Quick answers
- Which hospitals does William Hartz work at?
- Medicare's official clinician data lists William Hartz at 5 hospitals: Good Samaritan Hospital Medical Center, Holy Redeemer Hospital and Medical Center, St Francis Hospital - The Heart Center, Tampa General Hospital Brooksville and Union Hospital of Cecil County. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Hartz see patients?
- Medicare's clinician data lists 9 practice locations, including Flint, MI, Hannibal, MO and Elkton, MD. Call before your visit to confirm the address.
- What is William Hartz's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Interventional Radiology.
- Does William Hartz accept Medicare assignment?
- Medicare's clinician data says William Hartz may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for William Hartz?
- (810) 262-7333, as listed in official Medicare / NPI Registry data.
- What is William Hartz's NPI number?
- 1194721803. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William Hartz works
Medicare's Facility Affiliation Data lists William Hartz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
- Holy Redeemer Hospital and Medical CenterMeadowbrook, PA · Acute Care Hospital · CCN 390097
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
- Tampa General Hospital BrooksvilleBrooksville, FL · Acute Care Hospital · CCN 100071
- Union Hospital of Cecil CountyElkton, MD · Acute Care Hospital · CCN 210032
Practice locations
Addresses where William Hartz is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1 Hurley PlzFlint, MI 48503 (810) 262‑7333
- 100 Medical DrHannibal, MO 63401 (217) 223‑8400
- 106 Bow StElkton, MD 21921 · Union Hospital of Cecil County (410) 398‑4000
- 1628 Watterson CtUpper Saint Clair, PA 15241 (904) 399‑5550
- 253 Rock Hill RdMillersville, PA 17551 · Imaging Associates of Michigan PLLC (713) 461‑3573
Group practices
Medicare enrollment lists William Hartz as a member of these groups (CMS data updated 2026-10-02).
- Mori Bean and Brooks Inc977 clinicians in the group
- Radiology Alliance PC455 clinicians in the group
- Blessing Hospital421 clinicians in the group
- Hurley Medical Center342 clinicians in the group
- Imaging Associates of Indiana PC301 clinicians in the group
- Columbus Radiology Corp292 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Interventional Radiologyalso
Other radiologists in Flint
Clinicians with the same Medicare primary specialty in Flint, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1194721803 |
| 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