Quick answers
- Which hospitals does Peter Nguyen work at?
- Medicare's official clinician data lists Peter Nguyen at 5 hospitals: FHN Memorial Hospital, Lompoc Valley Medical Center, Marian Regional Medical Center, Santa Barbara Cottage Hospital and Santa Ynez Valley Cottage Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter Nguyen see patients?
- Medicare's clinician data lists 14 practice locations, including O Fallon, IL, Freeport, IL and Litchfield, IL. Call before your visit to confirm the address.
- What is Peter Nguyen's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Peter Nguyen accept Medicare assignment?
- Medicare's clinician data says Peter Nguyen may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Peter Nguyen offer telehealth?
- Medicare's clinician data says Peter Nguyen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Peter Nguyen?
- (618) 234-2120, as listed in official Medicare / NPI Registry data.
- What is Peter Nguyen's NPI number?
- 1306104633. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter Nguyen works
Medicare's Facility Affiliation Data lists Peter Nguyen 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
- Lompoc Valley Medical CenterLompoc, CA · Acute Care Hospital · CCN 050110
- Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · CCN 050107
- Santa Barbara Cottage HospitalSanta Barbara, CA · Acute Care Hospital · CCN 050396
- Santa Ynez Valley Cottage HospitalSolvang, CA · Critical Access Hospital · CCN 051331
Practice locations
Addresses where Peter Nguyen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 14; the Medicare profile lists all.
- 1 Saint Elizabeth BlvdO Fallon, IL 62269 (618) 234‑2120
- 1045 W Stephenson StFreeport, IL 61032 (815) 599‑6000
- 1215 Franciscan DrLitchfield, IL 62056 · St Francis Hospital of the Hospital Sisters of the Third Order of St F (217) 324‑2191
- 12866 Troxler AveHighland, IL 62249 · St Josephs Hospital of the Hospital Sisters of the Third Order of St F (618) 651‑2600
- 1726 Shawano AveGreen Bay, WI 54303 · St Mary's Hospital Medical Center of Green Bay Inc-Hospital Sisters (920) 498‑4200
Group practices
Medicare enrollment lists Peter Nguyen as a member of these groups (CMS data updated 2026-10-02).
- OSF Multi-Specialty Group2,114 clinicians in the group
- MCHS Hospitals Inc1,197 clinicians in the group
- Freeport Memorial Hospital178 clinicians in the group
- Cep America - Neurology PC60 clinicians in the group
- St Josephs Hospital Breese of the Hospital Sisters of the Third Orde34 clinicians in the group
- St Elizabeths Hospital of the Hospital Sisters of the Third Order29 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in O Fallon
Clinicians with the same Medicare primary specialty in O Fallon, IL — not a recommendation.
Clinician information
| Medical school | Virginia Commonwealth University, School Of Medicine |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1306104633 |
| 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