Quick answers
- Which hospitals does Mark A. Washington work at?
- Medicare's official clinician data lists Mark A. Washington at 4 hospitals: Lutheran Hospital of Indiana, Mercer County Joint Township Community Hospital, Mercy Health St Ritas Medical Center and Ohio State University State Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark A. Washington see patients?
- Medicare's clinician data lists 4 practice locations, including Fort Wayne, IN and Coldwater, OH. Call before your visit to confirm the address.
- What is Mark A. Washington's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark A. Washington accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Washington 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 A. Washington?
- (260) 344-4035, as listed in official Medicare / NPI Registry data.
- What is Mark A. Washington's NPI number?
- 1396079406. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark A. Washington works
Medicare's Facility Affiliation Data lists Mark A. Washington at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lutheran Hospital of IndianaFort Wayne, IN · Acute Care Hospital · CCN 150017
- Mercer County Joint Township Community HospitalColdwater, OH · Acute Care Hospital · CCN 360058
- Mercy Health St Ritas Medical CenterLima, OH · Acute Care Hospital · CCN 360066
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · CCN 360085
Practice locations
Addresses where Mark A. Washington is enrolled with Medicare (CMS data updated 2026-10-02).
- 14417 Illinois Rd, Suite BFort Wayne, IN 46814 (260) 344‑4035
- 2520 E Dupont RdFort Wayne, IN 46825 (260) 344‑4035
- 3955 W Washington Ctr RdFort Wayne, IN 46818 (260) 344‑4035
- 800 W Main StColdwater, OH 45828 (260) 344‑4035
Group practices
Medicare enrollment lists Mark A. Washington as a member of this group (CMS data updated 2026-10-02).
- Hospital Care Group PC30 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fort Wayne
Clinicians with the same Medicare primary specialty in Fort Wayne, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Howard University College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396079406 |
| 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