Quick answers
- Which hospitals does Robert W. Ringwall work at?
- Medicare's official clinician data lists Robert W. Ringwall at 3 hospitals: AdventHealth Castle Rock, AdventHealth Littleton and AdventHealth Parker. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert W. Ringwall see patients?
- Medicare's clinician data lists 7 practice locations, including Castle Rock, CO, Denver, CO and Littleton, CO. Call before your visit to confirm the address.
- What is Robert W. Ringwall's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Robert W. Ringwall accept Medicare assignment?
- Yes. Medicare's clinician data says Robert W. Ringwall 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.
- Does Robert W. Ringwall offer telehealth?
- Medicare's clinician data says Robert W. Ringwall offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Robert W. Ringwall?
- (720) 455-0650, as listed in official Medicare / NPI Registry data.
- What is Robert W. Ringwall's NPI number?
- 1558187757. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert W. Ringwall works
Medicare's Facility Affiliation Data lists Robert W. Ringwall 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 LittletonLittleton, CO · Acute Care Hospital · CCN 060113
- AdventHealth ParkerParker, CO · Acute Care Hospital · CCN 060114
Practice locations
Addresses where Robert W. Ringwall is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 2350 Meadows BlvdCastle Rock, CO 80109 (720) 455‑0650
- 2353 Meadows Blvd, Suite 300Castle Rock, CO 80109 (720) 455‑3750
- 2360 Meadows Blvd, Suite 300Castle Rock, CO 80109 (303) 715‑7106
- 2535 S Downing StDenver, CO 80210 (303) 778‑5797
- 4350 Limelight Ave, Suite 100Castle Rock, CO 80109 (720) 455‑3775
Group practices
Medicare enrollment lists Robert W. Ringwall as a member of this group (CMS data updated 2026-10-02).
- Portercare Adventist Health System774 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Castle Rock
Clinicians with the same Medicare primary specialty in Castle Rock, CO — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558187757 |
| 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