ | |
| Physician Assistant | NY | |
| Orthopedic Surgery | NJ | |
| General Surgery | NJ |
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