Quick answers
- Which hospitals does Ryan C. Oconnor work at?
- Medicare's official clinician data lists Ryan C. Oconnor at 1 hospital: McLaren Greater Lansing. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan C. Oconnor see patients?
- Medicare's clinician data lists 2 practice locations, including East Lansing, MI. Call before your visit to confirm the address.
- What is Ryan C. Oconnor's specialty?
- Medicare lists Physical Medicine and Rehabilitation as the primary specialty, and also Pain Management.
- Does Ryan C. Oconnor accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan C. Oconnor 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 Ryan C. Oconnor's NPI number?
- 1194714691. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan C. Oconnor works
Medicare's Facility Affiliation Data lists Ryan C. Oconnor at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- McLaren Greater LansingLansing, MI · Acute Care Hospital · CCN 230167
Practice locations
Addresses where Ryan C. Oconnor is enrolled with Medicare (CMS data updated 2026-10-02).
- 4660 S Hagadorn RdEast Lansing, MI 48823
- 4660 S Hagadorn Rd, Suite 500East Lansing, MI 48823
Group practices
Medicare enrollment lists Ryan C. Oconnor as a member of this group (CMS data updated 2026-10-02).
- MSU Health Care Inc.198 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Michigan →
Other rehabilitation doctors in East Lansing
Clinicians with the same Medicare primary specialty in East Lansing, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194714691 |
| 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