Dr. Kevin Troy Marks, MD

  • Katy, TX
  • Gastroenterologist
NPI1679585228PAC ID1052311255
Medicare services, 2024
376
Medicare patients, 2024
216
Part D claims, 2024
495
Hospital affiliations
3
Industry payments
$13,440
Practice address
21720 Kingsland Blvd - Suite 101, Katy, TX 77450
Practice phone
Call (713) 259-8595
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Memorial Hermann Surgery Center Kingsland - Katy (Kingsland Blvd)

Surgery Center - Medicare-Certified · Katy, Texas

See all 8 affiliations

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Dr. Kevin Troy Marks is a gastroenterologist in Katy, Texas

Dr. Marks practices at Memorial Hermann Surgery Center Kingsland - Katy (Kingsland Blvd) in Katy, Texas.

Dr. Marks' NPI, 1679585228, was assigned on August 12, 2006. Dr. Marks graduated from Meharry Medical College School of Medicine in 2000. Dr. Marks holds Texas license L6514.

NPI and contact details
Medicare PAC ID
1052311255
NPI enumeration date
August 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(713) 259-8595
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Kevin Troy Marks practices at Memorial Hermann Surgery Center Kingsland - Katy (Kingsland Blvd) in Katy, Texas

Dr. Marks' primary practice is Memorial Hermann Surgery Center Kingsland - Katy (Kingsland Blvd), at 21720 Kingsland Blvd - Suite 101, Katy, TX 77450. The practice phone is (713) 259-8595.

  • Memorial Hermann Surgery Center Kingsland - Katy (Kingsland Blvd)
    21720 Kingsland Blvd - Suite 101, Katy, TX 77450Phone(713) 259-8595

Source: Dmand AI Affiliation Data

Dr. Kevin Troy Marks is affiliated with 7 sites of care and 1 medical group

Dr. Marks' primary practice is Memorial Hermann Surgery Center Kingsland - Katy (Kingsland Blvd) in Katy, Texas. Dr. Marks is also affiliated with Memorial Hermann Katy Hospital. The medical group on file is Premier Gastroenterology & Wellness. Dmand AI also links Dr. Marks to 2 more hospitals, 1 physician office, 1 group practice or clinic and 1 ambulatory surgery center, each named with a free account.

See all 8 affiliations for Dr. Marks

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Kevin Troy Marks' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marks practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Memorial Hermann Surgery Center Kingsland - Katy (Kingsland Blvd)Available with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Kevin Troy Marks is one of 1,341 gastroenterologists in Texas

Gastroenterology is Dr. Marks' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Marks is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Marks' licenses on file in 3 states: Texas, Louisiana and Tennessee.

Specialties and state licenses

  • Gastroenterology, TexasPrimaryLicense L6514 · 2003 to 2026 · taxonomy 207RG0100X
  • Louisiana license2021 to 2025
  • Tennessee license1997 to 2001

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, gastroduodenitis and gastroenteritis among the conditions Dr. Marks treats.

Gastroenterologists near Dr. Marks

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Kevin Troy Marks billed Medicare for 376 services in 2024

CMS data shows 376 Medicare services from Dr. Marks across 7 procedure codes in 2024, for 216 Medicare patients. Medicare paid $35,312 for them.

Medicare services, 2024376
Medicare patients216
Paid by Medicare$35,312
Procedure codes7

Dr. Marks' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3482024: 31210%
Surgery
2023: 572024: 4226%
Other services
2023: 152024: 2247%

Where Dr. Marks' Medicare services took place, 2024

  • In an office31283%
  • In a facility6417%

Dr. Marks compared with the Texas median for gastroenterologists, 2024

  • Dr. Marks
  • Texas median
Medicare services
376vs 50526% below
Medicare patients
216vs 28424% below
Part D claims
295vs 49340% below

Medians across 1,281 gastroenterologists in Texas with Dmand AI profiles that report each measure.

Dr. Marks' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Marks

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Kevin Troy Marks treated 216 Medicare patients in 2024, average age 71

CMS counts 216 Medicare patients who saw Dr. Marks in 2024. The largest group is 65 to 74, with 150 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.97, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Marks' median patient age at 55, with 52% women.

Medicare patients, 2024216
Average age71
Average risk score0.97

Dr. Marks' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Marks' Medicare patients by sex, 2024

  • Women10448%
  • Men11252%

Chronic conditions among Dr. Marks' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Ischemic heart disease30%
  5. Diabetes27%
  6. Anxiety25%
  7. Chronic kidney disease20%
  8. Mood disorders19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Marks' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women52%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Kevin Troy Marks wrote 495 Medicare Part D claims in 2024

In 2024, Dr. Marks wrote 495 Medicare Part D claims for 171 patients. 80% of them were for generic drugs. CMS names the drug for 295 of them, across 10 drugs with 11 or more claims each, at $34,908 in total drug cost. In 2023, CMS named 283 claims across 8 drugs.

