Quick answers
- Which hospitals does David Joly work at?
- Medicare's official clinician data lists David Joly at 2 hospitals: Billings Clinic Hospital and Bozeman Health Deaconess Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Joly see patients?
- Medicare's clinician data lists 3 practice locations, including Bozeman, MT and Billings, MT. Call before your visit to confirm the address.
- What is David Joly's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does David Joly accept Medicare assignment?
- Yes. Medicare's clinician data says David Joly 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 David Joly?
- (406) 556-9000, as listed in official Medicare / NPI Registry data.
- What is David Joly's NPI number?
- 1003897646. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Joly works
Medicare's Facility Affiliation Data lists David Joly at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · CCN 270004
- Bozeman Health Deaconess HospitalBozeman, MT · Acute Care Hospital · CCN 270057
Practice locations
Addresses where David Joly is enrolled with Medicare (CMS data updated 2026-10-02).
- 1450 Ellis St, Suite 101Bozeman, MT 59715 (406) 556‑9000
- 2800 10th Ave NBillings, MT 59101 (406) 657‑4000
- 925 Highland Blvd, Suite 1180Bozeman, MT 59715 (406) 587‑8631
Group practices
Medicare enrollment lists David Joly as a member of these groups (CMS data updated 2026-10-02).
- Billings Clinic Specialty Supplies and Services, LLC824 clinicians in the group
- Gallatin Valley Anesthesia Associates PC35 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Bozeman
Clinicians with the same Medicare primary specialty in Bozeman, MT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Ohio |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003897646 |
| 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