DR. FRANCOIS MARC LAGACE MD
NPI 1821973173
Dermatology in Boston, MA

Active since August 06, 2025
221 LONGWOOD AVE, BOSTON, MA 02115(617) 525-9496 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Francois Marc Lagace Md NPPES

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

DR. FRANCOIS MARC LAGACE MD (NPI 1821973173) is an individual dermatology provider in Boston, Massachusetts, licensed in Massachusetts (3018715) and active in the NPI registry since August 2025. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1821973173
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. FRANCOIS MARC LAGACECredential: MD
Location Address221 LONGWOOD AVEBoston, MA 02115-5804
Mailing Address1482 Tremont St Apt W204Boston, MA 02120-2955
Sole ProprietorNo
Enumeration DateAugust 6, 2025
NPPES CertifiedAugust 6, 2025
NPI 1821973173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in MA · 3018715
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
221 LONGWOOD AVE, Boston, MA 02115

Secondary Practice Locations 2

Location 1450 Brookline AveBoston, MA 02215-5450 · Phone (617) 632-3000
Location 275 Francis StBoston, MA 02115-6106 · Phone (617) 732-5500

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.

Social Worker (Clinical)
221 LONGWOOD AVE
BOSTON, MA 02115
Obstetrics & Gynecology (Gynecology)
221 LONGWOOD AVE, BRIGHAM AND WOMENS HOSP DEPT OF OBSTETRICS AND GYNECOLO
BOSTON, MA 02115
Psychiatry & Neurology (Psychiatry)
221 LONGWOOD AVE
BOSTON, MA 02115
Psychiatry & Neurology (Psychiatry)
221 LONGWOOD AVE, 4TH FL/PSYCHIATRY
BOSTON, MA 02115
Specialist
221 LONGWOOD AVE
BOSTON, MA 02115
Dermatology
221 LONGWOOD AVE
BOSTON, MA 02115
General Acute Care Hospital
221 LONGWOOD AVE, BWH-ENDOCRINOLOGY
BOSTON, MA 02115
Dermatology
221 LONGWOOD AVE
BOSTON, MA 02115

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 Francois Lagace's NPI number?

The NPI number for Francois Lagace is 1821973173. It was assigned to this individual provider in the NPPES registry on August 6, 2025.

Where is Francois Lagace located?

Francois Lagace practices at 221 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 525-9496.

What is Francois Lagace's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

When was this NPI record last updated?

The NPPES record for Francois Lagace was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.