Quick answers
- Which hospitals does Ran Guan work at?
- Medicare's official clinician data lists Ran Guan at 4 hospitals: Aurora Medical Center, Aurora Medical Center Sheboygan County, Aurora Memorial Hospital Burlington and Aurora St Lukes Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ran Guan see patients?
- Medicare's clinician data lists 6 practice locations, including Milwaukee, WI, Burlington, WI and Sheboygan, WI. Call before your visit to confirm the address.
- What is Ran Guan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ran Guan accept Medicare assignment?
- Yes. Medicare's clinician data says Ran Guan 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.
- Does Ran Guan offer telehealth?
- Medicare's clinician data says Ran Guan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ran Guan?
- (414) 219-3056, as listed in official Medicare / NPI Registry data.
- What is Ran Guan's NPI number?
- 1275774192. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ran Guan works
Medicare's Facility Affiliation Data lists Ran Guan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Medical CenterGrafton, WI · Acute Care Hospital · CCN 520207
- Aurora Medical Center Sheboygan CountySheboygan, WI · Acute Care Hospital · CCN 520035
- Aurora Memorial Hospital BurlingtonBurlington, WI · Acute Care Hospital · CCN 520059
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · CCN 520138
Practice locations
Addresses where Ran Guan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1020 N 12th StMilwaukee, WI 53233 (414) 219‑3056
- 248 McHenry StBurlington, WI 53105 (262) 767‑8000
- 252 McHenry StBurlington, WI 53105 (262) 767‑7000
- 3400 Union AveSheboygan, WI 53081 (920) 828‑2530
- 975 Port Washington RdGrafton, WI 53024 (262) 329‑8650
Group practices
Medicare enrollment lists Ran Guan as a member of this group (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275774192 |
| 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