Part D claims, 2024495
Drugs named by CMS10
Total drug cost$34,908
Part D patients171

Dr. Marks' Part D claims by kind of drug, 2024

  • Generic395 claims80%
  • Brand-name and other100 claims20%

Dr. Marks' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Marks' Part D claims, 2024

  • Antibiotics5%24 of 495 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2832024: 2954%

Drugs named by CMS: 10 in 2024, 8 in 2023.

See all prescribing by Dr. Marks

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Kevin Troy Marks ranks in the 60th percentile for colonoscopy in Medicare

Dr. Marks accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marks as offering telehealth. CMS counts 43 procedures of colonoscopy by Dr. Marks, more than 60% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Marks ranks in Medicare procedure volume

Colonoscopy
60th percentile43 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
51st percentile21 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Kevin Troy Marks received $13,440 in industry payments from 2016 to 2025

CMS Open Payments shows 716 general payments to Dr. Marks from 47 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Abbvie Inc. paid the most, $3,156.

General payments to Dr. Marks by program year, 2016 to 2025

General payments to Dr. Marks by kind, 2016 to 2025

$13.4Kin total
  • Food and beverage$12,15590%
  • Travel and lodging$5884%
  • Consulting fees$4974%
  • Education$2001%

Companies that paid Dr. Marks the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Marks

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Kevin Troy Marks has 1 award and honors on record

Dmand AI lists 1 award for Dr. Marks, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Marks

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Kevin Troy Marks graduated from Meharry Medical College School of Medicine

Dr. Marks graduated from Meharry Medical College School of Medicine in 2000.

  1. Medical schoolMeharry Medical College School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in obesity medicineAmerican Board of Obesity Medicine

Source: Dmand AI Professional Profile Data

Dr. Kevin Troy Marks accepts plans from 16 insurance carriers

Dr. Marks is in network with 16 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +8 more carriersWith a free account

Plan types Dr. Marks accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. HMO8
  4. POS6
  5. EPO5

Source: Dmand AI Insurance Network Data

Sources for Dr. Kevin Troy Marks's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Kevin Troy Marks

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Kevin Troy Marks' NPI number?

Dr. Kevin Troy Marks' NPI number is 1679585228. It was assigned on August 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Kevin Troy Marks?

Dr. Kevin Troy Marks is a gastroenterologist in Katy, Texas. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Kevin Troy Marks practice?

Dr. Marks practices at 21720 Kingsland Blvd - Suite 101, Katy, TX 77450. Dr. Marks' primary practice is Memorial Hermann Surgery Center Kingsland - Katy (Kingsland Blvd) in Katy, Texas. Dmand AI also links Dr. Marks to 2 hospitals, 1 physician office, 1 group practice or clinic and 1 ambulatory surgery center.

What is Dr. Kevin Troy Marks' office phone number?

The practice phone on file for Dr. Marks is (713) 259-8595.

What is Dr. Kevin Troy Marks' medical license number?

Dr. Marks holds Texas license L6514, one of the licenses on file in 3 states.

Which states has Dr. Kevin Troy Marks been licensed in?

Dmand AI has state licenses on file for Dr. Marks in Texas (2003 to 2026), Louisiana (2021 to 2025) and Tennessee (1997 to 2001).

Which hospitals is Dr. Kevin Troy Marks affiliated with?

Dr. Marks is affiliated with Memorial Hermann Katy Hospital. Dmand AI links Dr. Marks to 2 more hospitals.

What medical group is Dr. Kevin Troy Marks part of?

Dr. Marks is linked to Premier Gastroenterology & Wellness.

Does Dr. Kevin Troy Marks accept Medicare?

Yes. CMS data shows Dr. Marks billed Medicare for 376 services in 2024, and Dr. Marks accepts Medicare assignment.

Does Dr. Kevin Troy Marks offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Marks as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Kevin Troy Marks see?

CMS counts 216 Medicare patients who saw Dr. Marks in 2024, with an average age of 71.

Is Dr. Kevin Troy Marks board certified?

Yes. Dr. Marks is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Kevin Troy Marks bill to Medicare?

In 2024, Dr. Marks' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99203).

Where did Dr. Kevin Troy Marks go to medical school?

Dr. Marks graduated from Meharry Medical College School of Medicine in 2000.

What drugs does Dr. Kevin Troy Marks prescribe most?

In 2024 Medicare Part D data, Dr. Marks' most prescribed drugs by claims were Pantoprazole Sodium, Esomeprazole Magnesium and Omeprazole.

Has Dr. Kevin Troy Marks received payments from drug or device companies?

CMS Open Payments shows $13,440 in general payments to Dr. Marks from 47 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Kevin Troy Marks been practicing?

Dr. Marks graduated from medical school in 2000, 26 years ago.

What insurance does Dr. Kevin Troy Marks accept?

Dr. Marks is in network with 16 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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