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

Dr. Aaron Spencer Greenspun, MD

Individual provider Anesthesiology Physician · NPI 1326784083

Dr. Aaron Spencer Greenspun, MD is an Anesthesiology Physician in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2022
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
Boston, MA 02118-2908
Phone: (617) 638-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 3016218 (MA)

Record details

NPI number1326784083
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 6, 2022
Last updated in NPPESOctober 14, 2024
Certification dateOctober 14, 2024

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