DR. DANIEL MARELLI (M.D.) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1518983147
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
18 CARDIAC SURGERY in DE
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Provider Addresses for DR. DANIEL MARELLI (M.D.)
640 S. STATE STREET, POB 3RD FLOOR
DOVER, DE 19901
Phone: (302) 480-1688
Fax: (302) 480-9807
Type: Mailing
640 S. STATE STREET
MAIL CODE 3055
DOVER, DE 199013530
Phone: (302) 480-1688
Fax: (302) 480-9807
Type: Mailing
101, South Governors Avenue, Dover, Kent County, Delaware, 19904, United States
DOVER, DE 199043530
Phone: (302) 744-7980
Fax: (302) 744-7989
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 20 Open Payments records for all available years, with a total value of $1,471.
Total Amount is formed as General ($1,471) + Research ($0) + Ownership ($0) = $1,471.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Medtronic, Inc. ($1,232).
Total Amount
$1,471
General + Research + Ownership
Payments
20
Total payment records
General Amount
$1,471
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $1,232 |
| GE HEALTHCARE | $112 |
| Baxter Healthcare | $44 |
| Pacira Pharmaceuticals Incorporated | $19 |
| E.R. Squibb & Sons, L.L.C. | $16 |
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: 2008-07-03
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 |
|---|---|---|---|---|
| I20080703000107 | 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 |
|---|---|---|---|---|
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 38 | 38 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 36 | 22 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 33 | 32 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 32 | 28 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 31 | 23 | $0 |
Insurance plans in this area (ZIP 19901)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC SURGERY | DE | 33518 | Combined multiple vein and artery heart artery bypasses | 16 | 16 |
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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