Quick answers
- Where does Charles L. Ruby see patients?
- Medicare's clinician data lists 2 practice locations, including Waldorf, MD. Call before your visit to confirm the address.
- What is Charles L. Ruby's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Charles L. Ruby accept Medicare assignment?
- Yes. Medicare's clinician data says Charles L. Ruby 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.
- Does Charles L. Ruby offer telehealth?
- Medicare's clinician data says Charles L. Ruby offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Charles L. Ruby?
- (301) 705-7593, as listed in official Medicare / NPI Registry data.
- What is Charles L. Ruby's NPI number?
- 1649310715. 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 Charles L. Ruby is enrolled with Medicare (CMS data updated 2026-10-02).
- 603 Post Office Rd, Suite 210Waldorf, MD 20602 (301) 705‑7593
- 603 Post Office Rd, Suite 210Waldorf, MD 20603
Group practices
Medicare enrollment lists Charles L. Ruby as a member of this group (CMS data updated 2026-10-02).
- Pinnacle Center for Mental Health and Human Relations LLC8 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Waldorf
Clinicians with the same Medicare primary specialty in Waldorf, MD — not a recommendation.
Clinician information
| Graduation year | 1995 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649310715 |
| 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