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

Mr. Francis James O'Sullivan, MS, APRN, BC

Individual provider Psychiatric/Mental Health Clinical Nurse Specialist · NPI 1386655496

Mr. Francis James O'Sullivan, MS, APRN, BC is a Psychiatric/Mental Health Clinical Nurse Specialist in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
MS — Master of Science
A graduate science degree.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
BC — Board Certified
Appended to another credential to show current board certification, as in APRN-BC.

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Practice location Address checks out

251 Causeway St
Boston, MA 02114-2148
Phone: (617) 248-1053
Fax: (617) 248-1121
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Clinical Nurse Specialist (primary) Taxonomy 364SP0808X · Licence RN173665PC (MA)

Record details

NPI number1386655496
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , APRN , BC
Sole proprietorNo
NPI enumeratedAugust 11, 2006
Last updated in NPPESJuly 8, 2007

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