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

Dr. Michelle Siegel Marrinan, MD

Individual provider Otolaryngology Physician · NPI 1598761629

Dr. Michelle Siegel Marrinan, MD is an Otolaryngology in Greenwich, Connecticut. Graduated from Albert Einstein College of Medicine of Yeshiva University in 1997, 29 years ago. Practices with Greenwich Ear Nose and Throat PC, a 9-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
29
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
CT
In the registry since
2005
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

49 Lake Ave
Greenwich, CT 06830-4501
Phone: (203) 869-2030
Fax: (203) 869-9262
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otology & Neurotology Physician (primary) Taxonomy 207YX0901X · Licence 042226 (CT)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 042226 (CT)

Record details

NPI number1598761629
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 23, 2005
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 1997 (29 years in practice)
Group practice Greenwich Ear Nose And Throat Pc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Greenwich