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KATHLEEN BUI
NPI 1801539697
Physician Assistant in Houston, TX

Active since April 19, 2022PECOS EnrolledAccepts Medicare Assignment
81.38/100
CMS Quality Rating
1515 HOLCOMBE BLVD, HOUSTON, TX 77030(713) 792-6161 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 14, 2026, Apr 20, 2022 (2 updates tracked since 2022).

About Kathleen Bui NPPES

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

KATHLEEN BUI (NPI 1801539697) is an individual physician assistant in Houston, Texas, licensed in Texas (PA15405) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Memorial City Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1801539697
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKATHLEEN BUI
Location Address1515 HOLCOMBE BLVDHouston, TX 77030-4000
Mailing AddressPo Box 4439Houston, TX 77210-4439 · (713) 792-2991
Phone(713) 792-6161
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 19, 2022
Last NPPES UpdateJanuary 14, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
✔ NPI 1801539697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in TX · PA15405
Definition
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.
Also ListedColon & Rectal SurgeryTaxonomy 208C00000X · License PA15405 (TX)
1515 HOLCOMBE BLVD, Houston, TX 77030
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Kathleen Bui 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 ID7618356221
PECOS Enrollment IDI20220628000224
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.

Hospital Affiliations CMS Care Compare

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

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
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.

81.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.25
Promoting Interoperability100
Improvement Activities40
Cost49.97

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. MERRY CHEN MD
Psychiatry & Neurology (Neurology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
AMEENA BAGREE MALHOTRA M.D.
Internal Medicine (Nephrology)
1515 HOLCOMBE BLVD, 77030-4009
HOUSTON, TX 77030
Harris County (713) 792-6161
SOLANGE ERLYN COX MD
Surgery
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-2360
DR. BRYAN KEITH GUILLORY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
JANUARY Y TSAI MD
Anesthesiology
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
DR. SUNYOUNG LEE MD
Internal Medicine (Medical Oncology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
MRS. RACHEL KRAMER FUTRELL PA-C
Physician Assistant
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
MEGAN J TANNER NP-C
Nurse Practitioner
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161

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 Kathleen Bui's NPI number?

The NPI number for Kathleen Bui is 1801539697. It was assigned to this individual provider in the NPPES registry on April 19, 2022.

Where is Kathleen Bui located?

Kathleen Bui practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.

What is Kathleen Bui's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Kathleen Bui enrolled in Medicare?

Yes. Kathleen Bui 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 Kathleen Bui accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Kathleen Bui 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 Kathleen Bui affiliated with any hospitals?

According to CMS data, Kathleen Bui is affiliated with Memorial Hermann Memorial City Hospital.

When was this NPI record last updated?

The NPPES record for Kathleen Bui was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.