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

Mallory N Lesieur, MD

Individual provider Internal Medicine Physician · NPI 1154784510

Mallory N Lesieur, MD is a Pulmonary Disease in Boston, Massachusetts. Qualified in 2016, 10 years ago. Practices with Central Maine Medical Center, a 347-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
10
Licensed in
MA
In the registry since
2016
Specialties on file
3
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

72 E Concord Street R304
Boston, MA 02118-2690
Phone: (617) 358-1340
Fax: (617) 358-1337
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 50 N Medical Dr, Salt Lake City, UT 84132-0001 — (801) 581-2121

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 288044 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 288044 (MA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 288044 (MA)

Record details

NPI number1154784510
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 3, 2016
Last updated in NPPESJuly 21, 2023
Certification dateJuly 21, 2023

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Central Maine Medical Center — 347 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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