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

Alex Leaman Thomas Clos, MD

Individual provider Emergency Medicine Physician · NPI 1578149506

Alex Leaman Thomas Clos, MD is an Emergency Medicine in Boston, Massachusetts. Qualified in 2021, 5 years ago. Practices with Boston Emergency Physician Foundation Inc, a 74-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
5
Licensed in
MA
In the registry since
2021
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

1 Boston Medical Ctr Pl Rm 13
Boston, MA 02118-2908
Phone: (617) 414-4929
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 1019264 (MA)

Record details

NPI number1578149506
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2021
Last updated in NPPESMarch 19, 2024
Certification dateMarch 19, 2024

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Boston Emergency Physician Foundation Inc — 74 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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