Quick answers
- Which hospitals does John S. Xenos work at?
- Medicare's official clinician data lists John S. Xenos at 5 hospitals: Arkansas Valley Regional Medical Center, Heart of the Rockies Regional Medical Center, Mt San Rafael Hospital, Parkview Medical Center, Inc and Sky Ridge Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John S. Xenos see patients?
- Medicare's clinician data lists 2 practice locations, including Lone Tree, CO and Greeley, CO. Call before your visit to confirm the address.
- What is John S. Xenos's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does John S. Xenos accept Medicare assignment?
- Yes. Medicare's clinician data says John S. Xenos 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 John S. Xenos?
- (303) 662-8250, as listed in official Medicare / NPI Registry data.
- What is John S. Xenos's NPI number?
- 1972557072. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John S. Xenos works
Medicare's Facility Affiliation Data lists John S. Xenos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Arkansas Valley Regional Medical CenterLajuna, CO · Critical Access Hospital · CCN 061336
- Heart of the Rockies Regional Medical CenterSalida, CO · Critical Access Hospital · CCN 061322
- Mt San Rafael HospitalTrinidad, CO · Critical Access Hospital · CCN 061321
- Parkview Medical Center, IncPueblo, CO · Acute Care Hospital · CCN 060020
- Sky Ridge Medical CenterLone Tree, CO · Acute Care Hospital · CCN 060112
Practice locations
Addresses where John S. Xenos is enrolled with Medicare (CMS data updated 2026-10-02).
- 10535 Park Meadows Blvd, Suite 301Lone Tree, CO 80124 (303) 662‑8250
- 4617 W 20th St, Unit A Select PtGreeley, CO 80634 (970) 352‑9022
Group practices
Medicare enrollment lists John S. Xenos as a member of these groups (CMS data updated 2026-10-02).
- Select Physical Therapy of West Denver Limited Partnership548 clinicians in the group
- Colorado Orthopaedics PC5 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Lone Tree
Clinicians with the same Medicare primary specialty in Lone Tree, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972557072 |
| 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