Quick answers
- Where does Mark X. Ransom see patients?
- Medicare's clinician data lists 1 practice location in Johnson City, TN. Call before your visit to confirm the address.
- What is Mark X. Ransom's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Mark X. Ransom accept Medicare assignment?
- Yes. Medicare's clinician data says Mark X. Ransom 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 Mark X. Ransom?
- (423) 439-7272, as listed in official Medicare / NPI Registry data.
- What is Mark X. Ransom's NPI number?
- 1487686598. 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 Mark X. Ransom is enrolled with Medicare (CMS data updated 2026-10-02).
- 325 N State of Franklin Rd, Fl 1Johnson City, TN 37604 (423) 439‑7272
Group practices
Medicare enrollment lists Mark X. Ransom as a member of this group (CMS data updated 2026-10-02).
- Medical Education Assistance Corporation170 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Tennessee
Clinicians with the same Medicare primary specialty in Tennessee — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487686598 |
| 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