John C. Rhead, PH.D., P.a.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

651 Issued in MD

Legal business name

JOHN C. RHEAD, PH.D., P.A.

Practice address

5560 Sterrett PL
Suite 205
Columbia, MD 21044-2601

Phone

(410) 997-5060

NPI assigned

Feb 13, 2007

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. John C Rhead, PH.D.NPI 1811039068

Title

President

Phone

(410) 997-5060

Specialties & licenses 9

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• John C Rhead, PH.D.

  • Psychologist
  • Columbia, MD
  • NPI 1811039068
  NPD (past) Authorized official

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

{
    "created_epoch": "1171324800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1386786549",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5560 STERRETT PL",
            "address_2": "SUITE 205",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210442601",
            "telephone_number": "410-997-5060"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5560 STERRETT PL",
            "address_2": "SUITE 205",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210442601",
            "telephone_number": "410-997-5060"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHN C. RHEAD, PH.D., P.A.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-02-13",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "RHEAD",
        "authorized_official_first_name": "JOHN",
        "authorized_official_middle_name": "C",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "410-997-5060",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PH.D."
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": "MD",
            "license": "651",
            "primary": true
        },
        {
            "code": "103TA0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TA0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Adult Development & Aging",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TB0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TF0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Family",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TP2701X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Group Psychotherapy",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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

• 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.