Quick answers
- Where does Gregory M. Ritter see patients?
- Medicare's clinician data lists 2 practice locations, including Westerville, OH and Columbus, OH. Call before your visit to confirm the address.
- What is Gregory M. Ritter's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Gregory M. Ritter accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory M. Ritter 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 Gregory M. Ritter?
- (614) 818-0300, as listed in official Medicare / NPI Registry data.
- What is Gregory M. Ritter's NPI number?
- 1033532007. 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 Gregory M. Ritter is enrolled with Medicare (CMS data updated 2026-10-02).
- 444 N Cleveland Ave, Suite 120Westerville, OH 43082 (614) 818‑0300
- 929 Harrison Ave, Suite 200Columbus, OH 43215 (614) 940‑4868
Group practices
Medicare enrollment lists Gregory M. Ritter as a member of these groups (CMS data updated 2026-10-02).
- Oh Independent Medical Group LLC144 clinicians in the group
- Enliven Resources LLC3 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Westerville
Clinicians with the same Medicare primary specialty in Westerville, OH — not a recommendation.
Clinician information
| Graduation year | 2008 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033532007 |
| 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