Quick answers
- Which hospitals does Andrew Demars work at?
- Medicare's official clinician data lists Andrew Demars at 4 hospitals: Centura Health-St Anthony Hospital, Centura Health-St Anthony North Health Campus, SSM Health Depaul Hospital St Louis and SSM Health Saint Louis University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew Demars see patients?
- Medicare's clinician data lists 6 practice locations, including Saint Louis, MO, Lakewood, CO and Arvada, CO. Call before your visit to confirm the address.
- What is Andrew Demars's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Emergency Medicine and Internal Medicine.
- Does Andrew Demars accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew Demars 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 Andrew Demars?
- (608) 280-4647, as listed in official Medicare / NPI Registry data.
- What is Andrew Demars's NPI number?
- 1326467440. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrew Demars works
Medicare's Facility Affiliation Data lists Andrew Demars at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Centura Health-St Anthony HospitalLakewood, CO · Acute Care Hospital · CCN 060015
- Centura Health-St Anthony North Health CampusWestminster, CO · Acute Care Hospital · CCN 060104
- SSM Health Depaul Hospital St LouisBridgeton, MO · Acute Care Hospital · CCN 260104
- SSM Health Saint Louis University HospitalSaint Louis, MO · Acute Care Hospital · CCN 260105
Practice locations
Addresses where Andrew Demars is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 10101 Woodfield LnSaint Louis, MO 63132 (608) 280‑4647
- 11600 W 2nd PlLakewood, CO 80228 (720) 321‑4161
- 1201 S Grand BlvdSaint Louis, MO 63104 (314) 617‑2000
- 1225 S Grand BlvdSaint Louis, MO 63104
- 16320 W 64th AveArvada, CO 80007 (303) 925‑4560
Group practices
Medicare enrollment lists Andrew Demars as a member of these groups (CMS data updated 2026-10-02).
- SSM Health Care Group940 clinicians in the group
- Usacs Community Emergency Services of Colorado Inc.175 clinicians in the group
- Usacs Observation Medicine Services of Colorado Inc.75 clinicians in the group
- Usacs of Colorado Inc59 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in Missouri →
Other critical care doctors in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326467440 |
| 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