MR. ADAM J. HORN NP
NPI 1255515896
Nurse Practitioner - Psychiatric/Mental Health in Johnson City, TN

Active since December 18, 2007PECOS Enrolled
403 N STATE OF FRANKLIN RD, JOHNSON CITY, TN 37604(423) 431-7047 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 22, 2026, Aug 11, 2021, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Mr. Adam J. Horn Np NPPES

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

MR. ADAM J. HORN NP (NPI 1255515896) is an individual psychiatric/mental health provider in Johnson City, Tennessee, licensed in Virginia (0024181268) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1255515896
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMR. ADAM J. HORNCredential: NP
Location Address403 N STATE OF FRANKLIN RDJohnson City, TN 37604-6034
Mailing Address21937 Bramblebush TerBroadlands, VA 20148-5313 · (423) 330-2316
Sole ProprietorNo
Enumeration DateDecember 18, 2007
Last NPPES UpdateJanuary 22, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
NPI 1255515896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in VA · 0024181268 Licensed in CO · C-RXN.0001416-C-NP
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License LH00010956 (WA)
Also ListedClinical Nurse Specialist · Psychiatric/Mental Health, AdultTaxonomy 364SP0809X · License 22909 (TN)
403 N STATE OF FRANKLIN RD, Johnson City, TN 37604

Secondary Practice Locations 2

Location 11900 Reston Metro Plz Ste 600Reston, VA 20190-5952 · Phone (703) 256-1600 · Fax (703) 719-3341
Location 2325 E Pioneer AvePuyallup, WA 98372-3265 · Phone (253) 697-8548 · Fax (253) 697-8392

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. Adam J. Horn Np 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.

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 20

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

Psychiatric Unit
403 N STATE OF FRANKLIN RD
JOHNSON CITY, TN 37604
Psychiatry & Neurology (Psychiatry)
403 N STATE OF FRANKLIN RD
JOHNSON CITY, TN 37604
Counselor (Professional)
403 N STATE OF FRANKLIN RD
JOHNSON CITY, TN 37604
Psychiatry & Neurology (Psychiatry)
403 N STATE OF FRANKLIN RD
JOHNSON CITY, TN 37604
Nurse Practitioner (Family)
403 N STATE OF FRANKLIN RD
JOHNSON CITY, TN 37604
Psychiatry & Neurology (Psychiatry)
403 N STATE OF FRANKLIN RD
JOHNSON CITY, TN 37604
Nurse Practitioner (Psychiatric/Mental Health)
403 N STATE OF FRANKLIN RD
JOHNSON CITY, TN 37604
Social Worker (Clinical)
403 N STATE OF FRANKLIN RD
JOHNSON CITY, TN 37604

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 Adam Horn's NPI number?

The NPI number for Adam Horn is 1255515896. It was assigned to this individual provider in the NPPES registry on December 18, 2007.

Where is Adam Horn located?

Adam Horn practices at 403 N State Of Franklin Rd, Johnson City, TN 37604. The listed phone number is (423) 431-7047.

What is Adam Horn's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Adam Horn enrolled in Medicare?

Yes. Adam Horn is registered in the Medicare PECOS enrollment system.

What insurance does Adam Horn accept?

Health plans from Oscar Health Maintenance Organization of Florida, Oscar Insurance Company and UnitedHealthcare list Adam 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.

When was this NPI record last updated?

The NPPES record for Adam Horn was last updated on January 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.