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Dr. Thomas Edwin Ducker, MD
NPI1295753887PAC ID2668632043
- Medicare services, 2024
- 1,504
- Medicare patients, 2024
- 767
- Part D claims, 2024
- 2,379
- Publications
- 3
- MIPS score, 2024
- 90
- Practice address
- 551 Hill Country Drive, Kerrville, TX 78028
- Practice phone
- Call (830) 896-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ducker's professional email, personal email and mobile number
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Dr. Thomas Edwin Ducker is a gastroenterologist in Kerrville, Texas
Dr. Ducker practices at Peterson Regional Medical Center in Kerrville, Texas, part of Peterson Health.
Dr. Ducker's NPI, 1295753887, was assigned on July 18, 2006. Dr. Ducker graduated from UT Southwestern Medical Center in 1988. Dr. Ducker's Texas license number on file is H9895.
NPI and contact details
- NPI
- 1295753887NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668632043
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (830) 896-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Edwin Ducker practices at Peterson Regional Medical Center in Kerrville, Texas
Dr. Ducker's primary practice is Peterson Regional Medical Center, at 551 Hill Country Drive, Kerrville, TX 78028 in Kerr County. The practice phone is (830) 896-4200.
- Peterson Regional Medical Center551 Hill Country Drive, Kerrville, TX 78028 · Kerr CountyPhone(830) 896-4200
Source: Dmand AI Affiliation Data
Dr. Thomas Edwin Ducker is affiliated with 2 sites of care and 1 medical group
Dr. Ducker's primary practice is Peterson Regional Medical Center in Kerrville, Texas, part of Peterson Health. The medical group on file is Peterson Regional Medical Center. Dmand AI also links Dr. Ducker to 1 more hospital, named with a free account. Dr. Ducker's employer is on file too: a hospital.
Peterson Regional Medical Center1 hospitalName with a free accountEmployer: hospitalName with a free account
See all 3 affiliations for Dr. DuckerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Edwin Ducker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ducker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peterson Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Ducker practices
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Dr. Thomas Edwin Ducker is one of 1,341 gastroenterologists in Texas
Gastroenterology is Dr. Ducker's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ducker has a license on file in Texas.
Specialties and state licenses
- Gastroenterology, TexasPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver, gastroduodenitis and gastroenteritis among the conditions Dr. Ducker treats.
Gastroenterologists near Dr. Ducker
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
1,341gastroenterologists in Texas
4gastroenterologists in Kerrville
4gastroenterologists at Peterson Regional Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas Edwin Ducker billed Medicare for 1,504 services in 2024
CMS data shows 1,504 Medicare services from Dr. Ducker across 11 procedure codes in 2024, for 767 Medicare patients. Medicare paid $134,544 for them.
Medicare services, 20241,504
Medicare patients767
Paid by Medicare$134,544
Procedure codes11
Dr. Ducker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 7102024: 7272%
- Office and hospital visits
- 2023: 5942024: 67614%
- Other services
- 2023: 962024: 1015%
Where Dr. Ducker's Medicare services took place, 2024
- In an office67645%
- In a facility82855%
Dr. Ducker compared with the Texas median for gastroenterologists, 2024
- Dr. Ducker
- Texas median
- Medicare services
- 1,504vs 5053.0 times
- Medicare patients
- 767vs 2842.7 times
- Part D claims
- 2,195vs 4934.5 times
Medians across 1,281 gastroenterologists in Texas with Dmand AI profiles that report each measure.
Dr. Ducker'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.
Need commercial claims for Dr. Ducker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ducker and other gastroenterologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Edwin Ducker treated 767 Medicare patients in 2024, average age 75
CMS counts 767 Medicare patients who saw Dr. Ducker in 2024. The largest group is 65 to 74, with 350 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 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. Ducker's median patient age at 69, with 57% women.
Medicare patients, 2024767
Average age75
Average risk score0.99
Also on Medicaid4%
Dr. Ducker's Medicare patients by age, 2024
Dr. Ducker's Medicare patients by sex, 2024
- Women41955%
- Men34845%
Chronic conditions among Dr. Ducker's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis46%
- Ischemic heart disease26%
- Diabetes24%
- Mood disorders21%
- Anxiety20%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ducker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Edwin Ducker wrote 2,379 Medicare Part D claims in 2024
In 2024, Dr. Ducker wrote 2,379 Medicare Part D claims for 866 patients. 82% of them were for generic drugs. CMS names the drug for 2,195 of them, across 29 drugs with 11 or more claims each, at $249,956 in total drug cost. In 2023, CMS named 1,705 claims across 28 drugs.
