Registry data as of Aug 27, 2026

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 on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1851612337
Name
Larissa Bennis
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
Practice location
310 22ND Ave, Brookings, SD 57006
Phone
(605) 696-2700
Enumerated
Jun 18, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 310 22ND Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emily Abele, M.D.Obstetrics & Gynecology Physician1477934842
  2. Abby Gietzen, PA-CPhysician Assistant1205225661
  3. Michael Holmoe, D.O.Orthopaedic Surgery Physician1548559867
  4. Paige Jones, PA-CPhysician Assistant1700202942

Verify Larissa Bennis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic ExaminersCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

76% 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 188 among the 27,363 providers of this specialty who prescribed in Part D.

  1. Larissa Bennis45
  2. Specialty average188

Most prescribed

  1. 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, mostly food and beverage; the largest payer was Astellas Pharma US Inc. The 20,757 providers of this specialty with any payment received $1,147.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Larissa Bennis$23.02
  2. Specialty average$1,147.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. City OF BrookingsBrookings, SD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

5 obstetrics & gynecology physician records list a Brookings practice address

They are 5 of the 375 NPPES records with a Brookings practice address, and 96 obstetrics & gynecology physician records in South Dakota.

Other obstetrics & gynecology physician records in South Dakota

  1. Emily Abele, M.D.Brookings, SD1477934842
  2. Angela Anderson, MDRapid City, SD1407843683
  3. Ronald Anderson, M.D.Mitchell, SD1558471573
  4. Breanne Anderson-Mueller, M.D.Aberdeen, SD1376771881
  5. Dalton Baird, MDMitchell, SD1295363463
  6. Matthew Barker, M.D.Sioux Falls, SD1588629570
  7. Jeffrey BendtRapid City, SD1891747374
  8. Kevin Benson, MDSioux Falls, SD1649259227
  9. Shana Bernhard, MDRapid City, SD1386691939
  10. Scott Berry, MDAberdeen, SD1780758417

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?

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 188. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.