Quick answers
- Which hospitals does Jonathan C. Grossmann work at?
- Medicare's official clinician data lists Jonathan C. Grossmann at 4 hospitals: Floyd Valley Healthcare, Orange City Area Health System, Sanford Usd Medical Center and St Lukes Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan C. Grossmann see patients?
- Medicare's clinician data lists 1 practice location in Orange City, IA. Call before your visit to confirm the address.
- What is Jonathan C. Grossmann's specialty?
- Medicare lists General Practice as the primary specialty.
- Does Jonathan C. Grossmann accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan C. Grossmann 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 Jonathan C. Grossmann?
- (712) 737-2000, as listed in official Medicare / NPI Registry data.
- What is Jonathan C. Grossmann's NPI number?
- 1730166935. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan C. Grossmann works
Medicare's Facility Affiliation Data lists Jonathan C. Grossmann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Floyd Valley HealthcareLe Mars, IA · Critical Access Hospital · CCN 161368
- Orange City Area Health SystemOrange City, IA · Critical Access Hospital · CCN 161360
- Sanford Usd Medical CenterSioux Falls, SD · Acute Care Hospital · CCN 430027
- St Lukes Regional Medical CenterSioux City, IA · Acute Care Hospital · CCN 160146
Practice locations
Addresses where Jonathan C. Grossmann is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Lincoln Cir SE, Suite 100Orange City, IA 51041 (712) 737‑2000
Group practices
Medicare enrollment lists Jonathan C. Grossmann as a member of this group (CMS data updated 2026-10-02).
- Orange City Municipal Hospital44 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730166935 |
| 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