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

Gillian Ruth Diercks, MD

Individual provider Pediatric Otolaryngology Physician · NPI 1255573515

Gillian Ruth Diercks, MD is an Otolaryngology in Boston, Massachusetts. Graduated from Columbia University College of Physicians and Surgeons in 2009, 17 years ago. Practices with Massachusetts Eye and Ear Associates, Inc, a 410-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
17
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
MA
In the registry since
2009
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

243 Charles St
Boston, MA 02114-3002
Phone: (617) 573-3190
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Otolaryngology Physician (primary) Taxonomy 207YP0228X · Licence 266714 (MA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 266714 (MA)

Record details

NPI number1255573515
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2009
Last updated in NPPESNovember 8, 2023
Certification dateNovember 8, 2023

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2009 (17 years in practice)
Group practice Massachusetts Eye And Ear Associates, Inc — 410 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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