Larissa Bennis, MD
Obstetrics & Gynecology Physician · Brookings, SD
Larissa Bennis, MD is an obstetrics & gynecology physician with a practice address in Brookings, South Dakota, and NPI 1851612337, issued on Jun 18, 2010. Check the license (South Dakota 9140, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Larissa Bennis
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 9140 SD
Self-reported in NPPES; status is on the state search - Practice location
- 310 22ND Ave, Brookings, SD 57006
- Phone
- (605) 696-2700
- Enumerated
- Jun 18, 2010
- Record last updated
- Jun 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141103002456); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2010
- Entity
- Type 1 · individual
Also registered at 310 22ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Abele, M.D.Obstetrics & Gynecology Physician1477934842
- Abby Gietzen, PA-CPhysician Assistant1205225661
- Michael Holmoe, D.O.Orthopaedic Surgery Physician1548559867
- Paige Jones, PA-CPhysician Assistant1700202942
Verify Larissa Bennis 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 9140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
45 Medicare Part D claims for 14 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol18 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: $23.02
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- City OF BrookingsBrookings, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
6 obstetrics & gynecology physician records list a practice address in Brookings
They are 6 of the 375 NPPES records with a practice address in Brookings, and 99 obstetrics & gynecology physician records in South Dakota.
All 6 in Brookings → All 99 in South Dakota → Every provider in Brookings →
Other obstetrics & gynecology physician records in South Dakota
- Emily Abele, M.D.Brookings, SD1477934842
- Angela Anderson, MDRapid City, SD1407843683
- Ronald Anderson, M.D.Mitchell, SD1558471573
- Breanne Anderson-Mueller, M.D.Aberdeen, SD1376771881
- Terrence Babb, M.D.Brookings, SD1427168764
- Dalton Baird, MDMitchell, SD1295363463
- Jeffrey BendtRapid City, SD1891747374
- Shana Bernhard, MDRapid City, SD1386691939
- Scott Berry, MDAberdeen, SD1780758417
- Marcia BesharaRapid City, SD1154373231
Common questions
What is Larissa Bennis, MD's NPI number?
Larissa Bennis, MD's National Provider Identifier (NPI) is 1851612337, issued on Jun 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Larissa Bennis, MD located?
The NPPES record lists a practice address at 310 22ND Ave, Brookings, SD, 57006. Phone: (605) 696-2700. Providers update this record themselves, so call before visiting.
How can I verify Larissa Bennis, MD's license?
NPPES lists South Dakota license number 9140, 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 Larissa Bennis, MD prescribe under Medicare Part D?
In 2024, Larissa Bennis, MD had 45 Medicare Part D claims for 14 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.