Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Catherine M O'Brien, FNP

Individual provider Family Nurse Practitioner · NPI 1154330751

Catherine M O'Brien, FNP is a Nurse Practitioner in Watertown, New York. Qualified in 1998, 28 years ago. Practices with Northern Nurse Practitioners-Family Health PLLC, a 5-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
28
Licensed in
NY
In the registry since
2006
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

26495 State Route 3
Watertown, NY 13601-1749
Phone: (315) 786-1924
Fax: (315) 786-0823
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence F332600-1 (NY)

Record details

NPI number1154330751
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedAugust 5, 2006
Last updated in NPPESMay 21, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Northern Nurse Practitioners-Family Health Pllc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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