Quick answers
- Where does Leonard C. Sperling see patients?
- Medicare's clinician data lists 2 practice locations, including Westminster, MD and Baltimore, MD. Call before your visit to confirm the address.
- What is Leonard C. Sperling's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Leonard C. Sperling accept Medicare assignment?
- Yes. Medicare's clinician data says Leonard C. Sperling 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 C. Sperling?
- (410) 848-3000, as listed in official Medicare / NPI Registry data.
- What is Leonard C. Sperling's NPI number?
- 1023180395. 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 C. Sperling is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Memorial AveWestminster, MD 21157 (410) 848‑3000
- 900 Caton AveBaltimore, MD 21229 (410) 368‑6000
Group practices
Medicare enrollment lists Leonard C. Sperling as a member of this group (CMS data updated 2026-10-02).
- HCT Pathology Services LLC17 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Westminster
Clinicians with the same Medicare primary specialty in Westminster, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023180395 |
| 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