Thomas Ducker, MD
NPI 1295753887 · Gastroenterology Physician · Kerrville, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Ducker, MD is a Gastroenterology Physician provider in Kerrville, TX (NPI 1295753887).
Provider details
- NPI number
- 1295753887
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- H9895 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,504 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 636 | $87 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 248 | $239 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 160 | $77 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 145 | $94 |
| Balloon Dilation of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope, Less Than 3.0 Cm43249 | 118 | $125 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 553 | 168 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 352 | 342 |
| Pantoprazole Sodium | 296 | 98 |
| Ursodiol | 107 | 33 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 105 | 103 |
| Famotidine | 73 | 17 |
| Mesalamine | 70 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$186 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2018-12-04
Frequently asked questions
- What is Thomas Ducker's NPI number?
- Thomas Ducker's National Provider Identifier (NPI) is 1295753887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Ducker's specialty?
- Thomas Ducker is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Ducker located?
- Thomas Ducker's practice location on file with NPPES is 1001 Water St, Kerrville, TX 78028-3566.
- What is Thomas Ducker's phone number?
- The practice phone number listed in the NPPES registry for Thomas Ducker is (830) 896-5005.
- Does Thomas Ducker accept Medicare?
- Thomas Ducker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Ducker's NPI active?
- Yes — Thomas Ducker's NPI (1295753887) is active in the NPPES registry as of the last update on 2018-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.