Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Adam J. Horn, NP

Individual provider Mental Health Counselor · NPI 1255515896

Mr. Adam J. Horn, NP is a Mental Health Counselor in Johnson City, Tennessee. Works from 3 locations. Licensed in Colorado, Tennessee, Virginia and Washington.

Licensed in
CO, TN, VA, WA
In the registry since
2007
Specialties on file
4
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

403 N State Of Franklin Rd
Johnson City, TN 37604-6034
Phone: (423) 431-7047
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1900 Reston Metro Plz Ste 600, Reston, VA 20190-5952 — (703) 256-1600
  • 325 E Pioneer Ave, Puyallup, WA 98372-3265 — (253) 697-8548

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 0024181268 (VA)
Mental Health Counselor Taxonomy 101YM0800X · Licence LH00010956 (WA)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence C-RXN.0001416-C-NP (CO)
Adult Psychiatric/Mental Health Clinical Nurse Specialist Taxonomy 364SP0809X · Licence 22909 (TN)

Record details

NPI number1255515896
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedDecember 18, 2007
Last updated in NPPESJanuary 22, 2026
Certification dateJanuary 22, 2026

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