Individual provider Active NPI

John C Rhead, PH.D.

  • Psychologist
  • Columbia, MD
National Provider Identifier
1811039068
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
651 Issued in MD
Practice address
5560 Sterrett PL
Suite 205
Columbia, MD 21044-2601
Phone
(410) 997-5060
NPI assigned
Feb 13, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 8

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 651 MD Primary
Addiction (Substance Use Disorder) Psychologist 103TA0400X
Adult Development & Aging Psychologist 103TA0700X
Cognitive & Behavioral Psychologist 103TB0200X
Clinical Psychologist 103TC0700X 651 MD
Clinical Child & Adolescent Psychologist 103TC2200X
Family Psychologist 103TF0000X
Group Psychotherapy Psychologist 103TP2701X

Addresses

Primary practice location

5560 Sterrett PL
Suite 205
Columbia, MD 21044-2601

Mailing address

5560 Sterrett PL
Suite 205
Columbia, MD 21044-2601
Phone (410) 997-5060

Other identifiers 1

IdentifierTypeStateIssuer
12522OtherNATIONAL REGISTER

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.
Opted out of Medicare
Yes, effective Jun 27, 2013 through Jun 27, 2027

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
651MDMDPsychologist
00651MDMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
John C. Rhead, PH.D., P.a. Psychologist Past 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": "1171324800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1811039068",
    "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": {
        "last_name": "RHEAD",
        "first_name": "JOHN",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-13",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MD",
            "license": "651",
            "primary": true
        },
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TA0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Adult Development & Aging",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TB0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MD",
            "license": "651",
            "primary": false
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TF0000X",
            "taxonomy_group": "",
            "desc": "Psychologist, Family",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TP2701X",
            "taxonomy_group": "",
            "desc": "Psychologist, Group Psychotherapy",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NATIONAL REGISTER",
            "identifier": "12522",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbia, MD

Sources for this page

Verify at the official NPI Registry.