Amy Ruth Gerson, PHD

Primary specialty

Health Service PsychologistTaxonomy code 103TH0100X

License

4753 Issued in MA

Practice address

21A Muzzey St
Lexington, MA 02421-5202

Phone

(781) 862-5623

Fax

(781) 860-5268

NPI assigned

Feb 6, 2007

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 6

Addresses

Other names 1

• Amy Ruth Cohen Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Jan 18, 2020 through Jan 18, 2028

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

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.

• Gerson, Inc

  • Counseling Psychologist
  • Lexington, MA
  • NPI 1851589725
  NPD (past) Authorized official

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

{
    "created_epoch": "1170720000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1316087901",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12 CLEMATIS RD",
            "city": "LEXINGTON",
            "state": "MA",
            "postal_code": "024217117",
            "telephone_number": "781-862-5623",
            "fax_number": "781-860-5268"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21A MUZZEY ST",
            "city": "LEXINGTON",
            "state": "MA",
            "postal_code": "024215202",
            "telephone_number": "781-862-5623",
            "fax_number": "781-860-5268"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GERSON",
        "first_name": "AMY",
        "middle_name": "RUTH",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-02-06",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TA0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Adult Development & Aging",
            "state": "MA",
            "license": "4753",
            "primary": false
        },
        {
            "code": "103TC1900X",
            "taxonomy_group": "",
            "desc": "Psychologist, Counseling",
            "state": "MA",
            "license": "4753",
            "primary": false
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": "MA",
            "license": "4753",
            "primary": false
        },
        {
            "code": "103TF0000X",
            "taxonomy_group": "",
            "desc": "Psychologist, Family",
            "state": "MA",
            "license": "4753",
            "primary": false
        },
        {
            "code": "103TH0100X",
            "taxonomy_group": "",
            "desc": "Psychologist, Health Service",
            "state": "MA",
            "license": "4753",
            "primary": true
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MA",
            "license": "4753",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "AMY",
            "last_name": "COHEN",
            "middle_name": "RUTH",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Genoa Healthcare LLC
• Catherine Danise Geomelos
• Deborah Leigh Georgenes, NP-C
• Ellen Geraghty
• Gerard Foo, PHD, PC
• Gerson, Inc
• Stacie Giannelli
• Courtney Gibeley
• Eleanor R Gilbert, MD
• Lisa W Gilbert, M.D.

• Health Service Psychologist in Lexington, MA
• Providers in Lexington, MA by specialty
• Health Service Psychologist 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.