Quick answers
- Which hospitals does Benjamin Duffy work at?
- Medicare's official clinician data lists Benjamin Duffy at 4 hospitals: Thedacare Medical Center - Berlin Inc, Thedacare Medical Center-Waupaca, Thedacare Regional Med Ctr - Neenah and Thedacare Regional Medical Center - Appleton Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Benjamin Duffy see patients?
- Medicare's clinician data lists 2 practice locations, including Neenah, WI and Appleton, WI. Call before your visit to confirm the address.
- What is Benjamin Duffy's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Benjamin Duffy accept Medicare assignment?
- Yes. Medicare's clinician data says Benjamin Duffy 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 Benjamin Duffy offer telehealth?
- Medicare's clinician data says Benjamin Duffy offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Benjamin Duffy?
- (920) 729-2030, as listed in official Medicare / NPI Registry data.
- What is Benjamin Duffy's NPI number?
- 1144210857. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Benjamin Duffy works
Medicare's Facility Affiliation Data lists Benjamin Duffy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Thedacare Medical Center - Berlin IncBerlin, WI · Critical Access Hospital · CCN 521355
- Thedacare Medical Center-WaupacaWaupaca, WI · Critical Access Hospital · CCN 521334
- Thedacare Regional Med Ctr - NeenahNeenah, WI · Acute Care Hospital · CCN 520045
- Thedacare Regional Medical Center - Appleton IncAppleton, WI · Acute Care Hospital · CCN 520160
Practice locations
Addresses where Benjamin Duffy is enrolled with Medicare (CMS data updated 2026-10-02).
- 130 2nd St, Suite 197Neenah, WI 54956 (920) 729‑2030
- 1818 N Meade StAppleton, WI 54911 (920) 735‑7645
Group practices
Medicare enrollment lists Benjamin Duffy as a member of this group (CMS data updated 2026-10-02).
- Thedacare, Incorporated647 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Neenah
Clinicians with the same Medicare primary specialty in Neenah, WI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1144210857 |
| 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