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

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1164746178

Dr. Courtney Nagel Sandler, MD is an Endocrinology in Boston, Massachusetts. Graduated from Icahn School of Medicine at Mount Sinai in 2010, 16 years ago. Practices with Atrius Health Inc, a 1,205-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
16
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
MA
In the registry since
2010
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

221 Longwood Ave # RFB2
Boston, MA 02115-5804
Phone: (617) 732-5666
Fax: (617) 525-0436
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 333 Longwood Ave, Boston, MA 02115-5711 — (617) 355-7476
  • 100 Rockview St Apt 2, Boston, MA 02130-2512 — (732) 580-7669

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 275280 (MA)

Record details

NPI number1164746178
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 19, 2010
Last updated in NPPESNovember 19, 2021
Certification dateNovember 19, 2021

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2010 (16 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations10 on file with Medicare

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