NPPES file of Aug 9, 2026

Damien B. Mallat, MD

Gastroenterology Physician · Dallas, TX

Damien B. Mallat, MD is a gastroenterology physician with a practice address in Dallas, Texas, and NPI 1568421212, issued on Mar 21, 2006. Check the license (Texas L0393, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568421212
Name
Damien B. Mallat
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
L0393 TX
Self-reported in NPPES; status is on the state search
Practice location
7777 Forest LN, Dallas, TX 75230
Phone
(972) 566-5266
Enumerated
Mar 21, 2006
Record last updated
Nov 20, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(972) 566-5245
Medicaid IDs
157312301 TX
157312303 TX
157312302 TX
157312304 TX
Medicare enrollment
Enrolled (PECOS I20050311000836); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7777 Forest LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jillian AdamsPsychiatric/Mental Health Nurse Practitioner1033513031
  2. Jane Admire, MDOtolaryngology Physician1023139433
  3. Dessy Adont, APRN, AG-ACNPNurse Practitioner1710586870
  4. Alexandria Aguilar, CSFAOther Specialist/Technologist1376402784
  5. Azadeh Ajami, PSYDPsychologist1437278637
  6. Mustafa Al-Chalabi, MDEmergency Medicine Physician1417932948

Verify Damien B. Mallat in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L0393
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% more Medicare Part D claims than the average gastroenterology physician in 2024

1,606 Medicare Part D claims for 640 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 18 claims were for opioids.

  1. Damien Mallat1,606
  2. Specialty average811

Most prescribed

  1. Gavilyte-G280 claims
  2. Pantoprazole Sodium166 claims
  3. Omeprazole163 claims
  4. Peg-3350 And Electrolytes109 claims
  5. Rabeprazole Sodium105 claims
  6. Linzess91 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $7,803.12

27 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Damien Mallat$7,803.12
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Damien B. Mallat among 1,478 gastroenterology physician records in Texas

Damien B. Mallat, MD is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 51% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated1993 · median 2003 among the 1,175 with a school on file
  • Record last updated2012 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Texas

There are 1,478 gastroenterology physician records in Texas.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Abram Eisenstein, MDDallas, TX 752301679633135
  2. Hussien Elsiesy, MDDallas, TX 752301265450811
  3. Robert Hendler, MDDallas, TX 752301245963941
  4. Alexander Lee, M.D.Dallas, TX 752301386805018
  5. Thomas Van Dinter, M.D.Dallas, TX 752301518184365
  6. Paul Zopolsky, M.D.Dallas, TX 752301649249335
  7. Sally Brooks, M.D.Dallas, TX 752311568421360
  8. Andrew Gottesman, MDDallas, TX 752311316915010

Common questions

What is Damien B. Mallat, MD's NPI number?

Damien B. Mallat, MD's National Provider Identifier (NPI) is 1568421212, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Damien B. Mallat, MD located?

The NPPES record lists a practice address at 7777 Forest LN, Dallas, TX, 75230. Phone: (972) 566-5266. Providers update this record themselves, so call before visiting.

How can I verify Damien B. Mallat, MD's license?

NPPES lists Texas license number L0393, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Damien B. Mallat, MD prescribe under Medicare Part D?

In 2024, Damien B. Mallat, MD had 1,606 Medicare Part D claims for 640 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Damien B. Mallat, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.