DR. THOMAS KEPCZYK M.D.
NPI 1629062344
Internal Medicine - Gastroenterology in San Marcos, TX

Q: What is Thomas Kepczyk's NPI number?

The NPI number for Thomas Kepczyk is 1629062344. It was assigned to this individual provider in the NPPES registry on September 8, 2005.

Q: What is Thomas Kepczyk'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 Thomas Kepczyk was last updated on October 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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 September 08, 2005PECOS EnrolledAccepts Medicare Assignment

79.87/100

CMS Quality Rating

1305 WONDER WORLD DR, SUITE 200, SAN MARCOS, TX 78666(512) 754-8676(512) 754-8680 Get Directions Write a Review

NPPES record last updated: October 16, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Dr. Thomas Kepczyk M.d. NPPES

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

DR. THOMAS KEPCZYK M.D. (NPI 1629062344) is an individual gastroenterology provider in San Marcos, Texas, licensed in Texas (J8010) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Guadalupe Regional Medical Center, and is a graduate of University Of Arizona College Of Medicine (1986).

NPPES Registry Identity

NPI1629062344

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. THOMAS KEPCZYKCredential: M.D.

Location Address1305 WONDER WORLD DR, SUITE 200San Marcos, TX 78666-7546

Mailing Address1305 Wonder World Dr, Suite 200San Marcos, TX 78666-7546 · (512) 754-8676 · Fax (512) 754-8680

Phone(512) 754-8676

Fax(512) 754-8680

Sole ProprietorNo

Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1986

Enumeration DateSeptember 8, 2005

Last NPPES UpdateOctober 16, 2007

✔ NPI 1629062344 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 · J8010

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.

1305 WONDER WORLD DR, San Marcos, TX 78666

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Other Identifiers 2

Medicare PIN00R13XTX

Medicare UPING01372TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health of TX, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and more.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

Dr. Thomas Kepczyk M.d. 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 ID7911073242

PECOS Enrollment IDI20081125000809

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 Thomas Kepczyk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Austin Gastroenterology, PLLC

38 mi

Gastroenterology

9211 WATERFORD CENTRE BLVD, STE 200
Austin, TX 78758

Reassigned Medicare billing, Texas enrollment
85 clinicians in this Medicare group

NPI 1316998016 (512) 485-5872

Texas Digestive Disease Consultants, PLLC

153 mi

Gastroenterology

4100 S SHEPHERD DR
Houston, TX 77098

Reassigned Medicare billing, Texas enrollment
575 clinicians in this Medicare group

NPI 1013429968 (832) 255-5681

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 18

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.

Injection, vedolizumab, intravenous, 1 mg J3380

Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.

6,300 services12 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

207 services203 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.

192 services166 patients

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.

184 services163 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.

167 services166 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

152 services151 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

52 services52 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.

48 services48 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

47 services45 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.

45 services45 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

35 services35 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

34 services25 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

24 services23 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

21 services14 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

20 services12 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.

16 services16 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

14 services14 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Guadalupe Regional Medical Center

Acute Care Hospitals · Seguin, TX

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number450104

Location1215 E Court StSeguin, TX 78155 · Guadalupe County

Emergency services Birthing friendly

Christus Santa Rosa Hospital-San Marcos

Acute Care Hospitals · San Marcos, TX

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450272

Location1301 Wonder World DriveSan Marcos, TX 78666 · Hays County

Emergency services Birthing friendly

Resolute Health Hospital

Acute Care Hospitals · New Braunfels, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number670098

Location555 Creekside Xing,New Braunfels, TX 78130 · Comal County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78666 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.87/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

68.55

Promoting Interoperability

100

Improvement Activities

Cost

64.36

Other Providers at the Same Location NPPES 20

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

DR. WILLIAM K DESCHNER M.D.

Internal Medicine (Gastroenterology)

1305 WONDER WORLD DR, SUITE 200
SAN MARCOS, TX 78666

Hays County (512) 754-8676

RX MANAGEMENT CONSULTANTS

Pharmacist

1305 WONDER WORLD DR, STE 102
SAN MARCOS, TX 78666

Hays County (512) 392-6777

WENDELL M HOLLADAY CRNA

Nurse Anesthetist, Certified Registered

1305 WONDER WORLD DR, STE. 105
SAN MARCOS, TX 78666

Hays County (512) 353-8161

DR. CARLOS NEGHME M.D.

Internal Medicine (Gastroenterology)

1305 WONDER WORLD DR, SUITE 200
SAN MARCOS, TX 78666

Hays County (512) 754-8676

BUDA MEDICAL AND SURGICAL CLINIC

Internal Medicine

1305 WONDER WORLD DR, STE 206
SAN MARCOS, TX 78666

Hays County (512) 396-1525

DR. TERESA LYNN IRWIN MD

Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)

1305 WONDER WORLD DR, SUITE 209
SAN MARCOS, TX 78666

Hays County (512) 396-7575

MS. DEBORAH YOUNG HALL RNC,WHCNP

Nurse Practitioner (Women's Health)

1305 WONDER WORLD DR, SUITE 209
SAN MARCOS, TX 78666

Hays County (512) 396-7575

MRS. CAROL ANN COX GARNER MSN,CS,FNP

Nurse Practitioner (Family)

1305 WONDER WORLD DR, SUITE 209
SAN MARCOS, TX 78666

Hays County (512) 396-7575

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 Thomas Kepczyk's NPI number?

The NPI number for Thomas Kepczyk is 1629062344. It was assigned to this individual provider in the NPPES registry on September 8, 2005.

Where is Thomas Kepczyk located?

Thomas Kepczyk practices at 1305 Wonder World Dr Suite 200, San Marcos, TX 78666. The listed phone number is (512) 754-8676.

What is Thomas Kepczyk's specialty?

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

Is Thomas Kepczyk enrolled in Medicare?

Yes. Thomas Kepczyk 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 Thomas Kepczyk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Kepczyk reassigns Medicare benefits to 2 organizations: Austin Gastroenterology, PLLC (Austin, TX) and Texas Digestive Disease Consultants, PLLC (Houston, 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 Thomas Kepczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Kepczyk accept?

Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Harbor Health and Molina Healthcare list Thomas Kepczyk 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 Thomas Kepczyk affiliated with any hospitals?

According to CMS data, Thomas Kepczyk is affiliated with Guadalupe Regional Medical Center, Christus Santa Rosa Hospital-San Marcos and Resolute Health Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Kepczyk was last updated on October 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.