Active NPI
Christian Michael Casson Matishak, MD
- Anesthesiology Physician
- Little Rock, AR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- E18552
- Practice address
- 2 Saint Vincent Cir
Little Rock, AR 72205-5423 - Phone
- (501) 224-1690
- NPI assigned
- Jun 11, 2020
- Reactivated
- Feb 25, 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Student in an Organized Health Care Education/Training Program | 390200000X | BP10072819 | TX | |
| Anesthesiology Physician | 207L00000X | E18552 | AR | Primary |
Addresses
Primary practice location
2 Saint Vincent Cir
Little Rock, AR 72205-5423
Mailing address
2 Saint Vincent Cir
Little Rock, AR 72205-5423
Phone (501) 224-1690
Other practice location 1
5323 Harry Hines Blvd
MC 9159
Dallas, TX 75390
Phone (214) 648-8760
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AR
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2 Saint Vincent Cir
Little Rock, AR 72205-5423
Phone (501) 552-4666
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| E18552 | AR | MD | Anesthesiology Physician |
| BP10072819 | TX | MD | Student in an Organized Health Care Education/Training Program |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| St. Vincent Medical Group | Current | Accepting new patients | |
| St Vincent Physician Clinics LLC | Past | Accepting new patients |
Locations
16221 Saint Vincent Way
Little Rock, AR 72223
Phone (501) 221-0888
2 Saint Vincent Cir
Little Rock, AR 72205
Phone (501) 552-2680
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Family Medicine Physician
- Little Rock, AR
- NPI 1134176480
-
- Family Medicine Physician
- Little Rock, AR
- NPI 1134558398
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Psychiatric Hospital Unit
- Little Rock, AR
- NPI 1710442801
-
- General Acute Care Hospital
- Little Rock, AR
- NPI 1780684431
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1591833600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1755388800000",
"number": "1518582899",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2 SAINT VINCENT CIR",
"city": "LITTLE ROCK",
"state": "AR",
"postal_code": "722055423",
"telephone_number": "501-224-1690"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2 SAINT VINCENT CIR",
"city": "LITTLE ROCK",
"state": "AR",
"postal_code": "722055423",
"telephone_number": "501-224-1690"
}
],
"practiceLocations": [
{
"address_1": "5323 Harry Hines Blvd",
"address_2": "MC 9159",
"address_purpose": "LOCATION",
"city": "Dallas",
"state": "TX",
"postal_code": "75390",
"country_code": "US",
"telephone_number": "214-648-8760",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MATISHAK",
"first_name": "CHRISTIAN",
"middle_name": "MICHAEL CASSON",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-06-11",
"last_updated": "2025-08-17",
"certification_date": "2025-08-17",
"deactivation_date": "2022-01-18",
"reactivation_date": "2022-02-25",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "TX",
"license": "BP10072819",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "AR",
"license": "E18552",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Little Rock, AR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2025; 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.