Individual provider Active NPI

Hollis Calvin Henry, M.S.

  • Mental Health Counselor
  • Marietta, GA
National Provider Identifier
1689595142
Registry record updated Jul 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Practice address
1640 Powers Ferry Rd SE BLDG 4
Marietta, GA 30067-5491
Phone
(678) 336-6875
NPI assigned
Jul 22, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X Primary

Addresses

Primary practice location

1640 Powers Ferry Rd SE BLDG 4
Marietta, GA 30067-5491

Mailing address

542 Argonne Dr NW
Atlanta, GA 30305-2839
Phone (404) 386-8066

Other practice location 1

1111 Cambridge Sq Ste 200
Alpharetta, GA 30009-1844
Phone (678) 336-6875

Other names 1

  • Calvin Henry Professional name

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

Practice roles

OrganizationSpecialtyStatusNew patients
Recovery DBT PastSince Aug 6, 2023 Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1784678400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1689595142",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "542 ARGONNE DR NW",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303052839",
            "telephone_number": "404-386-8066"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1640 POWERS FERRY RD SE BLDG 4",
            "city": "MARIETTA",
            "state": "GA",
            "postal_code": "300675491",
            "telephone_number": "678-336-6875"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1111 Cambridge Sq Ste 200",
            "address_purpose": "LOCATION",
            "city": "Alpharetta",
            "state": "GA",
            "postal_code": "300091844",
            "country_code": "US",
            "telephone_number": "678-336-6875",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HENRY",
        "first_name": "HOLLIS",
        "middle_name": "CALVIN",
        "name_prefix": "Mr.",
        "credential": "M.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-22",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CALVIN",
            "last_name": "HENRY",
            "credential": "M.S.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Marietta, GA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 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.