Quick answers
- Where does Ryan W. Mannion see patients?
- Medicare's clinician data lists 3 practice locations, including Hinsdale, IL, Naperville, IL and Raynham, MA. Call before your visit to confirm the address.
- What is Ryan W. Mannion's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Ryan W. Mannion accept Medicare assignment?
- Medicare's clinician data says Ryan W. Mannion may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Ryan W. Mannion's NPI number?
- 1184543449. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ryan W. Mannion is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 E Ogden Ave, Suite 210Hinsdale, IL 60521
- 5212 Thatcher DrNaperville, IL 60564
- PO Box JRaynham, MA 02767
Specialties
- Optometryprimary
Other optometrists in Hinsdale
Clinicians with the same Medicare primary specialty in Hinsdale, IL — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Illinois College Of Optometry At Chicago |
| Graduation year | 2026 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1184543449 |
| 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
- 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