Quick answers
- Which hospitals does William A. Leeson work at?
- Medicare's official clinician data lists William A. Leeson at 2 hospitals: CHRISTUS St Vincent Regional Medical Center and Presbyterian Santa Fe Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William A. Leeson see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Fe, NM. Call before your visit to confirm the address.
- What is William A. Leeson's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does William A. Leeson accept Medicare assignment?
- Yes. Medicare's clinician data says William A. Leeson 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 A. Leeson?
- (505) 473-0390, as listed in official Medicare / NPI Registry data.
- What is William A. Leeson's NPI number?
- 1588620447. 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 A. Leeson works
Medicare's Facility Affiliation Data lists William A. Leeson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHRISTUS St Vincent Regional Medical CenterSanta Fe, NM · Acute Care Hospital · CCN 320002
- Presbyterian Santa Fe Medical CenterSanta Fe, NM · Acute Care Hospital · CCN 320090
Practice locations
Addresses where William A. Leeson is enrolled with Medicare (CMS data updated 2026-10-02).
- 454 Saint Michaels DrSanta Fe, NM 87505 (505) 473‑0390
- 5501 Herrera Dr, BSanta Fe, NM 87507 (505) 913‑4180
Group practices
Medicare enrollment lists William A. Leeson as a member of these groups (CMS data updated 2026-10-02).
- Presbyterian Healthcare Services1,395 clinicians in the group
- St Vincent Hospital310 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Santa Fe
Clinicians with the same Medicare primary specialty in Santa Fe, NM — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588620447 |
| 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