Mark Reader, PH.D., P.a.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

Legal business name

MARK READER, PH.D., P.A.

Practice address

3655 Old Court Rd
Suite 22
Baltimore, MD 21208-3905

Phone

(410) 484-7780

Fax

(410) 653-9415

NPI assigned

Jun 20, 2007

Organization subpart

No

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

Authorized official

Name

Dr. Mark Jay Reader, PH.D.

Title

Psychologist

Phone

(410) 484-7780

Specialties & licenses 3

Addresses

Locations

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

{
    "created_epoch": "1182297600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1144425992",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3655 OLD COURT RD",
            "address_2": "SUITE 22",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212083905",
            "telephone_number": "410-484-7780",
            "fax_number": "410-653-9415"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3655 OLD COURT RD",
            "address_2": "SUITE 22",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212083905",
            "telephone_number": "410-484-7780",
            "fax_number": "410-653-9415"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARK READER, PH.D., P.A.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-06-20",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "READER",
        "authorized_official_first_name": "MARK",
        "authorized_official_middle_name": "JAY",
        "authorized_official_title_or_position": "PSYCHOLOGIST",
        "authorized_official_telephone_number": "410-484-7780",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PH.D."
    },
    "taxonomies": [
        {
            "code": "103TB0200X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maritime Lithotripsy, LLC
• Marjorie Gail Falk,
• Mark a. Deitch, MD, LLC
• Mark H. Lowitt MD, LLC
• Mark P Diamond MD PA
• Alexander Mark
• Bernadette V Mark, LGSW
• Katrina Schafer Mark, MD
• Kevin Mark, DPT
• Lynette Mark, M.D.

• Clinical Psychologist in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Clinical 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.