Dr. Robert C. Deckmann, MD

  • Lewes, DE
  • Gastroenterologist
NPI1114935004PAC ID9739238080
Medicare services, 2024
1,235
Medicare patients, 2026
910
Part D claims, 2026
2,549
MIPS score, 2026
80
Hospital affiliations
1
Practice address
1515 Savannah Rd, Lewes, DE 19958
Practice phone
Call (302) 313-2300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Beebe Medical Group

Lewes, Delaware

See all 6 affiliations

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Dr. Robert C. Deckmann is a gastroenterologist in Lewes, Delaware

Dr. Deckmann practices at Beebe Medical Group in Lewes, Delaware.

Dr. Deckmann's NPI, 1114935004, was assigned on August 4, 2006. Dr. Deckmann graduated from University of Pittsburgh School of Medicine in 1989. Dr. Deckmann holds Delaware license C10004606.

NPI and contact details
Medicare PAC ID
9739238080
NPI enumeration date
August 4, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(302) 313-2300
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Robert C. Deckmann practices at Beebe Medical Group in Lewes, Delaware

Dr. Deckmann's primary practice is Beebe Medical Group, at 1515 Savannah Rd, Lewes, DE 19958 in Sussex County. The practice phone is (302) 313-2300.

  • Beebe Medical Group
    1515 Savannah Rd, Lewes, DE 19958 · Sussex CountyPhone(302) 313-2300

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Robert C. Deckmann is affiliated with 4 sites of care and 2 medical groups

Dr. Deckmann's primary practice is Beebe Medical Group in Lewes, Delaware. Dr. Deckmann is also affiliated with Beebe Healthcare. The medical group on file is Beebe Medical Group. Dmand AI also links Dr. Deckmann to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Deckmann

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Robert C. Deckmann's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Deckmann practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Beebe Medical GroupAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert C. Deckmann is one of 45 gastroenterologists in Delaware

Gastroenterology is Dr. Deckmann's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Deckmann is licensed in Delaware.

Specialties and state licenses

  • Gastroenterology, DelawarePrimaryLicense C10004606 · taxonomy 207RG0100X

Gastroenterologists near Dr. Deckmann

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

45gastroenterologists in Delaware
8gastroenterologists in Lewes

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Robert C. Deckmann billed Medicare for 1,235 services in 2024

CMS data shows 1,235 Medicare services from Dr. Deckmann across 10 procedure codes in 2024, for 910 Medicare patients. Medicare paid $154,466 for them.

Medicare services, 20241,235
Medicare patients910
Paid by Medicare$154,466
Procedure codes10

Dr. Deckmann's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 5732024: 5883%
Office and hospital visits
2023: 6462024: 54016%
Other services
2023: 1102024: 1073%

Where Dr. Deckmann's Medicare services took place, 2024

  • In an office1,18696%
  • In a facility494%

Dr. Deckmann compared with the Delaware median for gastroenterologists, 2024

  • Dr. Deckmann
  • Delaware median
Medicare services
1,235vs 78058% above
Medicare patients
910vs 51078% above
Part D claims
2,393vs 4735.1 times

Medians across 43 gastroenterologists in Delaware with Dmand AI profiles that report each measure.

Dr. Deckmann's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Deckmann

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Robert C. Deckmann treated 910 Medicare patients in 2026, average age 73

CMS counts 910 Medicare patients who saw Dr. Deckmann in 2026. The largest group is 65 to 74, with 511 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Deckmann's median patient age at 70, with 48% women.

Medicare patients, 2026910
Average age73
Average risk score0.99
Also on Medicaid4%

Dr. Deckmann's Medicare patients by age, 2026

Dr. Deckmann's Medicare patients by sex, 2026

  • Women44549%
  • Men46551%

Chronic conditions among Dr. Deckmann's Medicare patients, 2026

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Ischemic heart disease41%
  5. Anxiety25%
  6. Diabetes25%
  7. Mood disorders22%
  8. Depression20%

Share of Medicare patients with each condition. A patient can have several.

Dr. Deckmann's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women48%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

Dr. Robert C. Deckmann wrote 2,549 Medicare Part D claims in 2026

In 2026, Dr. Deckmann wrote 2,549 Medicare Part D claims for 915 patients. 81% of them were for generic drugs. CMS names the drug for 2,393 of them, across 34 drugs with 11 or more claims each, at $901,924 in total drug cost. In 2023, CMS named 2,204 claims across 31 drugs.

