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TRA THI THANH BUI PA
NPI 1306375449
Physician Assistant in Marshfield, WI

Active since June 11, 2017PECOS EnrolledAccepts Medicare Assignment
MARSHFIELD CLINIC, 1000 N OAK AVENUE, MARSHFIELD, WI 54449(715) 387-5511 Get Directions Write a Review

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 6, 2026, Jun 25, 2025, Jun 11, 2017 (3 updates tracked since 2017).

About Tra Thi Thanh Bui Pa NPPES

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

TRA THI THANH BUI PA (NPI 1306375449) is an individual physician assistant in Marshfield, Wisconsin, licensed in Kansas (15-03275) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1306375449
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameTRA THI THANH BUICredential: PA
Location AddressMARSHFIELD CLINIC, 1000 N OAK AVENUEMarshfield, WI 54449
Mailing Address1000 N Oak AveMarshfield, WI 54449-5703 · (715) 387-5511
Phone(715) 387-5511
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 11, 2017
Last NPPES UpdateJune 17, 20263 updates tracked since enumeration
NPPES CertifiedJune 17, 2026
✔ NPI 1306375449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in KS · 15-03275✔ Licensed in WI · 8256
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.
MARSHFIELD CLINIC, Marshfield, WI 54449
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Nebraska, HealthPartners 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

Tra Thi Thanh Bui Pa 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 ID7012280266
PECOS Enrollment IDI20250610001785
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 2

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

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520037
Location611 St Joseph AveMarshfield, WI 54449 · Wood County
Emergency services Birthing friendly

Marshfield Medical Center - Eau Claire

Acute Care Hospitals · Eau Claire, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520210
Location2310 Craig RdEau Claire, WI 54701 · Eau Claire County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54449 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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.

Other Providers at the Same Location NPPES 4

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

MR. SEAN P WITTE OTR
Occupational Therapist
MARSHFIELD CLINIC, 1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 221-5511
ANASTASIA OSIPOVA MD,PHD
Obstetrics & Gynecology
MARSHFIELD CLINIC, 1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
VISHAL RAVELLA MD
Hospitalist
MARSHFIELD CLINIC, 1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (800) 782-8581
DR. LAVENDER SUMMER STREIFF OD
Optometrist
MARSHFIELD CLINIC, 1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 387-5511

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 Tra Bui's NPI number?

The NPI number for Tra Bui is 1306375449. It was assigned to this individual provider in the NPPES registry on June 11, 2017.

Where is Tra Bui located?

Tra Bui practices at Marshfield Clinic 1000 N Oak Avenue, Marshfield, WI 54449. The listed phone number is (715) 387-5511.

What is Tra Bui's specialty?

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

Is Tra Bui enrolled in Medicare?

Yes. Tra 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 Tra Bui accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Nebraska, HealthPartners, Sanford Health Plan and Security Health Plan list Tra 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 Tra Bui affiliated with any hospitals?

According to CMS data, Tra Bui is affiliated with Marshfield Medical Center and Marshfield Medical Center - Eau Claire.

When was this NPI record last updated?

The NPPES record for Tra Bui was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.