Quick answers
- Which hospitals does Mark Tann work at?
- Medicare's official clinician data lists Mark Tann at 5 hospitals: Cameron Health, Indiana University Health, Indiana University Health Ball Memorial Hospital, Indiana University Health Bloomington Hospital and Indiana University Health North Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Tann see patients?
- Medicare's clinician data lists 2 practice locations, including Indianapolis, IN. Call before your visit to confirm the address.
- What is Mark Tann's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Nuclear Medicine.
- Does Mark Tann accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Tann 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 Tann?
- (317) 630-7382, as listed in official Medicare / NPI Registry data.
- What is Mark Tann's NPI number?
- 1841239746. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Tann works
Medicare's Facility Affiliation Data lists Mark Tann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cameron HealthAngola, IN · Critical Access Hospital · CCN 151315
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · CCN 150056
- Indiana University Health Ball Memorial HospitalMuncie, IN · Acute Care Hospital · CCN 150089
- Indiana University Health Bloomington HospitalBloomington, IN · Acute Care Hospital · CCN 150051
- Indiana University Health North HospitalCarmel, IN · Acute Care Hospital · CCN 150161
Practice locations
Addresses where Mark Tann is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 W 10th StIndianapolis, IN 46202 (317) 630‑7382
- 1701 N Senate BlvdIndianapolis, IN 46202 (888) 484‑3258
Group practices
Medicare enrollment lists Mark Tann as a member of these groups (CMS data updated 2026-10-02).
- IU Health Medical Group LLC4,462 clinicians in the group
- Indiana University Radiology Associates Inc178 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Nuclear Medicinealso
Other radiologists in Indianapolis
Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841239746 |
| 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