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

Marie O'Brien, ANP

Individual provider Adult Health Nurse Practitioner · NPI 1073860607

Marie O'Brien, ANP is a Nurse Practitioner in Port Jefferson, New York. Qualified in 2012, 14 years ago. Practices with John T Mather Memorial Hospital, a 180-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
14
Licensed in
NY
In the registry since
2012
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Practice location Address checks out

75 N Country Rd
Port Jefferson, NY 11777-2119
Phone: (631) 473-1320
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence F306181-1 (NY)

Record details

NPI number1073860607
Entity typeIndividual (Type 1)
GenderFemale
Credentials ANP
Sole proprietorNo
NPI enumeratedAugust 14, 2012
Last updated in NPPESAugust 14, 2012

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice John T Mather Memorial Hospital — 180 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Port Jefferson