NPPES file of Aug 9, 2026

Tanya L. Duncan-Williams, AA-C

Anesthesiologist Assistant · Riverview, FL

Tanya L. Duncan-Williams, AA-C is an anesthesiologist assistant with a practice address in Riverview, Florida, and NPI 1336133271, issued on Sep 7, 2005. Check the license (Florida AA730, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336133271
Name
Tanya L. Duncan-Williams
Credential
AA-C
Primary taxonomy
Anesthesiologist Assistant 367H00000X
License number
AA730 FL
Self-reported in NPPES; status is on the state search
Practice location
6901 Simmons Loop, