Doctor profile · Federal record

Dr. Karissa Weaver, PMHNP

Psychiatric/Mental Health Clinical Nurse Specialist (CMS: Certified Clinical Nurse Specialist (CNS)) · Sioux City, IA

  • NPI 1285490896
  • Accepts Medicare
  • 3 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
625 Court St
Sioux City, IA 511011919
(712) 252-3871
Mailing address
Po Box 305
Correctionville, IA 510160305

Credentials & registration

NPPES · NUCC
NPI registered
February 2024 — 2 yrs on file
Profile last updated
February 23, 2024
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
364SP0808X — NUCC code
State license (1)
Iowa #G178290

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285490896. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,315
Transactions
104
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 21 $254.92
Neurocrine Biosciences, INC. 15 $198.31
Alkermes, INC. 14 $182.45
Teva Pharmaceuticals USA, INC. 12 $178.59
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 13 $145.47
Otsuka America Pharmaceutical, INC. 13 $134.65
Corium, LLC 7 $55.03
Lundbeck LLC 3 $50.87
Vanda Pharmaceuticals INC. 1 $26.58
Tris Pharma INC 1 $22.84
Supernus Pharmaceuticals, INC. 1 $19.13
E.R. Squibb & Sons, L.L.C. 1 $17.82
Indivior INC. 1 $15.16
Noven Therapeutics, LLC 1 $13.21

By nature of payment

Food and Beverage
$1,315

Frequently asked questions

Auto-generated from federal data
What is Dr. Karissa Weaver's medical specialty?
Dr. Karissa Weaver practices Psychiatric/Mental Health Clinical Nurse Specialist in Sioux City, IA.
Where does Dr. Karissa Weaver practice?
Dr. Karissa Weaver practices at 625 Court St, Sioux City, IA 511011919. Office phone: 7122523871.
What is Dr. Karissa Weaver's NPI?
Dr. Karissa Weaver's National Provider Identifier (NPI) is 1285490896, issued by NPPES.
Does Dr. Karissa Weaver accept Medicare assignment?
Yes. Dr. Karissa Weaver accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.