DR. ZACHARY A. HAMMONS MD
NPI 1073779799
Psychiatry & Neurology - Psychiatry in Johnson City, TN
About Dr. Zachary A. Hammons Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZACHARY A. HAMMONS MD (NPI 1073779799) is an individual psychiatry provider in Johnson City, Tennessee, licensed in Tennessee (45653) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, maintains 8 additional practice locations, and is a graduate of East Tennessee State University Quillen College Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 8
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Zachary A. Hammons Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Zachary Hammons reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Johnson City, TN 37604
- Reassigned Medicare billing, Tennessee enrollment
- 11 clinicians in this Medicare group
Johnson City, TN 37604
- Reassigned Medicare billing, Tennessee and Virginia enrollments
- Also billed through NPI 1962434068 (Virginia)
- 496 clinicians in this Medicare group
Johnson City, TN 37604
- Reassigned Medicare billing, Tennessee and Virginia enrollments
- Also billed through NPI 1295193183 (Virginia)
- 861 clinicians in this Medicare group
Greeneville, TN 37745
- Reassigned Medicare billing, Tennessee enrollment
- 35 clinicians in this Medicare group
Abingdon, VA 24211
- Reassigned Medicare billing, Virginia enrollment
- 57 clinicians in this Medicare group
St Paul, VA 24283
- Reassigned Medicare billing, Virginia enrollment
- 19 clinicians in this Medicare group
Marion, VA 24354
- Reassigned Medicare billing, Virginia enrollment
- 31 clinicians in this Medicare group
Richlands, VA 24641
- Reassigned Medicare billing, Virginia enrollment
- 26 clinicians in this Medicare group
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.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JOHNSON CITY, TN 37604
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 Zachary Hammons's NPI number?
The NPI number for Zachary Hammons is 1073779799. It was assigned to this individual provider in the NPPES registry on August 1, 2008.
Where is Zachary Hammons located?
Zachary Hammons practices at 1018 Chase Dr, Johnson City, TN 37604. The listed phone number is (423) 282-3379.
What is Zachary Hammons's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Zachary Hammons enrolled in Medicare?
Yes. Zachary Hammons is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Zachary Hammons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Hammons reassigns Medicare benefits to 8 organizations: Catalyst Health Solutions,llc (Johnson City, TN), Blue Ridge Medical Management Corporation (Johnson City, TN), Wellmont Medical Associates, Inc. (Johnson City, TN), Takoma Regional Hospital Inc (Greeneville, TN), Abingdon Physician Partners (Abingdon, VA) and 3 more organizations, listed in the Medicare section above. Each 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 Zachary Hammons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zachary Hammons accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 4 other insurers list Zachary Hammons 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 Zachary Hammons was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Dr. Zachary A. Hammons, MD · NPI 1073779799
Psychiatry physician in Johnson City, Tennessee. Individual provider, active in the CMS NPPES registry since August 1, 2008.
## Identity
- **NPI:** 1073779799 (Entity type: Individual)
- **Enumerated:** August 1, 2008
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 45653 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 1018 CHASE DR, Johnson City, TN 37604-1402
- **Phone:** (423) 282-3379 · **Fax:** (423) 430-6227
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Catalyst Health Solutions,llc (NPI 1184150229, Johnson City, TN); Blue Ridge Medical Management Corporation (NPI 1831979186, Johnson City, TN); Wellmont Medical Associates, Inc. (NPI 1275393522, Johnson City, TN); Takoma Regional Hospital Inc (NPI 1699819003, Greeneville, TN); Abingdon Physician Partners (NPI 1306944350, Abingdon, VA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** East Tennessee State University Quillen College Of Medicine, class of 2012
## Record status
- **NPPES last updated:** September 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1073779799) · Data from the CMS NPPES public registry.