Doctor profile · Federal record

Dr. Larissa Bennis, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Brookings, SD

  • NPI 1851612337
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
310 22Nd Ave
Brookings, SD 570062474
(605) 696-2700

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
June 27, 2019
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
South Dakota #9140

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851612337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
19
Distinct HCPCS
1
Medicare allowed
$1,198
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 19 16 $63

In context: peer comparison

Among 1 peers in Brookings Obstetrics & Gynecology Physician, average services per provider: 19. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 1 $23.02

By nature of payment

Food and Beverage
$23

Frequently asked questions

Auto-generated from federal data
What is Dr. Larissa Bennis's medical specialty?
Dr. Larissa Bennis practices Obstetrics & Gynecology Physician in Brookings, SD.
Where does Dr. Larissa Bennis practice?
Dr. Larissa Bennis practices at 310 22Nd Ave, Brookings, SD 570062474. Office phone: 6056962700.
What is Dr. Larissa Bennis's NPI?
Dr. Larissa Bennis's National Provider Identifier (NPI) is 1851612337, issued by NPPES.
Does Dr. Larissa Bennis accept Medicare assignment?
Yes. Dr. Larissa Bennis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larissa Bennis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.