Active NPI
Allison Leigh Matis, AA
- Anesthesiologist Assistant
- Riverview, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiologist Assistant
- License
- AA18
- Practice address
- 6901 Simmons Loop
Riverview, FL 33578-9498 - Phone
- (813) 350-7244
- Fax
- (813) 350-7246
- NPI assigned
- Sep 26, 2008
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Anesthesiologist Assistant | 367H00000X | AA18 | FL | Primary |
Addresses
Primary practice location
6901 Simmons Loop
Riverview, FL 33578-9498
Mailing address
2995 Drew St FL 2
Clearwater, FL 33759-3012
Phone (727) 532-0002
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in FL
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology Assistant
- Education
- Other, 2008
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2461 Enterprise Rd
Suite C
Clearwater, FL 33763-1726
Phone (727) 725-5060
6901 Simmons Loop
Riverview, FL 33578-9498
Hospital & facility affiliations
- St Josephs Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Associate of Arts
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| American Anesthesiology Services of Florida, Inc. | Current | Accepting new patients | |
| Baycare Medical Group, Inc. | Current | Accepting new patients | |
| Baycare Medical Group, Inc. | Current | Accepting new patients |
Locations
300 Pinellas St
Clearwater, FL 33756
Phone (727) 461-8552
2461 Enterprise Rd
Ste C
Clearwater, FL 33763
Phone (727) 725-5060
2995 Drew St
Fl 2
Clearwater, FL 33759
Phone (727) 315-7234
6633 Forest Ave
Ste 105
New Prt Rchy, FL 34653
Phone (727) 845-4300
4725 N Federal Hwy
Oakland Park, FL 33308
Phone (954) 493-5005
6901 Simmons Loop
Riverview, FL 33578
Phone (813) 302-8000
900 Carillon Pkwy
Ste 205
St Petersburg, FL 33716
Phone (727) 561-2710
3001 W Mlk Blvd
Tampa, FL 33607
Phone (813) 361-6778
Interoperability endpoints
- allison.matisaa@direct.mybaycare.org
Organizations & group practices 3
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.
-
- General Practice Physician
- Clearwater, FL
- NPI 1043269871
-
- Anesthesiology Physician
- Melville, NY
- NPI 1508318387
FL
-
- Family Medicine Physician
- Clearwater, FL
- NPI 1659720837
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Tampa, FL
- NPI 1346519816
-
- General Acute Care Hospital
- Tampa, FL
- NPI 1881632818
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1222387200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773360000000",
"number": "1427208487",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2995 DREW ST FL 2",
"city": "CLEARWATER",
"state": "FL",
"postal_code": "337593012",
"telephone_number": "727-532-0002"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6901 SIMMONS LOOP",
"city": "RIVERVIEW",
"state": "FL",
"postal_code": "335789498",
"telephone_number": "813-350-7244",
"fax_number": "813-350-7246"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MATIS",
"first_name": "ALLISON",
"middle_name": "LEIGH",
"credential": "AA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2008-09-26",
"last_updated": "2026-03-13",
"certification_date": "2026-03-13",
"status": "A"
},
"taxonomies": [
{
"code": "367H00000X",
"taxonomy_group": "",
"desc": "Anesthesiologist Assistant",
"state": "FL",
"license": "AA18",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Riverview, FL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 13, 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.