Riley Aaron Lamb, M.D.
Surgery Physician · Pierre, SD
Riley Aaron Lamb, M.D. is a surgery physician with a practice address in Pierre, South Dakota, and NPI 1588815641, issued on Oct 8, 2008. Check the license (South Dakota 8931, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Riley Aaron Lamb
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 8931 SD
Self-reported in NPPES; status is on the state search - Practice location
- 100 Mac LN, Pierre, SD 57501
- Phone
- (605) 224-5901
- Enumerated
- Oct 8, 2008
- Record last updated
- Apr 1, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131114000324); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 114 in South Dakota → Look up another NPI →
Also registered at 100 Mac LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brandt Becker, M.D.Surgery Physician1538321708
- Danielle Campbell, FNPFamily Nurse Practitioner1003595471
- Teresa Cass, CPNPPediatric Nurse Practitioner1477716736
- Julie Cox, CNPFamily Nurse Practitioner1063857233
- Stacy CwachPhysician Assistant1790233591
- Alyssa Etzkorn, PA-CPhysician Assistant1235780883
Verify Riley Aaron Lamb 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 8931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average surgery physician in 2024
128 Medicare Part D claims for 59 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 22 claims were for opioids.
Most prescribed
- Pantoprazole Sodium42 claims
- Hydrocodone-Acetaminophen12 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: $18.00
1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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 GettysburgGettysburg, SD
- Avera St MarysPierre, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Riley Aaron Lamb among 114 surgery physician records in South Dakota
Riley Aaron Lamb, M.D. is one of 114 surgery physician records with a practice address in South Dakota. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 68% of them.
- NPI issued2008 · 68% of these records are older, 27% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2006 among the 72 with a school on file
- Record last updated2014 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 surgery physician records list a practice address in Pierre
They are 4 of the 283 NPPES records with a practice address in Pierre, and 114 surgery physician records in South Dakota.
All 114 in South Dakota → Every provider in Pierre → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Eldon Becker, MDPierre, SD 575011023083797
- Brandt Becker, M.D.Pierre, SD 575011538321708
- Rodney Vizcarra, MDPierre, SD 575011538122015
- Thomas Kosina, M.D.Winner, SD 575801336287499
- Rick Wagner, MDWinner, SD 575801376509687
- Sara Dye, MDAberdeen, SD 574011215900485
- Amy Hiuser, M.D.Aberdeen, SD 574011861624264
- Andrew Hoffman, M.D.Mobridge, SD 576011104934389
Common questions
What is Riley Aaron Lamb, M.D.'s NPI number?
Riley Aaron Lamb, M.D.'s National Provider Identifier (NPI) is 1588815641, issued on Oct 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Riley Aaron Lamb, M.D. located?
The NPPES record lists a practice address at 100 Mac LN, Pierre, SD, 57501. Phone: (605) 224-5901. Providers update this record themselves, so call before visiting.
How can I verify Riley Aaron Lamb, M.D.'s license?
NPPES lists South Dakota license number 8931, 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 Riley Aaron Lamb, M.D. prescribe under Medicare Part D?
In 2024, Riley Aaron Lamb, M.D. had 128 Medicare Part D claims for 59 beneficiaries; the average among surgery physician prescribers was 147. 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.