Quick answers
- Which hospitals does Seth A. Mathern work at?
- Medicare's official clinician data lists Seth A. Mathern at 4 hospitals: AdventHealth Porter, Centura Health-St Anthony North Health Campus, St Anthony Summit Medical Center and St Elizabeth Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Seth A. Mathern see patients?
- Medicare's clinician data lists 4 practice locations, including Westminster, CO and Denver, CO. Call before your visit to confirm the address.
- What is Seth A. Mathern's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Emergency Medicine and Family Practice.
- Does Seth A. Mathern accept Medicare assignment?
- Yes. Medicare's clinician data says Seth A. Mathern 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 Seth A. Mathern?
- (720) 627-3761, as listed in official Medicare / NPI Registry data.
- What is Seth A. Mathern's NPI number?
- 1972998110. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Seth A. Mathern works
Medicare's Facility Affiliation Data lists Seth A. Mathern at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth PorterDenver, CO · Acute Care Hospital · CCN 060064
- Centura Health-St Anthony North Health CampusWestminster, CO · Acute Care Hospital · CCN 060104
- St Anthony Summit Medical CenterFrisco, CO · Acute Care Hospital · CCN 060118
- St Elizabeth HospitalFort Morgan, CO · Acute Care Hospital · CCN 060044
Practice locations
Addresses where Seth A. Mathern is enrolled with Medicare (CMS data updated 2026-10-02).
- 14300 Orchard PkwyWestminster, CO 80023 (720) 627‑3761
- 2525 S Downing StDenver, CO 80210
- 2535 D S Downing St, Suite 460Denver, CO 80210 (303) 744‑1065
- 2535 S Downing StDenver, CO 80210 (303) 778‑5797
Group practices
Medicare enrollment lists Seth A. Mathern as a member of these groups (CMS data updated 2026-10-02).
- Catholic Health Initiatives Colorado1,225 clinicians in the group
- Portercare Adventist Health System774 clinicians in the group
Specialties
- Hospitalistprimary
- Emergency Medicinealso
- Family Practicealso
Other hospitalists in Westminster
Clinicians with the same Medicare primary specialty in Westminster, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972998110 |
| 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