Matthew Clark, M.D.
NPI 1497072227 · Gastroenterology Physician · Shenandoah, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Clark, M.D. is a Gastroenterology Physician provider in Shenandoah, TX (NPI 1497072227).
Provider details
- NPI number
- 1497072227
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R2309 (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
16 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
1,081 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 309 | $114 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 159 | $73 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 136 | $150 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 115 | $149 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $80 |
| Balloon Dilation of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope, Less Than 3.0 Cm |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 392 | 157 |
| Famotidine | 115 | 51 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 109 | 54 |
| Sucralfate | 107 | 51 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 103 | 101 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 97 | 94 |
| Dicyclomine Hcl | 95 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,409 across 123 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
- 2010-05-04
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is Matthew Clark's NPI number?
- Matthew Clark's National Provider Identifier (NPI) is 1497072227, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Clark's specialty?
- Matthew Clark is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Clark located?
- Matthew Clark's practice location on file with NPPES is 129 Vision Park Blvd Ste 307, Shenandoah, TX 77384-3024.
- What is Matthew Clark's phone number?
- The practice phone number listed in the NPPES registry for Matthew Clark is (936) 321-5440.
- Does Matthew Clark accept Medicare?
- Matthew Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Clark's NPI active?
- Yes — Matthew Clark's NPI (1497072227) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.