TONYA JOHANNES ARNP
NPI 1205292448
Nurse Practitioner - Family in Oskaloosa, IA
About Tonya Johannes Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TONYA JOHANNES ARNP (NPI 1205292448) is an individual family provider in Oskaloosa, Iowa, licensed in Iowa (A122183) and active in the NPI registry since January 2016. She is enrolled in Medicare PECOS, is affiliated with Mahaska Health Partnership, and is a graduate of Other (2015).
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 and accepts Medicare assignment
Tonya Johannes Arnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Tonya Johannes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oskaloosa, IA 52577
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1407869852 (Iowa)
- 111 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mahaska Health Partnership
Critical Access Hospitals · Oskaloosa, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52577 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OSKALOOSA, IA 52577
OSKALOOSA, IA 52577
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 Tonya Johannes's NPI number?
The NPI number for Tonya Johannes is 1205292448. It was assigned to this individual provider in the NPPES registry on January 4, 2016.
Where is Tonya Johannes located?
Tonya Johannes practices at 1229 C Ave E, Oskaloosa, IA 52577. The listed phone number is (641) 672-3360.
What is Tonya Johannes's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tonya Johannes enrolled in Medicare?
Yes. Tonya Johannes is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Tonya Johannes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tonya Johannes reassigns Medicare benefits to Mahaska County Hospital (Oskaloosa, IA). The 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 Tonya Johannes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tonya Johannes accept?
Health plans from Ambetter Health, Ambetter from Sunflower Health Plan, Medica and Wellmark Health Plan of Iowa, Inc. list Tonya Johannes 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.
Is Tonya Johannes affiliated with any hospitals?
According to CMS data, Tonya Johannes is affiliated with Mahaska Health Partnership.
When was this NPI record last updated?
The NPPES record for Tonya Johannes was last updated on January 4, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Tonya Johannes, ARNP · NPI 1205292448
Family physician in Oskaloosa, Iowa. Individual provider, active in the CMS NPPES registry since January 4, 2016.
## Identity
- **NPI:** 1205292448 (Entity type: Individual)
- **Enumerated:** January 4, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** A122183 (Iowa)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1229 C AVE E, Oskaloosa, IA 52577-4246
- **Phone:** (641) 672-3360
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mahaska County Hospital (NPI 1356320659, Oskaloosa, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** January 4, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1205292448) · Data from the CMS NPPES public registry.