Quick answers
- Where does Ronald J. Lewellyn see patients?
- Medicare's clinician data lists 1 practice location in Youngstown, OH. Call before your visit to confirm the address.
- What is Ronald J. Lewellyn's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Ronald J. Lewellyn accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald J. Lewellyn 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 Ronald J. Lewellyn offer telehealth?
- Medicare's clinician data says Ronald J. Lewellyn offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ronald J. Lewellyn?
- (330) 270-8494, as listed in official Medicare / NPI Registry data.
- What is Ronald J. Lewellyn's NPI number?
- 1881648491. 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 Ronald J. Lewellyn is enrolled with Medicare (CMS data updated 2026-10-02).
- 5437 Mahoning Ave, Suite 14Youngstown, OH 44515 (330) 270‑8494
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Youngstown
Clinicians with the same Medicare primary specialty in Youngstown, OH — not a recommendation.
Clinician information
| Graduation year | 1999 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881648491 |
| 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