Quick answers
- Where does Eric A. Ritter see patients?
- Medicare's clinician data lists 1 practice location in Baltimore, MD. Call before your visit to confirm the address.
- What is Eric A. Ritter's specialty?
- Medicare lists Addiction Medicine as the primary specialty, and also Internal Medicine.
- Does Eric A. Ritter accept Medicare assignment?
- Medicare's clinician data says Eric A. Ritter may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Eric A. Ritter?
- (240) 856-3375, as listed in official Medicare / NPI Registry data.
- What is Eric A. Ritter's NPI number?
- 1659557593. 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 Eric A. Ritter is enrolled with Medicare (CMS data updated 2026-10-02).
- 2019 W Pratt St, Suite 1Baltimore, MD 21223 (240) 856‑3375
Specialties
- Addiction Medicineprimary
- Internal Medicinealso
Other addiction medicine doctors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Meharry Medical College School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1659557593 |
| 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