Quick answers
- Which hospitals does Mark S. Fitzgerald work at?
- Medicare's official clinician data lists Mark S. Fitzgerald at 2 hospitals: AdventHealth Castle Rock and AdventHealth Parker. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark S. Fitzgerald see patients?
- Medicare's clinician data lists 2 practice locations, including Parker, CO and Englewood, CO. Call before your visit to confirm the address.
- What is Mark S. Fitzgerald's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Mark S. Fitzgerald accept Medicare assignment?
- Yes. Medicare's clinician data says Mark S. Fitzgerald 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 Mark S. Fitzgerald?
- (303) 617-4700, as listed in official Medicare / NPI Registry data.
- What is Mark S. Fitzgerald's NPI number?
- 1124199682. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark S. Fitzgerald works
Medicare's Facility Affiliation Data lists Mark S. Fitzgerald at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Castle RockCastle Rock, CO · Acute Care Hospital · CCN 060125
- AdventHealth ParkerParker, CO · Acute Care Hospital · CCN 060114
Practice locations
Addresses where Mark S. Fitzgerald is enrolled with Medicare (CMS data updated 2026-10-02).
- 10470 S Progress Way, Unit 104Parker, CO 80134 (303) 617‑4700
- 145 Inverness Dr E, 220 Ahmg Peak Orthopedics and Spine at InveEnglewood, CO 80112 (303) 699‑7325
Group practices
Medicare enrollment lists Mark S. Fitzgerald as a member of these groups (CMS data updated 2026-10-02).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
- Portercare Adventist Health System774 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Parker
Clinicians with the same Medicare primary specialty in Parker, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124199682 |
| 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