Individual provider Active NPI

Maryann Lyons, FNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Boston, MA
National Provider Identifier
1477857993
Registry record updated Feb 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
211254 Issued in MA
Practice address
300 Longwood Ave
Boston, MA 02115-5724
Phone
(617) 355-6000
NPI assigned
Dec 23, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 5, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 211254 MA
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 211254 MA Primary

Addresses

Primary practice location

300 Longwood Ave
Boston, MA 02115-5724

Mailing address

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

Other practice location 1

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190404001707 MA Practitioner - Nurse Practitioner 4789624453 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
George Washington University School of Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Three Rivers Mental Health PLLCGroup PAC ID 8325483720, 5 clinicians

Practice addresses (Care Compare)

30 Domino Dr
Suite 1
Concord, MA 01742-2802
Phone (857) 229-2852

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
211254MAMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
CHMC Anesthesia Foundation Inc Family CurrentSince Jan 1, 2021 Accepting new patients
Three Rivers Mental Health PLLC Psychiatric/Mental Health CurrentSince Oct 1, 2025 Accepting new patients

Locations

300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956

30 Domino Dr
Ste 1
Concord, MA 01742
Phone (857) 229-2852

Interoperability endpoints

  • Direct secure messaging: mlyons30972@direct.bostonchildrens.org

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1293062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770249600000",
    "number": "1477857993",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30 DOMINO DR",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017422802",
            "telephone_number": "857-229-2852",
            "fax_number": "857-216-6588"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "30 Domino Dr",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "MA",
            "postal_code": "017422802",
            "country_code": "US",
            "telephone_number": "857-229-2852",
            "fax_number": "857-216-6588",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LYONS",
        "first_name": "MARYANN",
        "name_prefix": "Ms.",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-12-23",
        "last_updated": "2026-02-05",
        "certification_date": "2026-02-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "211254",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "211254",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.