Quick answers
- Which hospitals does Benjamin L. Mason work at?
- Medicare's official clinician data lists Benjamin L. Mason at 5 hospitals: Grundy County Memorial Hospital, Gundersen Palmer Lutheran Hospital and Clinics, Mercy Medical Center-New Hampton, Sartori Memorial Hospital, Inc and Waverly Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Benjamin L. Mason see patients?
- Medicare's clinician data lists 6 practice locations, including West Union, IA, Hiawatha, IA and Grundy Center, IA. Call before your visit to confirm the address.
- What is Benjamin L. Mason's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Benjamin L. Mason accept Medicare assignment?
- Yes. Medicare's clinician data says Benjamin L. Mason 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 Benjamin L. Mason?
- (515) 386-8196, as listed in official Medicare / NPI Registry data.
- What is Benjamin L. Mason's NPI number?
- 1457301442. 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 L. Mason works
Medicare's Facility Affiliation Data lists Benjamin L. Mason at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grundy County Memorial HospitalGrundy Center, IA · Critical Access Hospital · CCN 161303
- Gundersen Palmer Lutheran Hospital and ClinicsWest Union, IA · Critical Access Hospital · CCN 161316
- Mercy Medical Center-New HamptonNew Hampton, IA · Critical Access Hospital · CCN 161331
- Sartori Memorial Hospital, IncCedar Falls, IA · Acute Care Hospital · CCN 160040
- Waverly Health CenterWaverly, IA · Critical Access Hospital · CCN 161339
Practice locations
Addresses where Benjamin L. Mason is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 112 Jefferson StWest Union, IA 52175 (515) 386‑8196
- 1195 Boyson Rd, Suite 200Hiawatha, IA 52233 (319) 362‑8032
- 201 E J Ave, Wolfe Eye ClinicGrundy Center, IA 50638 (319) 824‑5421
- 309 E Church StMarshalltown, IA 50158 (641) 754‑6200
- 8 E Spring St, Wolfe Eye ClinicNew Hampton, IA 50659 (641) 394‑2326
Group practices
Medicare enrollment lists Benjamin L. Mason as a member of this group (CMS data updated 2026-10-02).
- Wolfe Clinic Inc39 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in West Union
Clinicians with the same Medicare primary specialty in West Union, IA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457301442 |
| 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