Doctor profile · Federal record
Dr. Tanya Duncan-Williams, AA-C
Anesthesiologist Assistant (CMS: Anesthesiology Assistant) · Riverview, FL
- NPI 1336133271
- Accepts Medicare
- 4 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6901 Simmons Loop
Riverview, FL 335789498
(813) 870-4015 - Mailing address
-
2995 Drew St
Clearwater, FL 337593012
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- March 30, 2026
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 367H00000X — NUCC code
- State license (1)
- Florida #AA730
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336133271. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
30
Distinct HCPCS
2
Medicare allowed
$2,167
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 15 | 15 | $76 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 15 | 15 | $69 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 15. This provider delivers 2.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Tanya Duncan-Williams's medical specialty?
Dr. Tanya Duncan-Williams practices Anesthesiologist Assistant in Riverview, FL.
Where does Dr. Tanya Duncan-Williams practice?
Dr. Tanya Duncan-Williams practices at 6901 Simmons Loop, Riverview, FL 335789498. Office phone: 8138704015.
What is Dr. Tanya Duncan-Williams's NPI?
Dr. Tanya Duncan-Williams's National Provider Identifier (NPI) is 1336133271, issued by NPPES.
Does Dr. Tanya Duncan-Williams accept Medicare assignment?
Yes. Dr. Tanya Duncan-Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tanya Duncan-Williams commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.