Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1801539697 Individual Practitioner Female Practitioner

Kathleen Bui

Physician Assistant • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Kathleen Bui is a certified Physician Assistant practicing in Houston, TX. With approximately 5 years of clinical experience since completing medical education in 2021, Kathleen Bui delivers high-quality medical care to the local community at 1515 HOLCOMBE BLVD.

Kathleen Bui is affiliated with Texas Digestive Disease Consultants, Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1515 Holcombe Blvd

Houston, TX 770304000

Telephone 7137926161
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2021

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Houston, TX

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs -6.1 yrs vs City Avg
City Avg: 11.1 Yrs
State Avg: 13.9 Yrs
Regional Practice Density
1817 Specialists

Practicing in Houston, TX (11140 Statewide)

Telehealth Adoption Rate
17.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
74.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Bui (5 Years) 5 Yrs
Houston Specialty Average (11.1 Years) 11.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
20 18 $267.00 $83.87
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
17 17 $531.35 $121.08

Medical Specialties & State Licenses

CMS Verified: 2026-01-14
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TX PA15405

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Colon & Rectal Surgery

NUCC Taxonomy Code: 208C00000X

State License TX PA15405

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Hospital & Practice Group Affiliations

Texas Digestive Disease Consultants, Pllc

929 Gessner Rd, Houston, TX 770242469

Phone: 7134682030

Texas Digestive Disease Consultants, Pllc

18220 State Hwy 249, Houston, TX 770704370

Phone: 2818978866

Texas Digestive Disease Consultants, Pllc

P O Box, Dallas, TX 752350629

Texas Digestive Disease Consultants, Pllc

Po Box, Dallas, TX 752350629

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Merry Chen , MD

Psychiatry & Neurology - Neurology

NPI 1003022013

Doctor of Medicine (M.D.)

Dr. Ameena Malhotra , MD

Internal Medicine - Nephrology

NPI 1003046822

Doctor of Medicine (M.D.)

Dr. Bryan Guillory , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1003102674

Doctor of Medicine (M.D.)

NPI 1003121237

Doctor of Medicine (M.D.)

Dr. Sunyoung Lee , MD

Internal Medicine - Medical Oncology

NPI 1003159054

Doctor of Medicine (M.D.)

Rachel Futrell , PA-C

Physician Assistant

NPI 1003193350

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
👤
Provider Name / Credentials Updated January 14, 2026

Recorded as KATHLEEN BUI

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 14, 2026

Physician Assistant (License #PA15405 in TX)

NPI Profile Active April 20, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location April 20, 2022

Registered at 1515 HOLCOMBE BLVD, HOUSTON, TX 770304000 (Tel: 7137926161)

📍
Updated Business Mailing Address April 20, 2022

Registered at PO BOX 4439, HOUSTON, TX 772104439 (Tel: 7137922991)

👤
Provider Name / Credentials Updated April 20, 2022

Recorded as KATHLEEN NGUYEN TRAN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 20, 2022

Colon & Rectal Surgery (License #PA15405 in TX)

🟢
Initial NPI Registration & Enumeration April 19, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1801539697
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 19, 2022
Last Update: January 14, 2026
Sole Proprietor: No

Mailing Address

Po Box 4439

Houston, TX 772104439

Phone: 7137922991

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.