Part D claims, 20262,549
Drugs named by CMS34
Total drug cost$901,924
Part D patients915

Dr. Deckmann's Part D claims by kind of drug, 2026

  • Generic2,058 claims81%
  • Brand-name491 claims19%

Dr. Deckmann's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Deckmann's Part D claims, 2026

  • Antibiotics3%86 of 2,549 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,2042024: 2,3939%

Drugs named by CMS: 34 in 2024, 31 in 2023.

See all prescribing by Dr. Deckmann

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data

Dr. Robert C. Deckmann scored 80 out of 100 in Medicare's MIPS program for 2026

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Deckmann for performance year 2026, reported as part of a group. Dr. Deckmann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 331 procedures of colonoscopy by Dr. Deckmann, more than 98% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Deckmann's MIPS scores, performance year 2026

  • 80of 100Final score
  • 62.9of 100Quality
  • 94of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Deckmann ranks in Medicare procedure volume

Colonoscopy
98th percentile331 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
72nd percentile79 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2026 data; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Robert C. Deckmann received $1,097 in industry payments from 2016 to 2025

CMS Open Payments shows 30 general payments to Dr. Deckmann from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $382.

General payments to Dr. Deckmann by program year, 2016 to 2025

Companies that paid Dr. Deckmann the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Deckmann

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Robert C. Deckmann graduated from University of Pittsburgh School of Medicine

Dr. Deckmann graduated from University of Pittsburgh School of Medicine in 1989.

  1. Medical schoolUniversity of Pittsburgh School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Robert C. Deckmann's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Robert C. Deckmann

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Robert C. Deckmann's NPI number?

Dr. Robert C. Deckmann's NPI number is 1114935004. It was assigned on August 4, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert C. Deckmann?

Dr. Robert C. Deckmann is a gastroenterologist in Lewes, Delaware. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Robert C. Deckmann practice?

Dr. Deckmann practices at 1515 Savannah Rd, Lewes, DE 19958. Dr. Deckmann's primary practice is Beebe Medical Group in Lewes, Delaware. Dmand AI also links Dr. Deckmann to 2 group practices and clinics and 1 medical group, and a free account names each one.

What is Dr. Robert C. Deckmann's office phone number?

The practice phone on file for Dr. Deckmann is (302) 313-2300. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Robert C. Deckmann's email address?

Dmand AI checks professional and personal email addresses for Dr. Deckmann through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Robert C. Deckmann's medical license number?

Dr. Deckmann holds Delaware license C10004606.

Which hospitals is Dr. Robert C. Deckmann affiliated with?

Dr. Deckmann is affiliated with Beebe Healthcare.

What medical group is Dr. Robert C. Deckmann part of?

Dr. Deckmann is linked to Beebe Medical Group. Dmand AI links Dr. Deckmann to 1 more medical group, named with a free account.

Who does Dr. Robert C. Deckmann practice with?

Dmand AI links 313 HCPs to Dr. Deckmann's primary medical group, 8 of them gastroenterologists. A free account lists them, with verified contacts.

Does Dr. Robert C. Deckmann accept Medicare?

Yes. CMS data shows Dr. Deckmann billed Medicare for 1,235 services in 2024, and Dr. Deckmann accepts Medicare assignment.

Show 8 more questionsShow fewer questions

What is Dr. Robert C. Deckmann's MIPS score?

Dr. Deckmann's MIPS final score for performance year 2026 is 80 out of 100, reported as part of a group.

How many Medicare patients does Dr. Robert C. Deckmann see?

CMS counts 910 Medicare patients who saw Dr. Deckmann in 2026, with an average age of 73.

What services does Dr. Robert C. Deckmann bill to Medicare?

In 2024, Dr. Deckmann's most billed Medicare services were surgery: digestive system (45385), office visit, established patient (99213) and surgery: digestive system (43239).

Where did Dr. Robert C. Deckmann go to medical school?

Dr. Deckmann graduated from University of Pittsburgh School of Medicine in 1989.

What drugs does Dr. Robert C. Deckmann prescribe most?

In 2024 Medicare Part D data, Dr. Deckmann's most prescribed drugs by claims were Omeprazole, Sod Sulf-Potass Sulf-Mag Sulf and Pantoprazole Sodium.

Has Dr. Robert C. Deckmann received payments from drug or device companies?

CMS Open Payments shows $1,097 in general payments to Dr. Deckmann from 17 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Robert C. Deckmann been practicing?

Dr. Deckmann graduated from medical school in 1989, 37 years ago.

What EHR does Dr. Robert C. Deckmann's practice use?

Dmand AI tracks the EHR system at Beebe Medical Group and at 3 more sites and 1 medical group. The vendor and product are available with a free Dmand AI account.

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