TAMMI ANNETTE MATT
NPI 1093325656
Nurse Practitioner - Family in Sioux City, IA
About Tammi Annette Matt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMI ANNETTE MATT (NPI 1093325656) is an individual family provider in Sioux City, Iowa, licensed in Iowa (A160264) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tammi Annette Matt is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Tammi Matt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux City, IA 51105
- Reassigned Medicare billing, Iowa and Nebraska enrollments
- Also billed through NPI 1912378480 (Nebraska)
- 47 clinicians in this Medicare group
Estherville, IA 51334
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1508810177 (Iowa)
- 33 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tammi Matt's NPI number?
The NPI number for Tammi Matt is 1093325656. It was assigned to this individual provider in the NPPES registry on August 7, 2020.
Where is Tammi Matt located?
Tammi Matt practices at 309 Cook St, Sioux City, IA 51103. The listed phone number is (712) 233-4144.
What is Tammi Matt's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tammi Matt enrolled in Medicare?
Yes. Tammi Matt is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Tammi Matt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammi Matt reassigns Medicare benefits to 2 organizations: Siouxland Community Health Center (Sioux City, IA) and Avera Holy Family (Estherville, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tammi Matt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammi Matt accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross and Blue Shield of Nebraska and Oscar Health and 4 other insurers list Tammi Matt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Tammi Matt was last updated on August 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Tammi Annette Matt · NPI 1093325656
Family physician in Sioux City, Iowa. Individual provider, active in the CMS NPPES registry since August 7, 2020.
## Identity
- **NPI:** 1093325656 (Entity type: Individual)
- **Enumerated:** August 7, 2020
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** A160264 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 309 COOK ST, Sioux City, IA 51103-3707
- **Phone:** (712) 233-4144
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Siouxland Community Health Center (NPI 1558355305, Sioux City, IA); Avera Holy Family (NPI 1124056338, Estherville, IA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 7, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1093325656) · Data from the CMS NPPES public registry.