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

Alyssa Gillego, MD

Individual provider Surgery Physician · NPI 1659567352

Alyssa Gillego, MD is a General Surgery in Greenwich, Connecticut. Qualified in 2001, 25 years ago. Practices with Yale University, a 2,618-clinician group and accepts Medicare assignment. Licensed in Connecticut and New York.

Years since qualifying
25
Licensed in
CT, NY
In the registry since
2007
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

77 Lafayette Pl Ste 302
Greenwich, CT 06830-5426
Phone: (203) 863-4250
Fax: (203) 863-4249
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 056739 (CT)
Surgery Physician Taxonomy 208600000X · Licence 252073 (NY)

Record details

NPI number1659567352
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 18, 2007
Last updated in NPPESNovember 13, 2017
Mailing addressPo Box 415126, Boston, MA 02241-5126

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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