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

MS. Maryann Lyons, FNP

Individual provider Nurse Practitioner · NPI 1477857993

MS. Maryann Lyons, FNP is a Nurse Practitioner in Boston, Massachusetts. Graduated from George Washington University School of Medicine in 2010, 16 years ago. Practices with Three Rivers Mental Health PLLC, a 5-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
16
Trained at
George Washington University School of Medicine
Licensed in
MA
In the registry since
2010
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 30 Domino Dr, Concord, MA 01742-2802 — (857) 229-2852

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 211254 (MA)
Nurse Practitioner Taxonomy 363L00000X · Licence 211254 (MA)

Record details

NPI number1477857993
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedDecember 23, 2010
Last updated in NPPESFebruary 5, 2026
Certification dateFebruary 5, 2026
Mailing address30 Domino Dr, Concord, MA 01742-2802

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Three Rivers Mental Health Pllc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Boston