ROBERT C DECKMANN (MD) – Gastroenterology Physician, NPI 1114935004
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
58 GASTROENTEROLOGY in DE
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Provider Addresses for ROBERT C DECKMANN (MD)
33663, Bayview Medical Drive, Quakers Heights, Lewes, Sussex County, Delaware, 19958, United States
UNIT 2
LEWES, DE 199581663
Phone: (302) 645-9325
Fax: (302) 645-5214
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $177.
Total Amount is formed as General ($177) + Research ($0) + Ownership ($0) = $177.
Last reported payment date: 2024-08-27 • Largest payer in this snapshot: Phathom Pharmaceuticals, Inc. ($125).
Total Amount
$177
General + Research + Ownership
Payments
4
Total payment records
General Amount
$177
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Phathom Pharmaceuticals, Inc. | $125 |
| Gilead Sciences, Inc. | $35 |
| Medtronic, Inc. | $17 |
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: 2009-05-18
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 |
|---|---|---|---|---|
| I20090518000147 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 462 | 357 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 377 | 376 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 151 | 151 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 114 | 112 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 89 | 89 | $0 |
Insurance plans in this area (ZIP 19958)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | DE | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 35 | 35 |
| GASTROENTEROLOGY | DE | 45378 | Diagnostic examination of large bowel using an endoscope | 21 | 21 |
| GASTROENTEROLOGY | DE | 45385 | Removal of polyps or growths of large bowel using an endoscope | 15 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | PA | |
| Internal Medicine | DE | |
| - | DE | |
| - | DE | |
| Family Practice | DE | |
| Internal Medicine | DE | |
| Infectious Disease, Internal Medicine | DE | |
| Physician Assistant | MD | |
| Nurse Practitioner | DE | |
| - | DE |
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