Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LEONARD LLOYD ELLMAN MD
NPI 1679564322
Internal Medicine in Boston, MA

Active since November 02, 2005
15 PARKMAN ST, WAC 516, BOSTON, MA 02114(617) 726-3448(617) 724-3480 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Leonard Lloyd Ellman Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEONARD LLOYD ELLMAN MD (NPI 1679564322) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (30751) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1679564322
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. LEONARD LLOYD ELLMANCredential: MD
Location Address15 PARKMAN ST, WAC 516Boston, MA 02114-3117
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(617) 724-3480
Sole ProprietorNo
Enumeration DateNovember 2, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1679564322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 30751
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License 30751 (MA)
15 PARKMAN ST, Boston, MA 02114

Other Identifiers 3

OtherM08156MA · Bcbs Ma
Medicaid0176451MA
Other706992MA · Tufts Health Plan

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Adult Health)
15 PARKMAN ST, WAC 440
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Geriatric Psychiatry)
15 PARKMAN ST, PSYCHIATRY OUTPATIENT DEPARTMENT WAC 812
BOSTON, MA 02114
Physical Therapist (Neurology)
15 PARKMAN ST, ROOM 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST, WACC 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
15 PARKMAN ST, WAC 8 PSYCHIATRY OUTPATIENT DEPARTMENT
BOSTON, MA 02114

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Ellman's NPI number?

The NPI number for Leonard Ellman is 1679564322. It was assigned to this individual provider in the NPPES registry on November 2, 2005.

Where is Leonard Ellman located?

Leonard Ellman practices at 15 Parkman St Wac 516, Boston, MA 02114. The listed phone number is (617) 726-3448.

What is Leonard Ellman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Leonard Ellman was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.