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

Dr. Joan Okkyung Cho, MD

Individual provider Internal Medicine Physician · NPI 1942242490

Dr. Joan Okkyung Cho, MD is an Internal Medicine Physician in New Haven, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
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

55 Lock St
New Haven, CT 06520-8237
Phone: (203) 432-0076
Fax: (203) 432-0075
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 027052 (CT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 027052 (CT)

Record details

NPI number1942242490
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2006
Last updated in NPPESFebruary 28, 2011

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