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

Individual provider Infectious Disease Physician · NPI 1679730543

Dr. Mary Theresa Lasalvia, MD is an Internal Medicine in Boston, Massachusetts. Qualified in 2007, 19 years ago. Practices with Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc, a 1,676-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
19
Licensed in
MA
In the registry since
2008
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

110 Francis St Ste GB
Boston, MA 02215-5501
Phone: (617) 632-7706
Fax: (617) 632-7626
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 242508 (MA)

Record details

NPI number1679730543
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2008
Last updated in NPPESMarch 17, 2016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc — 1676 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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