MS. TONYA NICHOLE HORN ARNP FNP-C, FNP-BC
NPI 1285216077
Nurse Practitioner - Pediatrics in Oskaloosa, IA
About Ms. Tonya Nichole Horn Arnp Fnp-c, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. TONYA NICHOLE HORN ARNP FNP-C, FNP-BC (NPI 1285216077) is an individual pediatrics provider in Oskaloosa, Iowa, licensed in Iowa (A164211) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Mahaska Health Partnership, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 3
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
Ms. Tonya Nichole Horn Arnp Fnp-c, Fnp-bc 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 Horn 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.
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.
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 Horn's NPI number?
The NPI number for Tonya Horn is 1285216077. It was assigned to this individual provider in the NPPES registry on April 22, 2021.
Where is Tonya Horn located?
Tonya Horn practices at 1229 C Ave E, Oskaloosa, IA 52577. The listed phone number is (641) 672-3100.
What is Tonya Horn's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Tonya Horn enrolled in Medicare?
Yes. Tonya Horn 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 Horn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tonya Horn 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 Horn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tonya Horn accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Wellmark Health Plan of Iowa, Inc. list Tonya Horn 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 Horn affiliated with any hospitals?
According to CMS data, Tonya Horn is affiliated with Mahaska Health Partnership.
When was this NPI record last updated?
The NPPES record for Tonya Horn was last updated on October 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ms. Tonya Nichole Horn, ARNP FNP-C, FNP-BC · NPI 1285216077
Pediatrics physician in Oskaloosa, Iowa. Individual provider, active in the CMS NPPES registry since April 22, 2021.
## Identity
- **NPI:** 1285216077 (Entity type: Individual)
- **Enumerated:** April 22, 2021
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** A164211 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1229 C AVE E, Oskaloosa, IA 52577-4246
- **Phone:** (641) 672-3100
## 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 2021
## Record status
- **NPPES last updated:** October 4, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1285216077) · Data from the CMS NPPES public registry.