Quick answers
- Which hospitals does Jonathan Grossman work at?
- Medicare's official clinician data lists Jonathan Grossman at 5 hospitals: Methodist Hospitals Inc, Northwest Health - Porter, Parkview Regional Medical Center, San Juan Regional Medical Center Inc and St Mary Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan Grossman see patients?
- Medicare's clinician data lists 7 practice locations, including Fort Wayne, IN, Valparaiso, IN and Chesterton, IN. Call before your visit to confirm the address.
- What is Jonathan Grossman's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Jonathan Grossman accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan Grossman 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 Grossman?
- (260) 266-2020, as listed in official Medicare / NPI Registry data.
- What is Jonathan Grossman's NPI number?
- 1093210114. 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 Grossman works
Medicare's Facility Affiliation Data lists Jonathan Grossman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Methodist Hospitals IncGary, IN · Acute Care Hospital · CCN 150002
- Northwest Health - PorterValparaiso, IN · Acute Care Hospital · CCN 150035
- Parkview Regional Medical CenterFort Wayne, IN · Acute Care Hospital · CCN 150021
- San Juan Regional Medical Center IncFarmington, NM · Acute Care Hospital · CCN 320005
- St Mary Medical Center IncHobart, IN · Acute Care Hospital · CCN 150034
Practice locations
Addresses where Jonathan Grossman is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 11109 Parkview Plaza DrFort Wayne, IN 46845 (260) 266‑2020
- 1300 LincolnwayValparaiso, IN 46383
- 2000 Roosevelt RdValparaiso, IN 46383
- 425 Sand Creek Dr, Suite CChesterton, IN 46304
- 650 Dickinson RdChesterton, IN 46304
Group practices
Medicare enrollment lists Jonathan Grossman as a member of these groups (CMS data updated 2026-10-02).
- Parkview Health System Inc1,377 clinicians in the group
- Rci (WRS) LLC360 clinicians in the group
- Chesterton Physical Therapy Inc186 clinicians in the group
- Porter Physician Services LLC99 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Fort Wayne
Clinicians with the same Medicare primary specialty in Fort Wayne, IN — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Nova Southeastern College Of Osteo Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093210114 |
| 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