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

Sean Xiang Gu, MD, PHD

Individual provider Clinical Pathology/Laboratory Medicine Physician · NPI 1497245930

Sean Xiang Gu, MD, PHD is a Pathology in New Haven, Connecticut. Graduated from University of Iowa, Rj & L Carver College of Medicine in 2017, 9 years ago. Practices with Yale University, a 2,618-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
9
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
CT
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

20 York Street Ynhh And Dept OF Laboratory Medicine
New Haven, CT 06510-3220
Phone: (203) 688-4242
Show map & directions

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

Specialties & licences

Hematology (Pathology) Physician (primary) Taxonomy 207ZH0000X · Licence 69959 (CT)
Clinical Pathology/Laboratory Medicine Physician Taxonomy 207ZP0105X · Licence 69959 (CT)

Record details

NPI number1497245930
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedMay 10, 2018
Last updated in NPPESMay 16, 2022
Certification dateMay 16, 2022

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Also practisesHEMATOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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