Quick answers
- Which hospitals does John S. Joyce work at?
- Medicare's official clinician data lists John S. Joyce at 2 hospitals: AdventHealth Avista and AdventHealth Porter. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John S. Joyce see patients?
- Medicare's clinician data lists 4 practice locations, including Louisville, CO, Denver, CO and Westminster, CO. Call before your visit to confirm the address.
- What is John S. Joyce's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does John S. Joyce accept Medicare assignment?
- Yes. Medicare's clinician data says John S. Joyce 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 S. Joyce offer telehealth?
- Medicare's clinician data says John S. Joyce offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John S. Joyce?
- (303) 643-1159, as listed in official Medicare / NPI Registry data.
- What is John S. Joyce's NPI number?
- 1609077668. 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. Joyce works
Medicare's Facility Affiliation Data lists John S. Joyce at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth AvistaLouisville, CO · Acute Care Hospital · CCN 060103
- AdventHealth PorterDenver, CO · Acute Care Hospital · CCN 060064
Practice locations
Addresses where John S. Joyce is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Health Park DrLouisville, CO 80027 (303) 643‑1159
- 2535 S Downing StDenver, CO 80210 (303) 778‑5797
- 2535 S Downing St, Suite 430Denver, CO 80210
- 7233 Church Ranch BlvdWestminster, CO 80021
Group practices
Medicare enrollment lists John S. Joyce as a member of this group (CMS data updated 2026-10-02).
- Portercare Adventist Health System774 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Louisville
Clinicians with the same Medicare primary specialty in Louisville, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Dakota 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) | 1609077668 |
| 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