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MRS. STEFANIE P YOON FNP-C
NPI 1447781018
Nurse Practitioner - Family in Johnson City, TN

Active since March 24, 2017PECOS Enrolled
325 N. STATE OF FRANKLIN ROAD, GROUND FLOOR, JOHNSON CITY, TN 37604(423) 439-7320(423) 439-7373 Get Directions Write a Review

NPPES record last updated: February 27, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 3, 2020, Mar 24, 2017 (2 updates tracked since 2017).

About Mrs. Stefanie P Yoon Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. STEFANIE P YOON FNP-C (NPI 1447781018) is an individual family provider in Johnson City, Tennessee, licensed in Tennessee (22470) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447781018
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. STEFANIE P YOONCredential: FNP-C
Location Address325 N. STATE OF FRANKLIN ROAD, GROUND FLOORJohnson City, TN 37604
Mailing AddressPo Box 699Mountain Home, TN 37684-0699 · (423) 433-6039 · Fax (423) 433-6060
Phone(423) 439-7320
Fax(423) 439-7373
Sole ProprietorNo
Enumeration DateMarch 24, 2017
Last NPPES UpdateFebruary 27, 20242 updates tracked since enumeration
NPPES CertifiedFebruary 27, 2024
✔ NPI 1447781018 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TN · 22470
325 N. STATE OF FRANKLIN ROAD, GROUND FLOOR, Johnson City, TN 37604
Open in Google Maps ↗

Other Identifiers 1

MedicaidQ054547TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Stefanie P Yoon Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Stefanie Yoon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medical Education Assistance Corporation
2.6 mi
Internal Medicine
101 MED TECH PKWY STE 306
Johnson City, TN 37604
  • Reassigned Medicare billing, Tennessee enrollment
  • 341 clinicians in this Medicare group
NPI 1235180480 (423) 433-6039

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 37604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JODI B GAGE M.D.
Pediatrics
325 N. STATE OF FRANKLIN ROAD, GROUND FLOOR
JOHNSON CITY, TN 37604
Washington County (423) 439-7320
TERESA A. BECKER NP
Nurse Practitioner (Neonatal)
325 N. STATE OF FRANKLIN ROAD, GROUND FLOOR
JOHNSON CITY, TN 37604
Washington County (423) 439-7320
ROBERT MATTHEW TOLLIVER PHD
Psychologist
325 N. STATE OF FRANKLIN ROAD, GROUND FLOOR
JOHNSON CITY, TN 37604
Washington County (423) 439-7320
JOSHUA MICHAEL HENRY M.D.
Pediatrics
325 N. STATE OF FRANKLIN ROAD, GROUND FLOOR
JOHNSON CITY, TN 37604
Washington County (423) 439-7320
DR. BRITTNEA JEAN ADCOCK D.O.
Pediatrics (Neonatal-Perinatal Medicine)
325 N. STATE OF FRANKLIN ROAD, GROUND FLOOR
JOHNSON CITY, TN 37604
Washington County (423) 439-7320
VARUN KUMAR
Pediatrics
325 N. STATE OF FRANKLIN ROAD, GROUND FLOOR
JOHNSON CITY, TN 37604
Washington County (423) 439-7320
BRANDI N JOHNSON LMSW
Social Worker (Clinical)
325 N. STATE OF FRANKLIN ROAD, GROUND FLOOR
JOHNSON CITY, TN 37604
Washington County (423) 439-7320

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 Stefanie Yoon's NPI number?

The NPI number for Stefanie Yoon is 1447781018. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Where is Stefanie Yoon located?

Stefanie Yoon practices at 325 N. State Of Franklin Road, Ground Floor, Johnson City, TN 37604. The listed phone number is (423) 439-7320.

What is Stefanie Yoon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Stefanie Yoon enrolled in Medicare?

Yes. Stefanie Yoon is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stefanie Yoon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stefanie Yoon reassigns Medicare benefits to Medical Education Assistance Corporation (Johnson City, TN). 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 Stefanie Yoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stefanie Yoon accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Stefanie Yoon 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 Stefanie Yoon was last updated on February 27, 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.