Stephanie Colgan Chalk, PHD, LPC

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Practice address

640 John Carlyle St Unit 426
Alexandria, VA 22314-6885

Phone

(202) 743-2697

NPI assigned

Aug 6, 2020

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

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

{
    "created_epoch": "1596672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1053921866",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14497 POTOMAC MILLS RD # 1120",
            "city": "WOODBRIDGE",
            "state": "VA",
            "postal_code": "221926807"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "640 JOHN CARLYLE ST UNIT 426",
            "city": "ALEXANDRIA",
            "state": "VA",
            "postal_code": "223146885",
            "telephone_number": "202-743-2697"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHALK",
        "first_name": "STEPHANIE",
        "middle_name": "COLGAN",
        "name_prefix": "Dr.",
        "credential": "PHD, LPC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-08-06",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katerina I Cespedes, DDS
• CFN Consultation LLC
• Bahia Chacal, PA
• Vasanthi Chadive, M.D.,
• Cleophus Chalk
• Kerryanne Chambers, RBT
• Shivam A Champaneri, MD
• Champions of Care LLC
• Stephen Andrew Chan, FNP-C
• Raiwat Chanchaivit

• Mental Health Counselor in Alexandria, VA
• Providers in Alexandria, VA by specialty
• Mental Health Counselor in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.