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

Florence Ida Hsu, MD

Individual provider Allergy & Immunology Physician · NPI 1205894607

Florence Ida Hsu, MD is an Allergy/Immunology in North Haven, Connecticut. Graduated from Columbia University College of Physicians and Surgeons in 2000, 26 years ago. Practices with Yale University, a 2,618-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Connecticut and Massachusetts.

Years since qualifying
26
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
CT, MA
In the registry since
2006
Specialties on file
4
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

6 Devine St Ste 2B
North Haven, CT 06473-2222
Phone: (203) 287-6200
Fax: (203) 287-6101
Show map & directions

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

Additional practice locations (1)

  • 55 Lock St, New Haven, CT 06511-3603 — (203) 432-8797

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence 49738 (CT)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence 49738 (CT)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence 217989 (MA)
Allergy & Immunology (Internal Medicine) Physician Taxonomy 207RA0201X · Licence 217989 (MA)

Record details

NPI number1205894607
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 3, 2006
Last updated in NPPESJune 15, 2020
Certification dateJune 15, 2020
Mailing address333 Cedar St, Po Box 208013, New Haven, CT 06520-8013

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2000 (26 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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