Quick answers
- Which hospitals does Frelea Tiongson work at?
- Medicare's official clinician data lists Frelea Tiongson at 3 hospitals: CGH Medical Center, Copley Hospital and Trinity Rock Island. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frelea Tiongson see patients?
- Medicare's clinician data lists 5 practice locations, including Sterling, IL, Rock Island, IL and Moline, IL. Call before your visit to confirm the address.
- What is Frelea Tiongson's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Frelea Tiongson accept Medicare assignment?
- Medicare's clinician data says Frelea Tiongson may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Frelea Tiongson?
- (815) 625-0400, as listed in official Medicare / NPI Registry data.
- What is Frelea Tiongson's NPI number?
- 1699107193. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frelea Tiongson works
Medicare's Facility Affiliation Data lists Frelea Tiongson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CGH Medical CenterSterling, IL · Acute Care Hospital · CCN 140043
- Copley HospitalMorrisville, VT · Critical Access Hospital · CCN 471305
- Trinity Rock IslandRock Island, IL · Acute Care Hospital · CCN 140280
Practice locations
Addresses where Frelea Tiongson is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 E Le Fevre RdSterling, IL 61081 (815) 625‑0400
- 100 E Lefevre RdSterling, IL 61081
- 2701 17th StRock Island, IL 61201 (844) 937‑1810
- 500 John Deere RdMoline, IL 61265 (844) 937‑1810
- 695 N Kellogg StGalesburg, IL 61401 (309) 343‑8131
Group practices
Medicare enrollment lists Frelea Tiongson as a member of these groups (CMS data updated 2026-10-02).
- CGH Medical Center197 clinicians in the group
- Clinical Colleagues Inc164 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Illinois →
Other nurse anesthetists in Sterling
Clinicians with the same Medicare primary specialty in Sterling, IL — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1699107193 |
| 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