Quick answers
- Which hospitals does Ryan B. Hays work at?
- Medicare's official clinician data lists Ryan B. Hays at 3 hospitals: AdventHealth Ottawa, AdventHealth Shawnee Mission and AdventHealth South Overland Park, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan B. Hays see patients?
- Medicare's clinician data lists 4 practice locations, including Ottawa, KS, Overland Park, KS and Shawnee Mission, KS. Call before your visit to confirm the address.
- What is Ryan B. Hays's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ryan B. Hays accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan B. Hays 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 Ryan B. Hays?
- (785) 229-8200, as listed in official Medicare / NPI Registry data.
- What is Ryan B. Hays's NPI number?
- 1588862353. 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 B. Hays works
Medicare's Facility Affiliation Data lists Ryan B. Hays at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth OttawaOttawa, KS · Acute Care Hospital · CCN 170014
- AdventHealth Shawnee MissionShawnee Mission, KS · Acute Care Hospital · CCN 170104
- AdventHealth South Overland Park, IncOverland Park, KS · Acute Care Hospital · CCN 170208
Practice locations
Addresses where Ryan B. Hays is enrolled with Medicare (CMS data updated 2026-10-02).
- 1301 S Main StOttawa, KS 66067 (785) 229‑8200
- 7820 W 165th StOverland Park, KS 66223 (913) 373‑1100
- 9100 W 14th StShawnee Mission, KS 66204 (913) 676‑2098
- 929 N Saint Francis Ave, Hmp of Tx PLLCWichita, KS 67214 (316) 291‑4396
Group practices
Medicare enrollment lists Ryan B. Hays as a member of these groups (CMS data updated 2026-10-02).
- Hospitalist Medicine Physicians of Texas PLLC686 clinicians in the group
- Kansas Hospitalist Services PA45 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Ottawa
Clinicians with the same Medicare primary specialty in Ottawa, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588862353 |
| 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