Damien Mallat, MD
NPI 1568421212 · Gastroenterology Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Damien Mallat, MD is a Gastroenterology Physician provider in Dallas, TX (NPI 1568421212).
Provider details
- NPI number
- 1568421212
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L0393 (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
20 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
1,047 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 | 365 | $89 |
| Review By Radiologist of Image From Tube Placement Into Pancreatic Duct Using an Endoscope74329 | 128 | $23 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 116 | $109 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 98 | $58 |
| Replacement of Stent in Pancreatic Or Bile Duct Using a Flexible Endoscope43276 | 96 | $460 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 280 | 255 |
| Pantoprazole Sodium | 166 | 66 |
| Omeprazole | 163 | 58 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 109 | 104 |
| Rabeprazole Sodium | 105 | 27 |
| Linaclotidebrand: Linzess | 91 | 26 |
| Sodium, Potassium,mag Sulfates |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,803 across 27 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
- 2006-03-21
- Last updated
- 2012-11-20
Frequently asked questions
- What is Damien Mallat's NPI number?
- Damien Mallat's National Provider Identifier (NPI) is 1568421212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Damien Mallat's specialty?
- Damien Mallat is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Damien Mallat located?
- Damien Mallat's practice location on file with NPPES is 7777 Forest Ln, Dallas, TX 75230-2571.
- What is Damien Mallat's phone number?
- The practice phone number listed in the NPPES registry for Damien Mallat is (972) 566-5266.
- Does Damien Mallat accept Medicare?
- Damien Mallat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Damien Mallat's NPI active?
- Yes — Damien Mallat's NPI (1568421212) is active in the NPPES registry as of the last update on 2012-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.