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

Miss. Katherine Ryan, MS

Individual provider Mental Health Counselor · NPI 1902267560

Miss. Katherine Ryan, MS is a Mental Health Counselor in Old Greenwich, Connecticut. Registered with an NPI since 2016.

In the registry since
2016
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

1445 E Putnam Ave
Old Greenwich, CT 06870-1379
Phone: (203) 834-5020
Fax: (203) 563-9936
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1902267560
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorNo
NPI enumeratedMarch 10, 2016
Last updated in NPPESMarch 10, 2016

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