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

Dr. Zachary A. Hammons, MD

Individual provider Psychiatry Physician · NPI 1073779799

Dr. Zachary A. Hammons, MD is a Psychiatry in Johnson City, Tennessee. Graduated from East Tennessee State University Quillen College of Medicine in 2012, 14 years ago. Practices with Catalyst Health Solutions, LLC, a 9-clinician group, works from 9 locations and accepts Medicare assignment. Licensed in Tennessee and Virginia.

Years since qualifying
14
Trained at
East Tennessee State University Quillen College of Medicine
Licensed in
TN, VA
In the registry since
2008
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1018 Chase Dr
Johnson City, TN 37604-1402
Phone: (423) 282-3379
Fax: (423) 430-6227
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (8)

  • 1 Medical Park Blvd Fl 5, Bristol, TN 37620-7430 — (423) 844-1121
  • 438 E Vann Rd Ste 202, Greeneville, TN 37743-7202 — (438) 220-2237
  • 701 Med Tech Pkwy Ste 201, Johnson City, TN 37604-2365 — (423) 302-3480
  • 926 W Oakland Ave Ste 206, Johnson City, TN 37604-1445 — (423) 282-3379
  • 701 Med Tech Pkwy Ste 200, Johnson City, TN 37604-2371 — (423) 302-3480
  • 2000 Brookside Dr, Kingsport, TN 37660-4627 — (423) 245-2406
  • 2204 Pavilion Dr Ste 107, Kingsport, TN 37660-4651 — (423) 343-1442
  • 103 North St Ste A, Bristol, VA 24201-3201 — (423) 844-6000

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 45653 (TN)
Psychiatry Physician Taxonomy 2084P0800X · Licence 0101246145 (VA)
Addiction Medicine (Preventive Medicine) Physician Taxonomy 2083A0300X · Licence 45653 (TN)
Addiction Medicine (Preventive Medicine) Physician Taxonomy 2083A0300X · Licence 0101246145 (VA)

Record details

NPI number1073779799
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2008
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolEAST TENNESSEE STATE UNIVERSITY QUILLEN COLLEGE OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Catalyst Health Solutions,Llc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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