Louis Nemser, MD

Primary specialty

Geriatric Psychiatry PhysicianTaxonomy code 2084P0805X

License

4304043086 Issued in MI

Practice address

992 Great Plain Ave
Needham, MA 02492-2561

Phone

(781) 433-0225

NPI assigned

Oct 13, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Needham Psychotherapy Associates LLC

  • Mental Health Counselor
  • Needham, MA
  • NPI 1811060056
  NPD (past)

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

{
    "created_epoch": "1129161600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1902895857",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "992 GREAT PLAIN AVE",
            "city": "NEEDHAM",
            "state": "MA",
            "postal_code": "024922561",
            "telephone_number": "781-433-0225"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "992 GREAT PLAIN AVE",
            "city": "NEEDHAM",
            "state": "MA",
            "postal_code": "024922561",
            "telephone_number": "781-433-0225"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEMSER",
        "first_name": "LOUIS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-13",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "MA",
            "license": "204082",
            "primary": false
        },
        {
            "code": "2084P0805X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Geriatric Psychiatry",
            "state": "MI",
            "license": "4304043086",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Needham Psychotherapy Associates LLC
• Needham Public Schools
• Needham Rehabilitation & Nursing Center LLC
• Howard Needleman, DMD
• Ashley Nelson
• Emily Pace Neuffer
• Neupath Center PLLC
• Neurothrive
• New England Retina Care PC
• Newton Wellesley Primary Care

• Geriatric Psychiatry Physician in Needham, MA
• Providers in Needham, MA by specialty
• Geriatric Psychiatry Physician in Massachusetts

• 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.