Robert C. Deckmann, MD
Gastroenterology Physician · Lewes, DE
Robert C. Deckmann, MD is a gastroenterology physician with a practice address in Lewes, Delaware, and NPI 1114935004, issued on Aug 4, 2006. Check the license (Delaware C10004606, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Robert C. Deckmann
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- C10004606 DE
Self-reported in NPPES; status is on the state search - Practice location
- 33663 Bayview Medical Dr, Lewes, DE 19958
- Phone
- (302) 645-9325
- Enumerated
- Aug 4, 2006
- Record last updated
- Feb 5, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (302) 645-5214
- Medicaid ID
- 0000638801 DE
- Medicare enrollment
- Enrolled (PECOS I20090518000147); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 47 in Delaware → Look up another NPI →
Also registered at 33663 Bayview Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lucille Moylan, NPFamily Nurse Practitioner1619901964
- Jon Wiggins, M.D.Internal Medicine Physician1629084975
Verify Robert C. Deckmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C10004606Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,549 Medicare Part D claims for 915 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Omeprazole687 claims
- Sod Sulf-Potass Sulf-Mag Sulf322 claims
- Pantoprazole Sodium241 claims
- Famotidine232 claims
- Esomeprazole Magnesium101 claims
- Linzess76 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $125.00
1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Beebe Physician Network Inc.Lewes, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert C. Deckmann among 47 gastroenterology physician records in Delaware
Robert C. Deckmann, MD is one of 47 gastroenterology physician records with a practice address in Delaware. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 57% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1989 · median 2004 among the 34 with a school on file
- Record last updated2014 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Delaware
There are 47 gastroenterology physician records in Delaware.
All 47 in Delaware → Every provider in Lewes → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sujay AlvencarLewes, DE 199581508429473
- Harry Anagnostakos, DOLewes, DE 199581124036017
- Geoffrey Braden, M.D.Lewes, DE 199581275597809
- Richard Caruso, MDLewes, DE 199581548252265
- Scott Clark, MDLewes, DE 199581538119979
- Heather Gibbs, M.D.Lewes, DE 199581275895625
- Shaina Lynch, D.O.Lewes, DE 199581235575036
- Paolo Peghini, MDLewes, DE 199581558379446
Common questions
What is Robert C. Deckmann, MD's NPI number?
Robert C. Deckmann, MD's National Provider Identifier (NPI) is 1114935004, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert C. Deckmann, MD located?
The NPPES record lists a practice address at 33663 Bayview Medical Dr, Lewes, DE, 19958. Phone: (302) 645-9325. Providers update this record themselves, so call before visiting.
How can I verify Robert C. Deckmann, MD's license?
NPPES lists Delaware license number C10004606, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert C. Deckmann, MD prescribe under Medicare Part D?
In 2024, Robert C. Deckmann, MD had 2,549 Medicare Part D claims for 915 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.