What is Leonard Marcus's NPI number?

Leonard Marcus's National Provider Identifier (NPI) is 1548236722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leonard Marcus's specialty?

Leonard Marcus is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Leonard Marcus located?

Leonard Marcus's practice location on file with NPPES is 1555 Commonwealth Ave, Newton, MA 02465-2800.

What is Leonard Marcus's phone number?

The practice phone number listed in the NPPES registry for Leonard Marcus is (617) 527-4003.

Is Leonard Marcus's NPI active?

Yes — Leonard Marcus's NPI (1548236722) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Leonard Marcus, M.D.

NPI 1548236722 · Specialist · Newton, MA

Leonard Marcus, M.D. is a Specialist provider in Newton, MA (NPI 1548236722).

Provider details

NPI number: 1548236722
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
License: 33315 (MA)

Specialties & taxonomies

SpecialistPrimary174400000XLicense 33315 (MA)
Other Service Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1555 Commonwealth Ave

Newton, MA 02465-2800

Phone: (617) 527-4003

Fax: (617) 964-6111

Street-level locationGet directions

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Mailing address