Doctor profile · Federal record

Dr. Larissa Smith, D.O.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Stillwater, OK

  • NPI 1033451687
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1411 W 7Th Ave
Stillwater, OK 740744300
(405) 742-8222
Additional location
717 S Houston Ave
Tulsa, OK 741279023
(918) 382-3178
fax (918) 382-6789
Mailing address
Po Box 720006
Norman, OK 730704006

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
March 26, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Oklahoma #5625

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033451687. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
38
Distinct HCPCS
2
Medicare allowed
$3,576
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 20 13 $84
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $105

In context: peer comparison

Among 3 peers in Stillwater Obstetrics & Gynecology Physician, average services per provider: 22. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$558
Transactions
24
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 11 $251.92
Agile Therapeutics, INC. 3 $66.51
Sumitomo Pharma America, INC. 3 $63.21
Exeltis, USA INC. 3 $58.66
Minerva Surgical, INC 1 $48.34
Pfizer INC. 2 $40.68
Hologic Sales and Service, LLC 1 $29.17

By nature of payment

Food and Beverage
$558

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Larissa Smith's medical specialty?
Dr. Larissa Smith practices Obstetrics & Gynecology Physician in Stillwater, OK.
Where does Dr. Larissa Smith practice?
Dr. Larissa Smith practices at 1411 W 7Th Ave, Stillwater, OK 740744300. Office phone: 4057428222.
What is Dr. Larissa Smith's NPI?
Dr. Larissa Smith's National Provider Identifier (NPI) is 1033451687, issued by NPPES.
Does Dr. Larissa Smith accept Medicare assignment?
Yes. Dr. Larissa Smith accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larissa Smith commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.