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

Mrs. Marissa Ross, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1255913109

Mrs. Marissa Ross, PMHNP is a Nurse Practitioner in Boston, Massachusetts. Qualified in 2021, 5 years ago. Practices with Thrive Counseling LLC, a 1,188-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and New Hampshire.

Years since qualifying
5
Licensed in
MA, NH
In the registry since
2021
Specialties on file
2
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

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Practice location Address checks out

1 Emerson Pl Ste 3H
Boston, MA 02114-2252
Phone: (617) 397-3951
Show map & directions

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

Additional practice locations (1)

  • 124 Watertown St Ste 2d, Watertown, MA 02472-2500 — (617) 916-5096

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence RN2293349 (MA)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 070155-23 (NH)

Record details

NPI number1255913109
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP
Sole proprietorYes
NPI enumeratedApril 21, 2021
Last updated in NPPESFebruary 26, 2024
Certification dateFebruary 26, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Thrive Counseling Llc — 1188 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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