Quick answers
- Where does Preston F. Helmly see patients?
- Medicare's clinician data lists 1 practice location in Johnson City, TN. Call before your visit to confirm the address.
- What is Preston F. Helmly's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Preston F. Helmly accept Medicare assignment?
- Yes. Medicare's clinician data says Preston F. Helmly accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Preston F. Helmly?
- (423) 430-9681, as listed in official Medicare / NPI Registry data.
- What is Preston F. Helmly's NPI number?
- 1881124139. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Preston F. Helmly is enrolled with Medicare (CMS data updated 2026-10-02).
- 1907 N Roan St, Suite 409Johnson City, TN 37601 (423) 430‑9681
Group practices
Medicare enrollment lists Preston F. Helmly as a member of this group (CMS data updated 2026-10-02).
- Hearthstone Psychiatry and Wellness, PLLC2 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Johnson City
Clinicians with the same Medicare primary specialty in Johnson City, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Carolina School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881124139 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians