Quick answers
- Which hospitals does Ryan F. Porter work at?
- Medicare's official clinician data lists Ryan F. Porter at 5 hospitals: Columbus Community Hospital, Fort Memorial Hospital, SSM Health St Mary's Hospital - Janesville, SSM Health St Mary's Hospital - Madison and Stoughton Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan F. Porter see patients?
- Medicare's clinician data lists 21 practice locations, including Evansville, WI, Sun Prairie, WI and Deerfield, WI. Call before your visit to confirm the address.
- What is Ryan F. Porter's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Ryan F. Porter accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan F. Porter 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 Ryan F. Porter offer telehealth?
- Medicare's clinician data says Ryan F. Porter offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ryan F. Porter?
- (608) 882-5170, as listed in official Medicare / NPI Registry data.
- What is Ryan F. Porter's NPI number?
- 1578725651. 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 F. Porter works
Medicare's Facility Affiliation Data lists Ryan F. Porter at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Columbus Community HospitalColumbus, WI · Critical Access Hospital · CCN 521338
- Fort Memorial HospitalFort Atkinson, WI · Acute Care Hospital · CCN 520071
- SSM Health St Mary's Hospital - JanesvilleJanesville, WI · Acute Care Hospital · CCN 520208
- SSM Health St Mary's Hospital - MadisonMadison, WI · Acute Care Hospital · CCN 520083
- Stoughton HospitalStoughton, WI · Critical Access Hospital · CCN 521343
Practice locations
Addresses where Ryan F. Porter is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 21; the Medicare profile lists all.
- 10 N Water StEvansville, WI 53536 (608) 882‑5170
- 10 Tower DrSun Prairie, WI 53590 (608) 825‑3500
- 103 Lake StDeerfield, WI 53531 (608) 764‑5487
- 1211 Fish Hatchery RdMadison, WI 53715 (608) 252‑8000
- 1305 W Main StWhitewater, WI 53190 (262) 473‑4548
Group practices
Medicare enrollment lists Ryan F. Porter as a member of this group (CMS data updated 2026-10-02).
- Dean Health Systems Inc1,159 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578725651 |
| 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