Leonard Marcus, M.D.
Leonard Marcus, M.D. holds NPI 1548236722, with a primary taxonomy of specialist and a practice location in Newton, MA. The number was issued on February 27, 2006 and the NPPES record was last updated on July 13, 2026.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Specialist Primary | 174400000X | 33315 (MA) |
Practice location
Local context
Active NPPES records list 1,017 providers with specialist as the primary taxonomy within 25 miles of this practice location's ZIP code, 412 of them within 10 miles.
The same primary taxonomy is listed by 1,536 in Massachusetts and 89,616 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Dr. Leonard Charles Marcus
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://api.npilayer.com/v1/providers/1548236722"