Thanh Tam Nguyen-Louie, PHD

Primary specialty

PsychologistTaxonomy code 103T00000X

License

06548 Issued in MD

Practice address

1009 Frederick Rd
Catonsville, MD 21228-5055

Phone

(443) 355-7572

NPI assigned

Jun 26, 2018

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other names 1

• Tam Nguyen-Louie Other name

Medicare fee-for-service enrollment

Enrolled in DC, CA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Clinical Psychologist

Education

Other, 2018

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• Grow Healthcare Group PA

  • Mental Health Counselor
  • Miami, FL
  • NPI 1245845932

  DC, Psychologist

  Medicare reassignment NPD
• Grow Healthcare Group PC

  • Mental Health Counselor
  • San Jose, CA
  • NPI 1154994846

  Psychologist

  Medicare reassignment NPD

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

{
    "created_epoch": "1529971200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784073600000",
    "number": "1659866390",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4520 RUSTY GATE",
            "city": "ELLICOTT CITY",
            "state": "MD",
            "postal_code": "210436565",
            "telephone_number": "858-361-4084"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1009 FREDERICK RD",
            "city": "CATONSVILLE",
            "state": "MD",
            "postal_code": "212285055",
            "telephone_number": "443-355-7572"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN-LOUIE",
        "first_name": "THANH TAM",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-06-26",
        "last_updated": "2026-07-15",
        "certification_date": "2026-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychologist",
            "state": "MD",
            "license": "06548",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MD",
            "license": "06548",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "TAM",
            "last_name": "NGUYEN-LOUIE",
            "credential": "PHD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Neurodipity LLC
• New Day Health Systems Inc
• New Day Health Systems, Inc.
• Alyssa Raquel Newton, M.D.
• Madjou Stella Ngantche, PMHNP
• NH BV Catonsville Tenant, LLC
• Deborah J Nicholson, M.D.
• John Laws Nickins Jr., DDS
• David Andrew Nieman, MS
• Amelia G Nigro, LCSW-C

• Psychologist in Catonsville, MD
• Providers in Catonsville, MD by specialty
• Psychologist in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.