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

MS. Shannon Marie O'Brien, ANP

Individual provider Adult Health Nurse Practitioner · NPI 1750798625

MS. Shannon Marie O'Brien, ANP is a Nurse Practitioner in Buffalo, New York. Qualified in 2014, 12 years ago. Practices with Mercy Hospital of Buffalo, a 198-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
12
Licensed in
NY
In the registry since
2014
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Practice location Address checks out

515 Abbott Rd
Buffalo, NY 14220-1700
Phone: (716) 828-2478
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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 F306915-1 (NY)

Record details

NPI number1750798625
Entity typeIndividual (Type 1)
GenderFemale
Credentials ANP
Sole proprietorNo
NPI enumeratedJuly 12, 2014
Last updated in NPPESJuly 12, 2014

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Mercy Hospital Of Buffalo — 198 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Buffalo