Part D claims, 20242,379
Drugs named by CMS29
Total drug cost$249,956
Part D patients866
Dr. Ducker's Part D claims by kind of drug, 2024
- Generic1,943 claims82%
- Brand-name436 claims18%
Dr. Ducker'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. Ducker's Part D claims, 2024
- Antibiotics1%30 of 2,379 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: 1,7052024: 2,19529%
Drugs named by CMS: 29 in 2024, 28 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Thomas Edwin Ducker scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Ducker for performance year 2024, reported individually. Dr. Ducker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 834 procedures of colonoscopy by Dr. Ducker, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Ducker's MIPS scores, performance year 2024
- 90of 100Final score
- 83.5of 100Quality
- 40of 100Improvement Activities
- 88of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Ducker ranks in Medicare procedure volume
- Colonoscopy
- 99th percentile834 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 96th percentile341 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), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas Edwin Ducker has 3 publications on record
Dmand AI links 3 papers to Dr. Ducker. Dr. Ducker's most frequent co-authors are John Robert Mathias, MD, William Floyd Fleet, MD and Tarek Koussayer, MD.
Papers3
Dr. Ducker's most frequent co-authors
- John Robert Mathias, MD2 shared papers
- William Floyd Fleet, MD1 shared paper
- Tarek Koussayer, MD1 shared paper
Recent publications by Dr. Ducker
Dig Dis Sci
Abdominal PainAmpulla of VaterCommon Bile Duct Diseases
Neurogastroenterol Motil
Chorionic GonadotropinIntestine, SmallLuteinizing Hormone
See who Dr. Ducker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ducker works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Edwin Ducker received $3,145 in industry payments from 2016 to 2025
CMS Open Payments shows 186 general payments to Dr. Ducker from 33 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, $468.
General payments to Dr. Ducker by program year, 2016 to 2025
Companies that paid Dr. Ducker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Edwin Ducker graduated from UT Southwestern Medical Center
Dr. Ducker graduated from UT Southwestern Medical Center in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Thomas Edwin Ducker accepts plans from 20 insurance carriers
Dr. Ducker is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Humana
- +12 more carriersWith a free account
Plan types Dr. Ducker accepts, by number of carriers
- PPO13
- HMO9
- Medicare8
- POS6
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas Edwin Ducker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thomas Edwin Ducker
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. Thomas Edwin Ducker's NPI number?
Dr. Thomas Edwin Ducker's NPI number is 1295753887. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Edwin Ducker?
Dr. Thomas Edwin Ducker is a gastroenterologist in Kerrville, Texas. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Thomas Edwin Ducker practice?
Dr. Ducker practices at 551 Hill Country Drive, Kerrville, TX 78028. Dr. Ducker's primary practice is Peterson Regional Medical Center in Kerrville, Texas, part of Peterson Health. Dmand AI also links Dr. Ducker to 1 hospital.
What is Dr. Thomas Edwin Ducker's office phone number?
The practice phone on file for Dr. Ducker is (830) 896-4200.
What is Dr. Thomas Edwin Ducker's medical license number?
Dr. Ducker's Texas license number on file is H9895.
Which hospitals is Dr. Thomas Edwin Ducker affiliated with?
Dr. Ducker practices at Peterson Regional Medical Center in Kerrville, Texas. Dmand AI links Dr. Ducker to 1 more hospital.
What medical group is Dr. Thomas Edwin Ducker part of?
Dr. Ducker is linked to Peterson Regional Medical Center.
Does Dr. Thomas Edwin Ducker accept Medicare?
Yes. CMS data shows Dr. Ducker billed Medicare for 1,504 services in 2024, and Dr. Ducker accepts Medicare assignment.
What is Dr. Thomas Edwin Ducker's MIPS score?
Dr. Ducker's MIPS final score for performance year 2024 is 90 out of 100, reported individually.
How many Medicare patients does Dr. Thomas Edwin Ducker see?
CMS counts 767 Medicare patients who saw Dr. Ducker in 2024, with an average age of 75.
Show 8 more questionsShow fewer questions
What services does Dr. Thomas Edwin Ducker bill to Medicare?
In 2024, Dr. Ducker's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (45385) and surgery: digestive system (45380).
Where did Dr. Thomas Edwin Ducker go to medical school?
Dr. Ducker graduated from UT Southwestern Medical Center in 1988.
What drugs does Dr. Thomas Edwin Ducker prescribe most?
In 2024 Medicare Part D data, Dr. Ducker's most prescribed drugs by claims were Omeprazole, Sod Sulf-Potass Sulf-Mag Sulf and Pantoprazole Sodium.
Has Dr. Thomas Edwin Ducker received payments from drug or device companies?
CMS Open Payments shows $3,145 in general payments to Dr. Ducker from 33 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Thomas Edwin Ducker been practicing?
Dr. Ducker graduated from medical school in 1988, 38 years ago.
Does Dr. Thomas Edwin Ducker do research?
Dmand AI links 3 publications to Dr. Ducker.
Who does Dr. Thomas Edwin Ducker publish with?
Dr. Ducker's most frequent co-authors are John Robert Mathias, MD (2 shared papers), William Floyd Fleet, MD (1 shared paper) and Tarek Koussayer, MD (1 shared paper).
What insurance does Dr. Thomas Edwin Ducker accept?
Dr. Ducker is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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