Quick answers
- Which hospitals does Mary C. Yager work at?
- Medicare's official clinician data lists Mary C. Yager at 1 hospital: Northwest Medical Center Sahuarita. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary C. Yager see patients?
- Medicare's clinician data lists 3 practice locations, including Sahuarita, AZ and Tucson, AZ. Call before your visit to confirm the address.
- What is Mary C. Yager's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mary C. Yager accept Medicare assignment?
- Yes. Medicare's clinician data says Mary C. Yager 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 Mary C. Yager?
- (520) 416-7100, as listed in official Medicare / NPI Registry data.
- What is Mary C. Yager's NPI number?
- 1801059902. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary C. Yager works
Medicare's Facility Affiliation Data lists Mary C. Yager at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwest Medical Center SahuaritaSahuarita, AZ · Acute Care Hospital · CCN 030148
Practice locations
Addresses where Mary C. Yager is enrolled with Medicare (CMS data updated 2026-10-02).
- 16260 S Sahuarita PlSahuarita, AZ 85629 (520) 416‑7100
- 2200 S Houghton RdTucson, AZ 85748 (520) 543‑6100
- 6200 N La Cholla BlvdTucson, AZ 85741 (520) 229‑2657
Group practices
Medicare enrollment lists Mary C. Yager as a member of this group (CMS data updated 2026-10-02).
- Northwest HBP Medical Services LLC284 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Sahuarita
Clinicians with the same Medicare primary specialty in Sahuarita, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801059902 |
| 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