Quick answers
- Which hospitals does Ryan W. Berg work at?
- Medicare's official clinician data lists Ryan W. Berg at 2 hospitals: Ascension Columbia St Marys Hospital Milwaukee and Ascension SE Wisconsin Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan W. Berg see patients?
- Medicare's clinician data lists 4 practice locations, including Mequon, WI, Milwaukee, WI and West Allis, WI. Call before your visit to confirm the address.
- What is Ryan W. Berg's specialty?
- Medicare lists General Surgery as the primary specialty, and also Vascular Surgery.
- Does Ryan W. Berg accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan W. Berg 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 W. Berg?
- (414) 259-7500, as listed in official Medicare / NPI Registry data.
- What is Ryan W. Berg's NPI number?
- 1073803391. 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 W. Berg works
Medicare's Facility Affiliation Data lists Ryan W. Berg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · CCN 520051
- Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · CCN 520136
Practice locations
Addresses where Ryan W. Berg is enrolled with Medicare (CMS data updated 2026-10-02).
- 12831 N Port Washington RdMequon, WI 53097 (414) 259‑7500
- 12831 N Port Washington Rd, Suite 100Mequon, WI 53097 (262) 243‑9600
- 3070 N 51st St, Suite 601Milwaukee, WI 53210 (414) 302‑5404
- 801 S 70th StWest Allis, WI 53214 (414) 773‑6600
Group practices
Medicare enrollment lists Ryan W. Berg as a member of these groups (CMS data updated 2026-10-02).
- Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group
- Columbia St Marys Hospital Milwaukee Inc306 clinicians in the group
Specialties
- General Surgeryprimary
- Vascular Surgeryalso
Other general surgeons in Mequon
Clinicians with the same Medicare primary specialty in Mequon, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073803391 |
| 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