Organization Active NPI

Atalla Medical Group

  • Family Medicine Physician
  • San Fernando, CA
National Provider Identifier
1356963417
Registry record updated Feb 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
ATALLA MEDICAL GROUP
Practice address
557 N Maclay Ave
San Fernando, CA 91340-2424
Phone
(818) 639-0210
NPI assigned
May 12, 2020
Last updated
Feb 3, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 3, 2026

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

Authorized official

Name
Martha I Atalla, MD
Title
MD
Phone
(630) 935-7306

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X Primary
Pediatrics Physician 208000000X

Addresses

Primary practice location

557 N Maclay Ave
San Fernando, CA 91340-2424

Mailing address

9839 Belmar Ave
Northridge, CA 91324-1655
Phone (559) 804-3130

Other practice location 1

9839 Belmar Ave
Northridge, CA 91324-1655
Phone (630) 935-7306

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20200903000777 CA Part B Supplier - Clinic/Group Practice 4284051327 Receives reassigned benefits from 2 practitioners
Practice locations: San Fernando, CA

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D2214178Atalla Medical Group557 N Maclay Ave, San Fernando, CA 91340Certificate of waiverFeb 18, 2027

National Provider Directory

National Provider Directory

Locations

557 N Maclay Ave
San Fernando, CA 91340
Phone (818) 639-0209

Practitioners & affiliated clinicians

Practitioners 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1589241600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770076800000",
    "number": "1356963417",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9839 BELMAR AVE",
            "city": "NORTHRIDGE",
            "state": "CA",
            "postal_code": "913241655",
            "telephone_number": "559-804-3130"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "557 N MACLAY AVE",
            "city": "SAN FERNANDO",
            "state": "CA",
            "postal_code": "913402424",
            "telephone_number": "818-639-0210"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9839 Belmar Ave",
            "address_purpose": "LOCATION",
            "city": "Northridge",
            "state": "CA",
            "postal_code": "913241655",
            "country_code": "US",
            "telephone_number": "630-935-7306",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ATALLA MEDICAL GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-05-12",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A",
        "authorized_official_last_name": "ATALLA",
        "authorized_official_first_name": "MARTHA",
        "authorized_official_middle_name": "I",
        "authorized_official_title_or_position": "MD",
        "authorized_official_telephone_number": "630-935-7306",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Fernando, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.