Active NPI
Tanya L Duncan-Williams, AA-C
- Anesthesiologist Assistant
- Riverview, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiologist Assistant
- License
- AA730
- Practice address
- 6901 Simmons Loop
Riverview, FL 33578-9498 - Phone
- (813) 870-4015
- NPI assigned
- Sep 7, 2005
- 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 | AA730 | FL | Primary |
Addresses
Primary practice location
6901 Simmons Loop
Riverview, FL 33578-9498
Mailing address
2995 Drew St
Clearwater, FL 33759-3012
Phone (727) 315-7496
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | Tanya.Duncan-WilliamsCAA@direct.mybaycare.org | Health Information Exchange (HIE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in GA, FL
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology Assistant
- Education
- Other, 2022
- 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 |
|---|---|---|---|
| Baycare Medical Group, Inc. | Current | Accepting new patients | |
| Baycare Medical Group, Inc. | Physician Assistant | Current | Accepting new patients |
| Amsol Anesthetists of Georgia, LLC | Current | Accepting new patients | |
| American Anesthesiology Services of Florida, Inc. | Current | Accepting new patients | |
| Sentry Anesthesia Management, LLC | Current | Accepting new patients | |
| Amsol Anesthetists of Georgia LLC-Hughston Surgical Center | Physician Assistant | Current | Accepting new patients |
| Regional Anesthesia Associates LLC | Past | Accepting new patients |
Locations
4401 Riverchase Dr
Phenix City, AL 36867
Phone (334) 732-3000
2995 Drew St
Clearwater, FL 33759
Phone (727) 315-7496
2461 Enterprise Rd
Ste C
Clearwater, FL 33763
Phone (727) 725-5060
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
3001 W Mlk Blvd
Tampa, FL 33607
Phone (813) 361-6778
126 US Highway 280 W
Americus, GA 31719
Phone (229) 924-6011
6262 Veterans Pkwy
Unit B
Columbus, GA 31909
Phone (706) 494-3434
100 Frist Ct
Ste 2
Columbus, GA 31909
710 Center St
Columbus, GA 31901
Phone (706) 571-1000
6262 Veterans Pkwy
Columbus, GA 31909
Phone (706) 494-3071
100 Frist Ct
Columbus, GA 31909
Phone (706) 494-2100
616 19th St
Columbus, GA 31901
Phone (706) 494-4262
1305 Walt Whitman Rd
Ste 300
Melville, NY 11747
Phone (516) 370-3796
6225 State Highway 161
Ste 200
Irving, TX 75038
Phone (214) 687-0496
Interoperability endpoints
- tanya.duncan-williamscaa@direct.mybaycare.org
Organizations & group practices 7
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
Physician Assistant
-
- Anesthesiology Physician
- Melville, NY
- NPI 1508318387
FL
-
- Certified Registered Nurse Anesthetist
- Columbus, GA
- NPI 1649224775
-
- Anesthesiology Physician
- Newnan, GA
- NPI 1134544794
-
- Family Medicine Physician
- Clearwater, FL
- NPI 1659720837
-
- Certified Registered Nurse Anesthetist
- Columbus, GA
- NPI 1164708400
Physician Assistant
-
- Anesthesiology Physician
- Columbus, GA
- NPI 1063419893
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": "1126051200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774828800000",
"number": "1336133271",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2995 DREW ST",
"city": "CLEARWATER",
"state": "FL",
"postal_code": "337593012",
"telephone_number": "727-315-7496"
},
{
"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": "813-870-4015"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DUNCAN-WILLIAMS",
"first_name": "TANYA",
"middle_name": "L",
"credential": "AA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-09-07",
"last_updated": "2026-03-30",
"certification_date": "2026-03-30",
"status": "A"
},
"taxonomies": [
{
"code": "367H00000X",
"taxonomy_group": "",
"desc": "Anesthesiologist Assistant",
"state": "FL",
"license": "AA730",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "Tanya.Duncan-WilliamsCAA@direct.mybaycare.org",
"affiliation": "N",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "6901 Simmons Loop",
"city": "Riverview",
"state": "FL",
"country_code": "US",
"postal_code": "335789498",
"country_name": "United States",
"address_type": "DOM"
}
],
"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 30, 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.