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

Cassandra Fleurentin, FNP-BC

Individual provider Pediatric Registered Nurse · NPI 1912534686

Cassandra Fleurentin, FNP-BC is a Nurse Practitioner in Boston, Massachusetts. Qualified in 2020, 6 years ago. Practices with Holistic Behavioral Health Multi Services LLC, a 6-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
6
Licensed in
MA
In the registry since
2020
Specialties on file
3
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
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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 RN2273550 (MA)
Pediatric Registered Nurse Taxonomy 163WP0200X · Licence RN2273550 (MA)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 2024089066 (MA)

Record details

NPI number1912534686
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-BC
Sole proprietorNo
NPI enumeratedMarch 24, 2020
Last updated in NPPESJanuary 8, 2025
Certification dateJanuary 8, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Holistic Behavioral Health Multi Services Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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