Individual provider Active NPI

Mark Jeffrey Hauser, M.D.

  • Forensic Psychiatry Physician
  • Newton, MA
National Provider Identifier
1649231879
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Forensic Psychiatry PhysicianTaxonomy code 2084F0202X
License
028531 Issued in CT
Practice address
16 Converse Ave
Newton, MA 02458-2504
Phone
(617) 969-6331
Fax
(617) 969-6350
NPI assigned
Mar 29, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Forensic Psychiatry Physician 2084F0202X 49874 MA
Forensic Psychiatry Physician 2084F0202X 028531 CT Primary
Psychiatry Physician 2084P0800X 49874 MA
Psychiatry Physician 2084P0800X 028531 CT

Addresses

Primary practice location

16 Converse Ave
Newton, MA 02458-2504

Mailing address

16 Converse Ave
Newton, MA 02458-2504
Phone (617) 969-6331

Other identifiers 1

IdentifierTypeStateIssuer
3023656MedicaidMA

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)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
49874MAMDForensic Psychiatry Physician
028531CTMDPsychiatry Physician

NPI Registry JSON

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

{
    "created_epoch": "1143590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1649231879",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16 CONVERSE AVE",
            "city": "NEWTON",
            "state": "MA",
            "postal_code": "024582504",
            "telephone_number": "617-969-6331",
            "fax_number": "617-969-6350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16 CONVERSE AVE",
            "city": "NEWTON",
            "state": "MA",
            "postal_code": "024582504",
            "telephone_number": "617-969-6331",
            "fax_number": "617-969-6350"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAUSER",
        "first_name": "MARK",
        "middle_name": "JEFFREY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084F0202X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Forensic Psychiatry",
            "state": "MA",
            "license": "49874",
            "primary": false
        },
        {
            "code": "2084F0202X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Forensic Psychiatry",
            "state": "CT",
            "license": "028531",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "49874",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CT",
            "license": "028531",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3023656",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Newton, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.