Active NPI
Atalla Medical Group
- Family Medicine Physician
- San Fernando, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- 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, 2026
- Organization subpart
- No
NPPES NPI Registry
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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 05D2214178 | Atalla Medical Group | Certificate of waiver | Feb 18, 2027 |
National Provider Directory
National Provider DirectoryLocations
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.
-
- Physician Assistant
- San Fernando, CA
- NPI 1093449589
-
- Physician Assistant
- Los Angeles, CA
- NPI 1346677572
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.