Quick answers
- Which hospitals does Ryan Johnston work at?
- Medicare's official clinician data lists Ryan Johnston at 2 hospitals: Edward W Sparrow Hospital and University of Michigan Health-Sparrow Carson. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan Johnston see patients?
- Medicare's clinician data lists 1 practice location in Lansing, MI. Call before your visit to confirm the address.
- What is Ryan Johnston's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ryan Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan Johnston 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 Johnston?
- (517) 364-1000, as listed in official Medicare / NPI Registry data.
- What is Ryan Johnston's NPI number?
- 1780815522. 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 Johnston works
Medicare's Facility Affiliation Data lists Ryan Johnston 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
- University of Michigan Health-Sparrow CarsonCarson City, MI · Acute Care Hospital · CCN 230208
Practice locations
Addresses where Ryan Johnston is enrolled with Medicare (CMS data updated 2026-10-02).
- 1215 E Michigan AveLansing, MI 48912 (517) 364‑1000
Group practices
Medicare enrollment lists Ryan Johnston as a member of this group (CMS data updated 2026-10-02).
- Vituity - Michigan Hospitalists PC78 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lansing
Clinicians with the same Medicare primary specialty in Lansing, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780815522 |
| 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