Quick answers
- Which hospitals does Ryan N. Chellin work at?
- Medicare's official clinician data lists Ryan N. Chellin at 2 hospitals: FHN Memorial Hospital and Vista Medical Center East. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan N. Chellin see patients?
- Medicare's clinician data lists 3 practice locations, including Freeport, IL, Lindenhurst, IL and Waukegan, IL. Call before your visit to confirm the address.
- What is Ryan N. Chellin's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Ryan N. Chellin accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan N. Chellin 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 N. Chellin?
- (815) 599-6000, as listed in official Medicare / NPI Registry data.
- What is Ryan N. Chellin's NPI number?
- 1952536104. 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 N. Chellin works
Medicare's Facility Affiliation Data lists Ryan N. Chellin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- FHN Memorial HospitalFreeport, IL · Acute Care Hospital · CCN 140160
- Vista Medical Center EastWaukegan, IL · Acute Care Hospital · CCN 140084
Practice locations
Addresses where Ryan N. Chellin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1045 W Stephenson StFreeport, IL 61032 (815) 599‑6000
- 1050 Red Oak LnLindenhurst, IL 60046 (847) 256‑4777
- 1324 N Sheridan RdWaukegan, IL 60085 (847) 360‑3000
Group practices
Medicare enrollment lists Ryan N. Chellin as a member of these groups (CMS data updated 2026-10-02).
- Freeport Memorial Hospital178 clinicians in the group
- Vital Health Partners LLC81 clinicians in the group
- Waukegan Clinic Corp56 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Freeport
Clinicians with the same Medicare primary specialty in Freeport, IL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952536104 |
| 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