Quick answers
- Which hospitals does Maria C. Opolka work at?
- Medicare's official clinician data lists Maria C. Opolka at 3 hospitals: Edward W Sparrow Hospital, Henry Ford Allegiance Health and McLaren Greater Lansing. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maria C. Opolka see patients?
- Medicare's clinician data lists 1 practice location in Mason, MI. Call before your visit to confirm the address.
- What is Maria C. Opolka's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Maria C. Opolka accept Medicare assignment?
- Yes. Medicare's clinician data says Maria C. Opolka 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 Maria C. Opolka?
- (517) 205-1660, as listed in official Medicare / NPI Registry data.
- What is Maria C. Opolka's NPI number?
- 1467863365. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maria C. Opolka works
Medicare's Facility Affiliation Data lists Maria C. Opolka at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · CCN 230230
- Henry Ford Allegiance HealthJackson, MI · Acute Care Hospital · CCN 230092
- McLaren Greater LansingLansing, MI · Acute Care Hospital · CCN 230167
Practice locations
Addresses where Maria C. Opolka is enrolled with Medicare (CMS data updated 2026-10-02).
- 810 Hogsback Rd, Suite AMason, MI 48854 (517) 205‑1660
Group practices
Medicare enrollment lists Maria C. Opolka as a member of this group (CMS data updated 2026-10-02).
- W.A. Foote Memorial Hospital476 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Mason
Clinicians with the same Medicare primary specialty in Mason, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467863365 |
| 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