KEVIN TROY MARKS MD
NPI 1679585228
Internal Medicine - Gastroenterology in Katy, TX

Active since August 12, 2006PECOS EnrolledAccepts Medicare Assignment
521 W GRAND PKWY S, KATY, TX 77494(281) 392-0425(281) 392-0250 Get Directions Write a Review

NPPES record last updated: December 21, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 21, 2024, Dec 17, 2019 (2 updates tracked since 2019).

About Kevin Troy Marks Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KEVIN TROY MARKS MD (NPI 1679585228) is an individual gastroenterology provider in Katy, Texas, licensed in Texas (L6514) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Katy Hospital, and is a graduate of Meharry Medical College School Of Medicine (2000).

NPPES Registry Identity

NPI1679585228
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameKEVIN TROY MARKSCredential: MD
Location Address521 W GRAND PKWY SKaty, TX 77494-8284
Mailing Address1331 W Grand Pkwy N, Suite 350Katy, TX 77493-2710 · (281) 392-0425 · Fax (281) 392-0250
Fax(281) 392-0250
Sole ProprietorNo
Medical School CMSMeharry Medical College School Of MedicineGraduated 2000
Enumeration DateAugust 12, 2006
Last NPPES UpdateDecember 21, 20242 updates tracked since enumeration
NPPES CertifiedDecember 21, 2024
NPI 1679585228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in TX · L6514
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
521 W GRAND PKWY S, Katy, TX 77494

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Kevin Troy Marks Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052311255
PECOS Enrollment IDI20070112000114
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
141 services104 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
107 services84 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
34 services34 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
30 services30 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
22 services22 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
22 services22 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann Katy Hospital

Acute Care Hospitals · Katy, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450847
Location23900 Katy FreewayKaty, TX 77494 · Fort Bend County
Emergency services Birthing friendly

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670077
Location18500 Katy FreewayHouston, TX 77094 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77494 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Gastroenterology)
521 W GRAND PKWY S
KATY, TX 77494
Internal Medicine (Gastroenterology)
521 W GRAND PKWY S
KATY, TX 77494

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kevin Marks's NPI number?

The NPI number for Kevin Marks is 1679585228. It was assigned to this individual provider in the NPPES registry on August 12, 2006.

Where is Kevin Marks located?

Kevin Marks practices at 521 W Grand Pkwy S, Katy, TX 77494. The listed phone number is (281) 392-0425.

What is Kevin Marks's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Kevin Marks enrolled in Medicare?

Yes. Kevin Marks is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kevin Marks accept?

Health plans from Blue Cross and Blue Shield of Texas and Community Health Choice list Kevin Marks as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kevin Marks affiliated with any hospitals?

According to CMS data, Kevin Marks is affiliated with Memorial Hermann Katy Hospital and Houston Methodist West Hospital.

When was this NPI record last updated?

The NPPES record for Kevin Marks was last updated on December 21, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.