Quick answers
- Where does John N. Markham Iii see patients?
- Medicare's clinician data lists 2 practice locations, including Franklin, TN and Nashville, TN. Call before your visit to confirm the address.
- What is John N. Markham Iii's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does John N. Markham Iii accept Medicare assignment?
- Yes. Medicare's clinician data says John N. Markham Iii 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 John N. Markham Iii?
- (615) 791-2630, as listed in official Medicare / NPI Registry data.
- What is John N. Markham Iii's NPI number?
- 1578032280. 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 John N. Markham Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 3000 Edward Curd LaneFranklin, TN 37067 (615) 791‑2630
- 410 42nd Ave N, Suite 300Nashville, TN 37209 (615) 321‑6161
Group practices
Medicare enrollment lists John N. Markham Iii as a member of this group (CMS data updated 2026-10-02).
- Specialty Anesthesia of Tennessee37 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Tennessee →
Other nurse anesthetists in Franklin
Clinicians with the same Medicare primary specialty in Franklin, TN — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578032280 |
| 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