Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Karissa Marie Weaver, PMHNP

Individual provider Psychiatric/Mental Health Clinical Nurse Specialist · NPI 1285490896

Karissa Marie Weaver, PMHNP is a Certified Clinical Nurse Specialist (Cns) in Sioux City, Iowa. Qualified in 2023, 3 years ago. Practices with Siouxland Mental Health Services Inc, a 31-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Iowa.

Years since qualifying
3
Licensed in
IA
In the registry since
2024
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Practice location Address checks out

625 Court St
Sioux City, IA 51101-1919
Phone: (712) 252-3871
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Clinical Nurse Specialist (primary) Taxonomy 364SP0808X · Licence G178290 (IA)

Record details

NPI number1285490896
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP
Sole proprietorYes
NPI enumeratedFebruary 22, 2024
Last updated in NPPESFebruary 23, 2024
Certification dateFebruary 23, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED CLINICAL NURSE SPECIALIST (CNS)
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Siouxland Mental Health Services Inc — 31 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Sioux City