Brett S. Wallin, M.D
Internal Medicine Physician · St George, UT
Brett S. Wallin, M.D is an internal medicine physician with a practice address in St George, Utah, and NPI 1457557613, issued on Jun 25, 2007. Check the license (Utah 7984164-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Brett S. Wallin
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 7984164-1205 UT
81245 AZ
01068450A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1380 E Medical Center Dr, St George, UT 84790
- Phone
- (435) 251-2992
- Enumerated
- Jun 25, 2007
- Record last updated
- Jun 2, 2025
- Medicaid ID
- 201004220 IN
- Medicare enrollment
- Enrolled (PECOS I20121011000752); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 664 in Utah → Look up another NPI →
Also registered at 1380 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barry Acor, MDFamily Medicine Physician1154633642
- Brian AdamsPhysician Assistant1710416649
- Brian AdamsNurse Practitioner1528712973
- Daniel Adams, MDVascular & Interventional Radiology Physician1326345257
- Enrique Alfaro, M.D.Hospitalist Physician1184606279
- Scott Allen, M.D.Anesthesiology Physician1881980399
Verify Brett S. Wallin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 7984164-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
454 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 27 claims were for opioids.
Most prescribed
- Levofloxacin31 claims
- Amoxicillin-Clavulanate Potass30 claims
- Eliquis22 claims
- Carvedilol19 claims
- Pantoprazole Sodium16 claims
- Torsemide14 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.
Bills Medicare through one group practice
- Ihc Health Services IncSt George, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brett S. Wallin among 664 internal medicine physician records in Utah
Brett S. Wallin, M.D is one of 664 internal medicine physician records with a practice address in Utah. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 52% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2007 · median 2007 among the 354 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Utah
There are 664 internal medicine physician records in Utah.
All 664 in Utah → Every provider in St George → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Bennett, MDSaint George, UT 847901407871510
- Michael Codiga, MDSt George, UT 847901306888219
- Christine Foster, M.D.St George, UT 847901205875747
- Joshua Frame, DOSt George, UT 847901437143443
- Karen Frieden, M.D.St George, UT 847901043289820
- Michelle Gilbert, MDSt George, UT 847901992876452
- Jerold Hagen, MDSt George, UT 847901639102635
- Thomas Jones, MDSt George, UT 847901861410276
Common questions
What is Brett S. Wallin, M.D's NPI number?
Brett S. Wallin, M.D's National Provider Identifier (NPI) is 1457557613, issued on Jun 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Brett S. Wallin, M.D located?
The NPPES record lists a practice address at 1380 E Medical Center Dr, St George, UT, 84790. Phone: (435) 251-2992. Providers update this record themselves, so call before visiting.
How can I verify Brett S. Wallin, M.D's license?
NPPES lists Utah license number 7984164-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brett S. Wallin, M.D prescribe under Medicare Part D?
In 2024, Brett S. Wallin, M.D had 454 Medicare Part D claims for 181 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.