Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Leonard M Horowitz, MD

Individual provider Family Medicine Physician · NPI 1649265844

Leonard M Horowitz, MD is a Family Practice in Danvers, Massachusetts. Graduated from Georgetown University School of Medicine in 1987, 39 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
39
Trained at
Georgetown University School of Medicine
Licensed in
MA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7 Federal St Ste 11
Danvers, MA 01923-3620
Phone: (978) 777-8553
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 74716 (MA)

Record details

NPI number1649265844
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 13, 2005
Last updated in NPPESMay 29, 2008
Mailing address7 Federal St, Suite 11, Danvers, MA 01923-3620

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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