GARY WALTER SZYDLOWSKI (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1164473070
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
18 CARDIAC SURGERY in DE
Provider Addresses for GARY WALTER SZYDLOWSKI (MD)
640 S. STATE STREET, POB 3RD FLOOR
DOVER, DE 19901
Phone: (302) 480-1688
Fax: (302) 480-9807
Type: Mailing
540 S GOVERNORS AVE STE 101A
DOVER, DE 199043530
Phone: (302) 744-7980
Fax: (302) 744-7989
Type: Location
540, South Governors Avenue, Morris Estates, Dover, Kent County, Delaware, 19904, United States
SUITE 101A
DOVER, DE 199043530
Phone: (302) 744-7980
Fax: (302) 744-7989
Type: Location
640 S. STATE STREET
MAIL CODE 3055
DOVER, DE 19901
Phone: (302) 480-1688
Fax: (302) 480-9807
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $58.
Total Amount is formed as General ($58) + Research ($0) + Ownership ($0) = $58.
Last reported payment date: 2024-07-22 • Largest payer in this snapshot: ABIOMED ($23).
Total Amount
$58
General + Research + Ownership
Payments
3
Total payment records
General Amount
$58
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABIOMED | $23 |
| Medtronic, Inc. | $20 |
| ABBVIE INC. | $15 |
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: 2014-02-19
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 |
|---|---|---|---|---|
| I20140219000577 | I | Cardiac Surgery | DE | 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 |
|---|---|---|---|---|
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 31 | 31 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 30 | 19 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 29 | 27 | $0 |
| 33533 | Coronary artery bypass using artery graft, 1 graft | 27 | 27 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 27 | 22 | $0 |
Insurance plans in this area (ZIP 19901)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MD | |
| H E M A T O L O G Y/ O N C O L O G Y | DE | |
| Internal Medicine, Infectious Disease | DE | |
| - | DE | |
| Certified Nurse Midwife (Cnm) | DE | |
| O B S T E T R I C S/ G Y N E C O L O G Y | DE | |
| Medical Oncology | DE | |
| Physician Assistant | DE | |
| Certified Nurse Midwife (Cnm) | DE | |
| Internal Medicine | NY |
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