Quick answers
- Where does Mark I. Schwager see patients?
- Medicare's clinician data lists 1 practice location in Cranston, RI. Call before your visit to confirm the address.
- What is Mark I. Schwager's specialty?
- Medicare lists Geriatric Medicine as the primary specialty, and also Internal Medicine.
- Does Mark I. Schwager accept Medicare assignment?
- Yes. Medicare's clinician data says Mark I. Schwager 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 Mark I. Schwager?
- (401) 944-4300, as listed in official Medicare / NPI Registry data.
- What is Mark I. Schwager's NPI number?
- 1710939426. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark I. Schwager is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 Pontiac Ave, Suite 101Cranston, RI 02920 (401) 944‑4300
Group practices
Medicare enrollment lists Mark I. Schwager as a member of this group (CMS data updated 2026-10-02).
- Prospect Chartercare Physicians LLC67 clinicians in the group
Specialties
- Geriatric Medicineprimary
- Internal Medicinealso
Other geriatricians in Rhode Island
Clinicians with the same Medicare primary specialty in Rhode Island — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710939426 |
| 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
- 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