Quick answers
- Which hospitals does Matthew M. Ryan work at?
- Medicare's official clinician data lists Matthew M. Ryan at 4 hospitals: Grady Memorial Hospital, Mercy Hospital Ardmore, Inc, Norman Regional and SSM Health St Anthony Hospital - Shawnee. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew M. Ryan see patients?
- Medicare's clinician data lists 1 practice location in Norman, OK. Call before your visit to confirm the address.
- What is Matthew M. Ryan's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Matthew M. Ryan accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew M. Ryan 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 Matthew M. Ryan?
- (405) 307-5700, as listed in official Medicare / NPI Registry data.
- What is Matthew M. Ryan's NPI number?
- 1003951500. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew M. Ryan works
Medicare's Facility Affiliation Data lists Matthew M. Ryan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grady Memorial HospitalChickasha, OK · Acute Care Hospital · CCN 370054
- Mercy Hospital Ardmore, IncArdmore, OK · Acute Care Hospital · CCN 370047
- Norman RegionalNorman, OK · Acute Care Hospital · CCN 370008
- SSM Health St Anthony Hospital - ShawneeShawnee, OK · Acute Care Hospital · CCN 370149
Practice locations
Addresses where Matthew M. Ryan is enrolled with Medicare (CMS data updated 2026-10-02).
- 3400 W Tecumseh Rd, 300 Neurology Assoc Ok Headache CtrNorman, OK 73072 (405) 307‑5700
Group practices
Medicare enrollment lists Matthew M. Ryan as a member of this group (CMS data updated 2026-10-02).
- Norman Regional Providers Specialty Care142 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003951500 |
| 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