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

Individual provider Psychiatry Physician · NPI 1154398055

Hak J Ko, MD is a Psychiatry Physician in Williamsville, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
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

5687 Main St Ste 102
Williamsville, NY 14221-5517
Phone: (716) 204-3541
Fax: (716) 204-3542
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 137567 (NY)

Record details

NPI number1154398055
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 1, 2006
Last updated in NPPESJuly 5, 2010

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