Robert C. Deckmann, MD
NPI 1114935004ActiveIndividual· Internal Medicine, Gastroenterology· Lewes, DE
Internal Medicine, Gastroenterology (MD) in Lewes, Delaware, trained at University of Pittsburgh School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $993,462 for 2,549 claims, against $162,381 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $154.46 in all, mostly food and beverage.
Overview
| NPI | 1114935004 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Feb 5, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | C10004606 | DE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 910 |
|---|---|
| Services billed | 1,308 across 24 procedure codes |
| Paid by Medicare | $162,381 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,549 · 5,883 30-day fills |
|---|---|
| Patients | 915 |
| Total drug cost | $993,462 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Gastroenterology |
Medical group
- Beebe Physician Network Inc.Rehoboth Beach, DE · 310 clinicians
Hospital affiliation
- Beebe Medical CenterLewes, DE
Industry payments (Open Payments)
- 2025$154.46 · 3 payments from 3 companies
- 2024$125.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $125.00 | 1 |
| Madrigal Pharmaceuticals | $15.02 | 1 |
| Janssen Biotech, Inc. | $14.44 | 1 |
What the 2025 payments were for
- Food and Beverage$154.46 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in Delaware →