Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. KATHLEEN O'BRIEN MS
NPI 1730134917
Genetic Counselor, MS in Syosset, NY

Active since May 24, 2006
575 UNDERHILL BLVD, SYOSSET, NY 11791(516) 677-3981(516) 677-6631 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Kathleen O'brien Ms NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KATHLEEN O'BRIEN MS (NPI 1730134917) is an individual genetic counselor, ms provider in Syosset, New York and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1730134917
Entity TypeIndividualFemale
Primary Taxonomy170300000X
Provider Legal NameMS. KATHLEEN O'BRIENCredential: MS
Location Address575 UNDERHILL BLVDSyosset, NY 11791-3426
Mailing Address21 Cardinal LnHauppauge, NY 11788-2228 · (631) 724-3981 · Fax (631) 724-3981
Fax(516) 677-6631
Sole ProprietorNo
Enumeration DateMay 24, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1730134917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
575 UNDERHILL BLVD, Syosset, NY 11791

Other Names 1

Former Name (1)Ms. Kathleen Patchell M.s.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist
575 UNDERHILL BLVD
SYOSSET, NY 11791
Pathology (Anatomic Pathology & Clinical Pathology)
575 UNDERHILL BLVD
SYOSSET, NY 11791
Pathology (Anatomic Pathology)
575 UNDERHILL BLVD
SYOSSET, NY 11791
Pathology (Anatomic Pathology & Clinical Pathology)
575 UNDERHILL BLVD
SYOSSET, NY 11791
Psychologist
575 UNDERHILL BLVD
SYOSSET, NY 11791
Psychiatry & Neurology (Neurology)
575 UNDERHILL BLVD, SUITE 128
SYOSSET, NY 11791
Physician Assistant
575 UNDERHILL BLVD
SYOSSET, NY 11791
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
575 UNDERHILL BLVD, SUITE 110
SYOSSET, NY 11791

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kathleen O'brien's NPI number?

The NPI number for Kathleen O'brien is 1730134917. It was assigned to this individual provider in the NPPES registry on May 24, 2006. The provider is also known as Ms. Kathleen Patchell M.S..

Where is Kathleen O'brien located?

Kathleen O'brien practices at 575 Underhill Blvd, Syosset, NY 11791. The listed phone number is (516) 677-3981.

What is Kathleen O'brien's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

When was this NPI record last updated?

The NPPES record for Kathleen O'brien was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.