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

Aaron Birnbaum

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1023645249

Aaron Birnbaum is an Internal Medicine in Cambridge, Massachusetts. Qualified in 2020, 6 years ago. Practices with Atrius Health Inc, a 1,205-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
6
Licensed in
MA
In the registry since
2020
Specialties on file
2
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Practice location Address checks out

1611 Cambridge St Internal Medicine
Cambridge, MA 02138-4302
Phone: (617) 661-5100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1493 Cambridge St, Cambridge, MA 02139-1047 — (617) 665-1000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 1015418 (MA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1023645249
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 26, 2020
Last updated in NPPESSeptember 21, 2023
Certification dateSeptember 20, 2023
Mailing address1493 Cambridge St, Cambridge, MA 02139-1047

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations9 on file with Medicare

Other providers in Cambridge