Quick answers
- Which hospitals does Olivia Drier work at?
- Medicare's official clinician data lists Olivia Drier at 4 hospitals: McLaren Bay Region, McLaren Central Michigan, MyMichigan Medical Center Midland and MyMichigan Medical Center Saginaw. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Olivia Drier see patients?
- Medicare's clinician data lists 3 practice locations, including Bay City, MI. Call before your visit to confirm the address.
- What is Olivia Drier's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Olivia Drier accept Medicare assignment?
- Yes. Medicare's clinician data says Olivia Drier 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 Olivia Drier?
- (989) 393-2777, as listed in official Medicare / NPI Registry data.
- What is Olivia Drier's NPI number?
- 1912774100. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Olivia Drier works
Medicare's Facility Affiliation Data lists Olivia Drier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- McLaren Bay RegionBay City, MI · Acute Care Hospital · CCN 230041
- McLaren Central MichiganMount Pleasant, MI · Acute Care Hospital · CCN 230080
- MyMichigan Medical Center MidlandMidland, MI · Acute Care Hospital · CCN 230222
- MyMichigan Medical Center SaginawSaginaw, MI · Acute Care Hospital · CCN 230077
Practice locations
Addresses where Olivia Drier is enrolled with Medicare (CMS data updated 2026-10-02).
- 1900 Columbus Ave, Bay RegionalBay City, MI 48708
- 4 Columbus Ave, Suite 160Bay City, MI 48708 (989) 393‑2777
- 4 Columbus Ave, Suite 380Bay City, MI 48708 (989) 393‑2700
Group practices
Medicare enrollment lists Olivia Drier as a member of this group (CMS data updated 2026-10-02).
- McLaren Bay Region113 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Bay City
Clinicians with the same Medicare primary specialty in Bay City, MI — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912774100 |
| 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