Brett S. Mathers, DO
Internal Medicine Physician · Huron, SD
Brett S. Mathers, DO is an internal medicine physician with a practice address in Huron, South Dakota, and NPI 1417440785, issued on Jun 12, 2018. Check the license (South Dakota 12927, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Brett S. Mathers
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 12927 SD
Self-reported in NPPES; status is on the state search - Practice location
- 172 4TH St SE, Huron, SD 57350
- Phone
- (605) 353-6200
- Enumerated
- Jun 12, 2018
- Record last updated
- Sep 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (605) 353-6300
- Medicare enrollment
- Enrolled (PECOS I20240403001218); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2018
- Entity
- Type 1 · individual
Also registered at 172 4TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Barnhard, CRNACertified Registered Nurse Anesthetist1356600761
- Sara Braskamp, RD LNRegistered Dietitian1528606548
- Yukiko Brewer, MDInternal Medicine Physician1073204731
- Kelly Burke, PTAPhysical Therapy Assistant1104600204
- Jerry Chesley, PAPhysician Assistant1164404794
- Lucinda Doyle, NPFamily Nurse Practitioner1558593954
Verify Brett S. Mathers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 12927Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average internal medicine physician in 2024
5,380 Medicare Part D claims for 569 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 76 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium277 claims
- Atorvastatin Calcium194 claims
- Lisinopril194 claims
- Pantoprazole Sodium180 claims
- Amlodipine Besylate174 claims
- Gabapentin164 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $16.46
1 payment: food and beverage; the largest payer was Dexcom, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Avera MarshallMarshall, MN
- Rural Health Care IncWorthington, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
7 internal medicine physician records list a practice address in Huron
They are 7 of the 202 NPPES records with a practice address in Huron, and 247 internal medicine physician records in South Dakota.
All 7 in Huron → All 247 in South Dakota → Every provider in Huron →
Other internal medicine physician records in South Dakota
- Ghaith Aboud, M.DWatertown, SD1497117618
- Joyce Achenjang, M.DPine Ridge, SD1750736096
- Boakye-Yiadom Adomako, M.D.Yankton, SD1720774771
- Comfort Agaba, MDSioux Falls, SD1891221123
- Abdalah Ahmed, MDSioux Falls, SD1457091993
- Mohammad Ahmed, M.DSioux Falls, SD1528417821
- Munir Ahmed, M.D.Sisseton, SD1962577585
- Shakeel Ahmed, MDRapid City, SD1356773113
- Hadi Al-Hasnawi, M.DSioux Falls, SD1518351808
- Marc Aldrich, MDRapid City, SD1932209442
Common questions
What is Brett S. Mathers, DO's NPI number?
Brett S. Mathers, DO's National Provider Identifier (NPI) is 1417440785, issued on Jun 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Brett S. Mathers, DO located?
The NPPES record lists a practice address at 172 4TH St SE, Huron, SD, 57350. Phone: (605) 353-6200. Providers update this record themselves, so call before visiting.
How can I verify Brett S. Mathers, DO's license?
NPPES lists South Dakota license number 12927, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brett S. Mathers, DO prescribe under Medicare Part D?
In 2024, Brett S. Mathers, DO had 5,380 Medicare Part D claims for 569 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Brett S. Mathers, DO's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.