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

MS. Katherine S. Mah, MS, CGC

Individual provider Genetic Counselor (M.S.) · NPI 1528099306

MS. Katherine S. Mah, MS, CGC is a Genetic Counselor (M.S.) in Brooklyn, New York. Practices as a sole proprietor. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

1355 84th St
Brooklyn, NY 11228-3030
Phone: (718) 283-6588
Fax: (718) 283-6580
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Genetic Counselor (M.S.) (primary) Taxonomy 170300000X

Record details

NPI number1528099306
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CGC
Sole proprietorYes
NPI enumeratedJuly 6, 2006
Last updated in NPPESJuly 8, 2007

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