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

Q: 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.

Q: What is Kevin Marks's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Kevin Marks was last updated on December 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

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: October 18, 2026.

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

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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

Phone(281) 392-0425

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

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignments

Medicare enrollment records show Kevin Marks reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kevin T. Marks MD PA

Same address

Gastroenterology

521 W GRAND PKWY S
Katy, TX 77494

Reassigned Medicare billing, Texas enrollment

NPI 1790860112 (281) 392-0425

Premier Physician Services PLLC

Same address

Gastroenterology

521 W GRAND PKWY S
Katy, TX 77494

Reassigned Medicare billing, Texas enrollment

NPI 1467846097 (832) 689-6937

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

PREMIER PHYSICIAN SERVICES PLLC

Internal Medicine (Gastroenterology)

521 W GRAND PKWY S
KATY, TX 77494

Fort Bend County (832) 689-6937

KEVIN T. MARKS MD PA

Internal Medicine (Gastroenterology)

521 W GRAND PKWY S
KATY, TX 77494

Fort Bend County (281) 392-0425

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.

Which organizations bill Medicare for Kevin Marks's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Marks reassigns Medicare benefits to 2 organizations: Kevin T. Marks MD PA (Katy, TX) and Premier Physician Services PLLC (Katy, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kevin Marks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kevin Marks accept?

Health plans from Blue Cross and Blue Shield of Texas 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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.