Individual provider Active NPI

Mark Stephen Lum, PSY.D.

  • Clinical Psychologist
  • Orange, CA
National Provider Identifier
1083648752
Registry record updated Sep 20, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
PSY13344 Issued in CA
Practice address
1801 E Heim Ave
Suite 204
Orange, CA 92865-3020
Phone
(714) 282-9713
Fax
(714) 282-8016
NPI assigned
Jul 10, 2006
Last updated
Sep 20, 2007By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 20, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X PSY13344 CA Primary

Addresses

Primary practice location

1801 E Heim Ave
Suite 204
Orange, CA 92865-3020

Mailing address

PO Box 80736
Rancho Santa Margarita, CA 92688-0736
Phone (949) 713-9846

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

State licenses

LicenseStateTypeSpecialty
PSY13344CAMDClinical Psychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Mark Lum Psychological Services Clinical 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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1152489600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1190246400000",
    "number": "1083648752",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 80736",
            "city": "RANCHO SANTA MARGARITA",
            "state": "CA",
            "postal_code": "926880736",
            "telephone_number": "949-713-9846",
            "fax_number": "949-713-9846"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1801 E HEIM AVE",
            "address_2": "SUITE 204",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928653020",
            "telephone_number": "714-282-9713",
            "fax_number": "714-282-8016"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LUM",
        "first_name": "MARK",
        "middle_name": "STEPHEN",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-10",
        "last_updated": "2007-09-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY13344",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 20, 2007; 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.