Quick answers
- Which hospitals does William M. Gambrell Iii work at?
- Medicare's official clinician data lists William M. Gambrell Iii at 1 hospital: Longs Peak Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William M. Gambrell Iii see patients?
- Medicare's clinician data lists 1 practice location in Boulder, CO. Call before your visit to confirm the address.
- What is William M. Gambrell Iii's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does William M. Gambrell Iii accept Medicare assignment?
- Yes. Medicare's clinician data says William M. Gambrell Iii 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 William M. Gambrell Iii?
- (303) 415-7000, as listed in official Medicare / NPI Registry data.
- What is William M. Gambrell Iii's NPI number?
- 1144257312. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William M. Gambrell Iii works
Medicare's Facility Affiliation Data lists William M. Gambrell Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Longs Peak HospitalLongmont, CO · Acute Care Hospital · CCN 060128
Practice locations
Addresses where William M. Gambrell Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 4747 Arapahoe AveBoulder, CO 80303 (303) 415‑7000
Group practices
Medicare enrollment lists William M. Gambrell Iii as a member of this group (CMS data updated 2026-10-02).
- Boulder Valley Anesthesiology, PLLC61 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Boulder
Clinicians with the same Medicare primary specialty in Boulder, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144257312 |
| 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