TAMMY HORTON RN MSN ARNP
NPI 1811943426
Nurse Practitioner - Family in Ada, OK
About Tammy Horton Rn Msn Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY HORTON RN MSN ARNP (NPI 1811943426) is an individual family provider in Ada, Oklahoma, licensed in Oklahoma (132396) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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)
Tammy Horton Rn Msn Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tammy Horton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ada, OK 74820
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Chickasaw Nation Division Of Health Chickasaw Nation Medical Center
- 324 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 74820 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 20
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 Tammy Horton's NPI number?
The NPI number for Tammy Horton is 1811943426. It was assigned to this individual provider in the NPPES registry on May 25, 2006. The provider is also known as Tammy Carroll Rn Msn Arnp.
Where is Tammy Horton located?
Tammy Horton practices at 1921 Stonecipher Dr, Ada, OK 74820. The listed phone number is (580) 436-3980.
What is Tammy Horton's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tammy Horton enrolled in Medicare?
Yes. Tammy Horton is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tammy Horton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Horton reassigns Medicare benefits to Chickasaw Nation Division Of Health (Ada, OK). 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 Tammy Horton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Horton accept?
Health plans from Oscar Insurance Company and UnitedHealthcare list Tammy Horton 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 Tammy Horton was last updated on July 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Tammy Horton, RN MSN ARNP · NPI 1811943426
Family physician in Ada, Oklahoma. Individual provider, active in the CMS NPPES registry since May 25, 2006.
## Identity
- **NPI:** 1811943426 (Entity type: Individual)
- **Enumerated:** May 25, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 132396 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1921 STONECIPHER DR, Ada, OK 74820-3439
- **Phone:** (580) 436-3980 · **Fax:** (580) 421-6283
## 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:** Chickasaw Nation Division Of Health (NPI 1255364923, Ada, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1811943426) · Data from the CMS NPPES public registry.