Tra Thi Thanh Bui, PA
Physician Assistant · Marshfield, WI
Tra Thi Thanh Bui, PA is a physician assistant with a practice address in Marshfield, Wisconsin, and NPI 1306375449, issued on Jun 11, 2017. Check the license (Wisconsin 8256, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tra Thi Thanh Bui
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 8256 WI
15-03275 KS
Self-reported in NPPES; status is on the state search - Practice location
- Marshfield Clinic, Marshfield, WI 54449
- Phone
- (715) 387-5511
- Enumerated
- Jun 11, 2017
- Record last updated
- Jun 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20250610001785); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at Marshfield Clinic
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tra Thi Thanh Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 8256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average physician assistant in 2024
84 Medicare Part D claims for 30 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Pantoprazole Sodium12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $248.03
8 payments; by number, the most common kind was food and beverage; the largest payer was Becton, Dickinson and Company. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mchs Hospitals IncMarshfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tra Thi Thanh Bui among 3,475 physician assistant records in Wisconsin
Tra Thi Thanh Bui, PA is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 56% of them.
- NPI issued2017 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2015 · median 2016 among the 2,491 with a school on file
- Record last updated2026 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 physician assistant records list a practice address in Marshfield
They are 56 of the 1,360 NPPES records with a practice address in Marshfield, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Marshfield → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- James Beathard, PAMarshfield, WI 544491154432797
- Gregory Geissinger, PACMarshfield, WI 544491699882969
- Roger Lovelace, PA-CMarshfield, WI 544491770509598
- David Lustig, PAMarshfield, WI 544491215046800
- Richard Nesbitt, PACMarshfield, WI 544491700993078
- Hazel Neufeld, PA CMarshfield, WI 544491811004187
- Dennis Peterson, PACMarshfield, WI 544491205948478
- Robert Rennells, PAMarshfield, WI 544491760597231
Common questions
What is Tra Thi Thanh Bui, PA's NPI number?
Tra Thi Thanh Bui, PA's National Provider Identifier (NPI) is 1306375449, issued on Jun 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tra Thi Thanh Bui, PA located?
The NPPES record lists a practice address at Marshfield Clinic, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.
How can I verify Tra Thi Thanh Bui, PA's license?
NPPES lists Wisconsin license number 8256, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Tra Thi Thanh Bui, PA prescribe under Medicare Part D?
In 2024, Tra Thi Thanh Bui, PA had 84 Medicare Part D claims for 30 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.