ADRIAN UNGER APRN
NPI 1396210514
Nurse Practitioner - Family in Tahlequah, OK
About Adrian Unger Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADRIAN UNGER APRN (NPI 1396210514) is an individual family provider in Tahlequah, Oklahoma, licensed in Oklahoma (0088986) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS, is affiliated with Northeastern Health System, and is a graduate of Other (2018).
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
Adrian Unger Aprn 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 Reassignments
3Medicare enrollment records show Adrian Unger reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tahlequah, OK 74464
- Reassigned Medicare billing, Oklahoma enrollment
- 159 clinicians in this Medicare group
Tahlequah, OK 74464
- Reassigned Medicare billing, Oklahoma enrollment
- 42 clinicians in this Medicare group
Stilwell, OK 74960
- Reassigned Medicare billing, Oklahoma enrollment
- 49 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 7
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northeastern Health System
Acute Care Hospitals · Tahlequah, OKMemorial Hospital
Acute Care Hospitals · Stilwell, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74464 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 Adrian Unger's NPI number?
The NPI number for Adrian Unger is 1396210514. It was assigned to this individual provider in the NPPES registry on October 4, 2018.
Where is Adrian Unger located?
Adrian Unger practices at 22408 Highway 51, Tahlequah, OK 74464. The listed phone number is (918) 456-6250.
What is Adrian Unger's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Adrian Unger enrolled in Medicare?
Yes. Adrian Unger 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 organizations bill Medicare for Adrian Unger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adrian Unger reassigns Medicare benefits to 3 organizations: Northeastern Health System (Tahlequah, OK), Tahlequah Medical Group LLC (Tahlequah, OK) and Adair County Health Center,inc. (Stilwell, OK). 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 Adrian Unger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Adrian Unger accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Adrian Unger 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 Adrian Unger affiliated with any hospitals?
According to CMS data, Adrian Unger is affiliated with Northeastern Health System and Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Adrian Unger was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.