Quick answers
- Where does Jan T. Markiel see patients?
- Medicare's clinician data lists 2 practice locations, including Brentwood, TN and Fort Worth, TX. Call before your visit to confirm the address.
- What is Jan T. Markiel's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jan T. Markiel accept Medicare assignment?
- Medicare's clinician data says Jan T. Markiel may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Jan T. Markiel's NPI number?
- 1902541196. 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 Jan T. Markiel is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 Brentwood Commons Way, Suite 510Brentwood, TN 37027
- 4100 International PlzFort Worth, TX 76109
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Brentwood
Clinicians with the same Medicare primary specialty in Brentwood, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1902541196 |
| 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