Active NPI
Aj Mattis MD Inc
- Anatomic Pathology & Clinical Pathology Physician
- Palmdale, CA
National Provider Identifier
1952218653
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anatomic Pathology & Clinical Pathology Physician
- Legal business name
- AJ MATTIS MD INC
- Practice address
- 38600 Medical Center Dr
Palmdale, CA 93551-4483 - Phone
- (818) 209-4430
- NPI assigned
- Aug 26, 2026
- Last updated
- Sep 29, 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
- Dr. Aidas Joseph Mattis, MD, PHD
- Title
- President
- Phone
- (800) 288-8325
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | NU | Primary |
Addresses
Primary practice location
38600 Medical Center Dr
Palmdale, CA 93551-4483
Mailing address
1132 Lavender LN
La Canada, CA 91011-2339
Phone (818) 209-4430
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 1
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.
-
- Anatomic Pathology & Clinical Pathology Physician
- La Canada Flintridge, CA
- NPI 1558817817
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1787702400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1790640000000",
"number": "1952218653",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1132 LAVENDER LN",
"city": "LA CANADA",
"state": "CA",
"postal_code": "910112339",
"telephone_number": "818-209-4430"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "38600 MEDICAL CENTER DR",
"city": "PALMDALE",
"state": "CA",
"postal_code": "935514483",
"telephone_number": "818-209-4430"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "AJ MATTIS MD INC",
"organizational_subpart": "NO",
"enumeration_date": "2026-08-26",
"last_updated": "2026-09-29",
"certification_date": "2026-09-29",
"status": "A",
"authorized_official_last_name": "MATTIS",
"authorized_official_first_name": "AIDAS",
"authorized_official_middle_name": "JOSEPH",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "800-288-8325",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "MD, PHD"
},
"taxonomies": [
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Palmdale, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.