Active NPI
Matthew Michel Shashaty, MD
- Anesthesiology Physician
- Orange, CA
National Provider Identifier
1558011973
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- A190599
- Practice address
- 101 The City Dr S
Orange, CA 92868-3201 - Phone
- (714) 456-8888
- NPI assigned
- Mar 28, 2022
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | A190599 | CA | Primary |
Addresses
Primary practice location
101 The City Dr S
Orange, CA 92868-3201
Mailing address
1800 N California St
Stockton, CA 95204-6019
Phone (209) 547-7181
Other practice location 1
1800 N California St
Stockton, CA 95204-6019
Phone (209) 547-7181
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Georgetown University School of Medicine, 2022
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
PO Box
Orange, CA 92863
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A190599 | CA | MD | Anesthesiology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1648425600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776988800000",
"number": "1558011973",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1800 N CALIFORNIA ST",
"city": "STOCKTON",
"state": "CA",
"postal_code": "952046019",
"telephone_number": "209-547-7181"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "101 THE CITY DR S",
"city": "ORANGE",
"state": "CA",
"postal_code": "928683201",
"telephone_number": "714-456-8888"
}
],
"practiceLocations": [
{
"address_1": "1800 N California St",
"address_purpose": "LOCATION",
"city": "Stockton",
"state": "CA",
"postal_code": "952046019",
"country_code": "US",
"telephone_number": "209-547-7181",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SHASHATY",
"first_name": "MATTHEW",
"middle_name": "MICHEL",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-03-28",
"last_updated": "2026-04-24",
"certification_date": "2026-04-24",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "CA",
"license": "A190599",
"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 Apr 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.