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

Individual provider Internal Medicine Physician · NPI 1780871970

Dr. Alireza Toossi, MD is an Internal Medicine in Boston, Massachusetts. Qualified in 1999, 27 years ago. Practices with Signature Healthcare Medical Group Inc, a 248-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and Massachusetts.

Years since qualifying
27
Licensed in
AZ, MA
In the registry since
2007
Specialties on file
2
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

22 Liberty Dr Ste 6F
Boston, MA 02210
Phone: (617) 244-1669
Fax: (617) 244-6769
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 110 Liberty St, Brockton, MA 02301-5674 — (508) 941-7000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 234084 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 37478 (AZ)

Record details

NPI number1780871970
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 1, 2007
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Signature Healthcare Medical Group Inc — 248 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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