Quick answers
- Which hospitals does Sandy C. Marks Iii work at?
- Medicare's official clinician data lists Sandy C. Marks Iii at 2 hospitals: Medical Center of the Rockies and Poudre Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sandy C. Marks Iii see patients?
- Medicare's clinician data lists 2 practice locations, including Fort Collins, CO and Loveland, CO. Call before your visit to confirm the address.
- What is Sandy C. Marks Iii's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Sandy C. Marks Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Sandy C. Marks Iii 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 Sandy C. Marks Iii?
- (970) 495-7000, as listed in official Medicare / NPI Registry data.
- What is Sandy C. Marks Iii's NPI number?
- 1265420087. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sandy C. Marks Iii works
Medicare's Facility Affiliation Data lists Sandy C. Marks Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Medical Center of the RockiesLoveland, CO · Acute Care Hospital · CCN 060119
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · CCN 060010
Practice locations
Addresses where Sandy C. Marks Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 1024 S Lemay Ave, Ncap PLLCFort Collins, CO 80524 (970) 495‑7000
- 2500 Rocky Mountain AveLoveland, CO 80538 (970) 624‑2500
Group practices
Medicare enrollment lists Sandy C. Marks Iii as a member of this group (CMS data updated 2026-10-02).
- Northern Colorado Anesthesia Professionals PLLC160 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265420087 |
| 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