Quick answers
- Which hospitals does John R. Barker work at?
- Medicare's official clinician data lists John R. Barker at 4 hospitals: Arkansas Valley Regional Medical Center, Lincoln Health Hospital, Sky Ridge Medical Center and The Medical Center of Aurora & South Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John R. Barker see patients?
- Medicare's clinician data lists 1 practice location in Lone Tree, CO. Call before your visit to confirm the address.
- What is John R. Barker's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does John R. Barker accept Medicare assignment?
- Yes. Medicare's clinician data says John R. Barker 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 R. Barker?
- (720) 282-8006, as listed in official Medicare / NPI Registry data.
- What is John R. Barker's NPI number?
- 1013919117. 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 R. Barker works
Medicare's Facility Affiliation Data lists John R. Barker 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
- Lincoln Health HospitalHugo, CO · Critical Access Hospital · CCN 061306
- Sky Ridge Medical CenterLone Tree, CO · Acute Care Hospital · CCN 060112
- The Medical Center of Aurora & South HospitalAurora, CO · Acute Care Hospital · CCN 060100
Practice locations
Addresses where John R. Barker is enrolled with Medicare (CMS data updated 2026-10-02).
- 10103 Ridgegate Pkwy, Suite 306Lone Tree, CO 80124 (720) 282‑8006
Group practices
Medicare enrollment lists John R. Barker as a member of this group (CMS data updated 2026-10-02).
- HealthONE Clinic Services-Surgical Specialties LLC41 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 | Southern Illinois University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013919117 |
| 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