Kevin Troy Marks, MD
Gastroenterology Physician · Katy, TX
Kevin Troy Marks, MD is a gastroenterology physician with a practice address in Katy, Texas, and NPI 1679585228, issued on Aug 12, 2006. Check the license (Texas L6514, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kevin Troy Marks
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- L6514 TX
Self-reported in NPPES; status is on the state search - Practice location
- 521 W Grand Pkwy S, Katy, TX 77494
- Phone
- (281) 392-0425
- Enumerated
- Aug 12, 2006
- Record last updated
- Dec 21, 2024
- Fax
- (281) 392-0250
- Medicare enrollment
- Enrolled (PECOS I20070112000114); accepts Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Verify Kevin Troy Marks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L6514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average gastroenterology physician in 2024
495 Medicare Part D claims for 171 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium145 claims
- Esomeprazole Magnesium25 claims
- Omeprazole22 claims
- Linzess18 claims
- Sod Sulf-Potass Sulf-Mag Sulf18 claims
- Famotidine15 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.
Industry payments in 2024: $1,473.24
72 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kevin T Marks MD PAKaty, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin Troy Marks among 1,478 gastroenterology physician records in Texas
Kevin Troy Marks, 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
- Graduated2000 · median 2003 among the 1,175 with a school on file
- Record last updated2024 · 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.
All 1,478 in Texas → Every provider in Katy → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Murtaza Arif, M.D.Katy, TX 774941306905187
- Vivian Asamoah, MDKaty, TX 774941326191081
- Grace Chacko, NPKaty, TX 774941083550834
- Oforbuike Ewelukwa, MDKaty, TX 774941891094561
- Diana Franco Corso, M.D.Katy, TX 774941033468699
- Richard Lacamera, M.D.Katy, TX 774941427006659
- Natalia Martin, DOKaty, TX 774941487273512
- Neelima Reddy, MDKaty, TX 774941770796138
Common questions
What is Kevin Troy Marks, MD's NPI number?
Kevin Troy Marks, MD's National Provider Identifier (NPI) is 1679585228, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Troy Marks, MD located?
The NPPES record lists a practice address at 521 W Grand Pkwy S, Katy, TX, 77494. Phone: (281) 392-0425. Providers update this record themselves, so call before visiting.
How can I verify Kevin Troy Marks, MD's license?
NPPES lists Texas license number L6514, 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 Kevin Troy Marks, MD prescribe under Medicare Part D?
In 2024, Kevin Troy Marks, MD had 495 Medicare Part D claims for 171 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.