Quick answers
- Where does Karissa M. Weaver see patients?
- Medicare's clinician data lists 2 practice locations, including Sioux City, IA. Call before your visit to confirm the address.
- What is Karissa M. Weaver's specialty?
- Medicare lists Certified Clinical Nurse Specialist (CNS) as the primary specialty.
- Does Karissa M. Weaver accept Medicare assignment?
- Yes. Medicare's clinician data says Karissa M. Weaver accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Karissa M. Weaver offer telehealth?
- Medicare's clinician data says Karissa M. Weaver offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Karissa M. Weaver?
- (712) 252-3871, as listed in official Medicare / NPI Registry data.
- What is Karissa M. Weaver's NPI number?
- 1285490896. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Karissa M. Weaver is enrolled with Medicare (CMS data updated 2026-10-02).
- 4265 Sergeant RdSioux City, IA 51106
- 625 Court StSioux City, IA 51101 (712) 252‑3871
Group practices
Medicare enrollment lists Karissa M. Weaver as a member of this group (CMS data updated 2026-10-02).
- Siouxland Mental Health Services Inc30 clinicians in the group
Specialties
Find other clinicians: Certified Clinical Nurse Specialist (CNS), Iowa →
Other clinical nurse specialists in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285490896 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians