Individual provider Active NPI

John Michael Hayes, PH.D.

  • Family Psychologist
  • Columbia, MD
National Provider Identifier
1023224326
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family PsychologistTaxonomy code 103TF0000X
License
1142 Issued in MD
Practice address
10632 Little Patuxent Pkwy
Suite 308-a
Columbia, MD 21044-3273
Phone
(410) 730-0100
NPI assigned
May 15, 2007
Sex
Male
Sole proprietor
Yes

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 7

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 1142 MD
Clinical Psychologist 103TC0700X 1142 MD
Counseling Psychologist 103TC1900X 1142 MD
Clinical Child & Adolescent Psychologist 103TC2200X 1142 MD
Family Psychologist 103TF0000X 1142 MD Primary
Psychoanalysis Psychologist 103TP0814X 1142 MD
Group Psychotherapy Psychologist 103TP2701X 1142 MD

Addresses

Primary practice location

10632 Little Patuxent Pkwy
Suite 308-a
Columbia, MD 21044-3273

Mailing address

4404 Keswick Rd
Baltimore, MD 21210-2808
Phone (410) 662-9121

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
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
1142MDMDPsychoanalysis Psychologist

NPI Registry JSON

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

{
    "created_epoch": "1179187200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1023224326",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4404 KESWICK RD",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212102808",
            "telephone_number": "410-662-9121"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10632 LITTLE PATUXENT PKWY",
            "address_2": "SUITE 308-A",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210443273",
            "telephone_number": "410-730-0100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAYES",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-05-15",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MD",
            "license": "1142",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MD",
            "license": "1142",
            "primary": false
        },
        {
            "code": "103TC1900X",
            "taxonomy_group": "",
            "desc": "Psychologist, Counseling",
            "state": "MD",
            "license": "1142",
            "primary": false
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": "MD",
            "license": "1142",
            "primary": false
        },
        {
            "code": "103TF0000X",
            "taxonomy_group": "",
            "desc": "Psychologist, Family",
            "state": "MD",
            "license": "1142",
            "primary": true
        },
        {
            "code": "103TP0814X",
            "taxonomy_group": "",
            "desc": "Psychologist, Psychoanalysis",
            "state": "MD",
            "license": "1142",
            "primary": false
        },
        {
            "code": "103TP2701X",
            "taxonomy_group": "",
            "desc": "Psychologist, Group Psychotherapy",
            "state": "MD",
            "license": "1142",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbia, MD

Sources for this page

  • 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.