Quick answers
- Which hospitals does Michelle K. Williams work at?
- Medicare's official clinician data lists Michelle K. Williams at 3 hospitals: Northwest Medical Center, Oro Valley Hospital and Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michelle K. Williams see patients?
- Medicare's clinician data lists 1 practice location in Tucson, AZ. Call before your visit to confirm the address.
- What is Michelle K. Williams's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Michelle K. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Michelle K. Williams 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 Michelle K. Williams?
- (520) 324-5819, as listed in official Medicare / NPI Registry data.
- What is Michelle K. Williams's NPI number?
- 1811079858. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michelle K. Williams works
Medicare's Facility Affiliation Data lists Michelle K. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwest Medical CenterTucson, AZ · Acute Care Hospital · CCN 030085
- Oro Valley HospitalOro Valley, AZ · Acute Care Hospital · CCN 030114
- Tucson Medical CenterTucson, AZ · Acute Care Hospital · CCN 030006
Practice locations
Addresses where Michelle K. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 5755 S Houghton RdTucson, AZ 85747 (520) 324‑5819
Group practices
Medicare enrollment lists Michelle K. Williams as a member of this group (CMS data updated 2026-10-02).
- Sound Physicians Emergency Medicine of Arizona Inc42 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811079858 |
| 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