Quick answers
- Which hospitals does Michael Siegenthaler work at?
- Medicare's official clinician data lists Michael Siegenthaler at 3 hospitals: John Dempsey Hospital of the University of Connect…, Monument Health Rapid City Hospital and Springfield Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Siegenthaler see patients?
- Medicare's clinician data lists 6 practice locations, including Farmington, CT, Springfield, OH and Rapid City, SD. Call before your visit to confirm the address.
- What is Michael Siegenthaler's specialty?
- Medicare lists Thoracic Surgery as the primary specialty.
- Does Michael Siegenthaler accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Siegenthaler 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 Michael Siegenthaler?
- (860) 679-3692, as listed in official Medicare / NPI Registry data.
- What is Michael Siegenthaler's NPI number?
- 1093863532. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael Siegenthaler works
Medicare's Facility Affiliation Data lists Michael Siegenthaler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John Dempsey Hospital of the University of Connect…Farmington, CT · Acute Care Hospital · CCN 070036
- Monument Health Rapid City HospitalRapid City, SD · Acute Care Hospital · CCN 430077
- Springfield Regional Medical CenterSpringfield, OH · Acute Care Hospital · CCN 360086
Practice locations
Addresses where Michael Siegenthaler is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 263 Farmington AveFarmington, CT 06030 (860) 679‑3692
- 30 W McCreight Ave, Suite 106Springfield, OH 45504 (937) 523‑9820
- 353 Fairmont BlvdRapid City, SD 57701 (605) 755‑8109
- 620 S Fleishel Ave, CHRISTUS Trinity ClinicTyler, TX 75701 (903) 606‑4900
- 630 S Fleishel AveTyler, TX 75701 (903) 606‑5560
Group practices
Medicare enrollment lists Michael Siegenthaler as a member of these groups (CMS data updated 2026-10-02).
- CHRISTUS Trinity Clinic Texas1,540 clinicians in the group
- University of Connecticut Health Center639 clinicians in the group
- Monument Health Rapid City Hospital Inc564 clinicians in the group
- Mercy Health Physicians Springfield Specialty Care LLC135 clinicians in the group
Specialties
- Thoracic Surgeryprimary
Other thoracic surgeons in Farmington
Clinicians with the same Medicare primary specialty in Farmington, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093863532 |
| 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