Quick answers
- Which hospitals does Mary E. Christiansen work at?
- Medicare's official clinician data lists Mary E. Christiansen at 1 hospital: Fort Sanders Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary E. Christiansen see patients?
- Medicare's clinician data lists 2 practice locations, including Knoxville, TN. Call before your visit to confirm the address.
- What is Mary E. Christiansen's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Mary E. Christiansen accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. Christiansen 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 Mary E. Christiansen?
- (865) 524-3208, as listed in official Medicare / NPI Registry data.
- What is Mary E. Christiansen's NPI number?
- 1831543644. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary E. Christiansen works
Medicare's Facility Affiliation Data lists Mary E. Christiansen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fort Sanders Regional Medical CenterKnoxville, TN · Acute Care Hospital · CCN 440125
Practice locations
Addresses where Mary E. Christiansen is enrolled with Medicare (CMS data updated 2026-10-02).
- 501 19th St, Suite 509Knoxville, TN 37916 (865) 524‑3208
- 9314 Parkwest Blvd, Suite 303Knoxville, TN 37923 (865) 524‑3208
Group practices
Medicare enrollment lists Mary E. Christiansen as a member of this group (CMS data updated 2026-10-02).
- Fort Sanders Obstetrical and Gynecological Group, PC10 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831543644 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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