Individual provider Active NPI

Belser Louie, PH.D.

  • School Psychologist
  • Brookline, MA
National Provider Identifier
1831220912
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
School PsychologistTaxonomy code 103TS0200X
License
2647 Issued in MA
Practice address
1284 Beacon St
#320
Brookline, MA 02446-3788
Phone
(617) 513-2977
Fax
(617) 734-4582
NPI assigned
Mar 8, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 8

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Psychologist 103TA0400X 2647 MA
Clinical Psychologist 103TC0700X 2647 MA
Clinical Child & Adolescent Psychologist 103TC2200X 2647 MA
Forensic Psychologist 103TF0200X 2647 MA
Health Service Psychologist 103TH0100X 2647 MA
Psychologist 103T00000X 2647 MA
Group Psychotherapy Psychologist 103TP2701X 2647 MA
School Psychologist 103TS0200X 2647 MA Primary

Addresses

Primary practice location

1284 Beacon St
#320
Brookline, MA 02446-3788

Mailing address

258 Harvard St
#291
Brookline, MA 02446-2904
Phone (617) 513-2977

Other identifiers 1

IdentifierTypeStateIssuer
0509892MedicaidMA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
2647MAMDBehavioral Analyst

NPI Registry JSON

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

{
    "created_epoch": "1173312000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1831220912",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "258 HARVARD ST",
            "address_2": "#291",
            "city": "BROOKLINE",
            "state": "MA",
            "postal_code": "024462904",
            "telephone_number": "617-513-2977",
            "fax_number": "617-734-4582"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1284 BEACON ST",
            "address_2": "#320",
            "city": "BROOKLINE",
            "state": "MA",
            "postal_code": "024463788",
            "telephone_number": "617-513-2977",
            "fax_number": "617-734-4582"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOUIE",
        "first_name": "BELSER",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-08",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": "MA",
            "license": "2647",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MA",
            "license": "2647",
            "primary": false
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": "MA",
            "license": "2647",
            "primary": false
        },
        {
            "code": "103TF0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Forensic",
            "state": "MA",
            "license": "2647",
            "primary": false
        },
        {
            "code": "103TH0100X",
            "taxonomy_group": "",
            "desc": "Psychologist, Health Service",
            "state": "MA",
            "license": "2647",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MA",
            "license": "2647",
            "primary": false
        },
        {
            "code": "103TP2701X",
            "taxonomy_group": "",
            "desc": "Psychologist, Group Psychotherapy",
            "state": "MA",
            "license": "2647",
            "primary": false
        },
        {
            "code": "103TS0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, School",
            "state": "MA",
            "license": "2647",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0509892",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Brookline, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.