Individual Healthcare Provider
Zachary A. Hammons, MD
Provider's NPPES record last updated: September 17, 2025
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1073779799
- Primary Specialty
- Psychiatry & Neurology — Psychiatry
- Practice Location
- Johnson City, Tennessee
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 3:34 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Psychiatry & Neurology
Psychiatry
Allopathic & Osteopathic Physicians
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Taxonomy code 2084P0800X Preventive Medicine
Addiction Medicine
Allopathic & Osteopathic Physicians
A physician engaged in the subspecialty practice of Addiction Medicine who specializes in the prevention, evaluation, diagnosis, treatment, and recovery of persons with the disease of addiction.
Taxonomy code 2083A0300X
Provider-Reported License Information
- Psychiatry & Neurology (Tennessee)
- 45653
- Psychiatry & Neurology (Virginia)
- 0101246145
- Preventive Medicine (Tennessee)
- 45653
- Preventive Medicine (Virginia)
- 0101246145
Practice Locations
Practice Location
1018 Chase Dr
Johnson City, Tennessee 37604-1402
Phone: (423) 282-3379
Additional Practice Location
2000 Brookside Dr
Kingsport, Tennessee 37660-4627
Phone: (423) 245-2406
Additional Practice Location
438 E Vann Rd Ste 202
Greeneville, Tennessee 37743-7202
Phone: (438) 220-2237
Additional Practice Location
2204 Pavilion Dr Ste 107
Kingsport, Tennessee 37660-4651
Phone: (423) 343-1442
Additional Practice Location
926 W Oakland Ave Ste 206
Johnson City, Tennessee 37604-1445
Phone: (423) 282-3379
Fax: (423) 430-6227
Additional Practice Location
103 North St Ste A
Bristol, Virginia 24201-3201
Phone: (423) 844-6000
Additional Practice Location
701 Med Tech Pkwy Ste 201
Johnson City, Tennessee 37604-2365
Phone: (423) 302-3480
Additional Practice Location
1 Medical Park Blvd Fl 5
Bristol, Tennessee 37620-7430
Phone: (423) 844-1121
Additional Practice Location
701 Med Tech Pkwy Ste 200
Johnson City, Tennessee 37604-2371
Phone: (423) 302-3480
Record Information
- Enumeration Date
- August 1, 2008
- Provider's NPPES Record Last Updated
- September 17, 2025
- Certification Date
- September 17, 2025
- NPISignal NPPES Dataset
- August 2026
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