Quick answers
- Where does Leonard D. Sax see patients?
- Medicare's clinician data lists 2 practice locations, including Downingtown, PA and Malvern, PA. Call before your visit to confirm the address.
- What is Leonard D. Sax's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Leonard D. Sax accept Medicare assignment?
- Yes. Medicare's clinician data says Leonard D. Sax 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 Leonard D. Sax?
- (610) 518-1060, as listed in official Medicare / NPI Registry data.
- What is Leonard D. Sax's NPI number?
- 1770587438. 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 Leonard D. Sax is enrolled with Medicare (CMS data updated 2026-10-02).
- 150 E Pennsylvania AveDowningtown, PA 19335 (610) 518‑1060
- 215 Lancaster AveMalvern, PA 19355 (484) 329‑6600
Group practices
Medicare enrollment lists Leonard D. Sax as a member of this group (CMS data updated 2026-10-02).
- Pennsylvania Urgent Care Centers, PLLC107 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Downingtown
Clinicians with the same Medicare primary specialty in Downingtown, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770587438 |
| 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