Quick answers
- Which hospitals does Frederick Chu work at?
- Medicare's official clinician data lists Frederick Chu at 4 hospitals: Marshfield Medical Center, Marshfield Medical Center - Eau Claire, Marshfield Medical Center - Rice Lake and Phoebe Putney Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frederick Chu see patients?
- Medicare's clinician data lists 5 practice locations, including Marshfield, WI, Caribou, ME and Stevens Point, WI. Call before your visit to confirm the address.
- What is Frederick Chu's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Frederick Chu accept Medicare assignment?
- Yes. Medicare's clinician data says Frederick Chu 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 Frederick Chu?
- (715) 387-5511, as listed in official Medicare / NPI Registry data.
- What is Frederick Chu's NPI number?
- 1316478167. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frederick Chu works
Medicare's Facility Affiliation Data lists Frederick Chu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marshfield Medical CenterMarshfield, WI · Acute Care Hospital · CCN 520037
- Marshfield Medical Center - Eau ClaireEau Claire, WI · Acute Care Hospital · CCN 520210
- Marshfield Medical Center - Rice LakeRice Lake, WI · Acute Care Hospital · CCN 520011
- Phoebe Putney Memorial HospitalAlbany, GA · Acute Care Hospital · CCN 110007
Practice locations
Addresses where Frederick Chu is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 N Oak AveMarshfield, WI 54449 (715) 387‑5511
- 163 Van Buren Rd, Suite 1Caribou, ME 04736 (207) 498‑3111
- 4100 State Hwy 66Stevens Point, WI 54482 (715) 997‑6000
- 440 24th S, Suite 100Wisconsin Rapids, WI 54494 (715) 424‑8625
- 440 24th St SWisconsin Rapids, WI 54494 (715) 751‑6200
Group practices
Medicare enrollment lists Frederick Chu as a member of these groups (CMS data updated 2026-10-02).
- MCHS Hospitals Inc1,197 clinicians in the group
- City of Caribou37 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Marshfield
Clinicians with the same Medicare primary specialty in Marshfield, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Illinois Medical College |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316478167 |
| 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