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

Karen Dermer, DO

Individual provider Pediatrics Physician · NPI 1215564703

Karen Dermer, DO is a Pediatrics Physician in Stony Brook, New York. Licensed in Illinois and New York. Registered with an NPI since 2020.

Licensed in
IL, NY
In the registry since
2020
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

101 Nicolls Rd
Stony Brook, NY 11794-0001
Phone: (631) 444-2020
Fax: (631) 444-2894
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 32180101 (NY)
Pediatric Hematology & Oncology Physician Taxonomy 2080P0207X · Licence 036.170415 (IL)

Record details

NPI number1215564703
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 24, 2020
Last updated in NPPESJune 11, 2024
Certification dateJune 11, 2024
Mailing address101 Nicolls Rd Rm 40, Stony Brook, NY 11794-0001

Other providers in Stony Brook