Quick answers
- Which hospitals does John W. Tillett work at?
- Medicare's official clinician data lists John W. Tillett at 5 hospitals: AdventHealth Castle Rock, AdventHealth Littleton, AdventHealth Parker, AdventHealth Porter and Hca-Healthone dba Swedish Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John W. Tillett see patients?
- Medicare's clinician data lists 9 practice locations, including Lone Tree, CO, Denver, CO and Englewood, CO. Call before your visit to confirm the address.
- What is John W. Tillett's specialty?
- Medicare lists Urology as the primary specialty.
- Does John W. Tillett accept Medicare assignment?
- Yes. Medicare's clinician data says John W. Tillett 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 John W. Tillett offer telehealth?
- Medicare's clinician data says John W. Tillett offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John W. Tillett?
- (720) 225-1000, as listed in official Medicare / NPI Registry data.
- What is John W. Tillett's NPI number?
- 1003090382. 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 W. Tillett works
Medicare's Facility Affiliation Data lists John W. Tillett 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
- AdventHealth PorterDenver, CO · Acute Care Hospital · CCN 060064
- Hca-Healthone dba Swedish Medical CenterEnglewood, CO · Acute Care Hospital · CCN 060034
Practice locations
Addresses where John W. Tillett is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 10101 Ridgegate PkwyLone Tree, CO 80124 (720) 225‑1000
- 2525 S Downing StDenver, CO 80210
- 2535 D S Downing St, Suite 460Denver, CO 80210 (303) 744‑1065
- 2535 S Downing StDenver, CO 80210 (303) 778‑5797
- 501 E Hamden AveEnglewood, CO 80113 (303) 788‑5000
Group practices
Medicare enrollment lists John W. Tillett as a member of these groups (CMS data updated 2026-10-02).
- Portercare Adventist Health System774 clinicians in the group
- Trauma and Emergency Subspecialty Surgeons PLLC27 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Lone Tree
Clinicians with the same Medicare primary specialty in Lone Tree, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1003090382 |
| 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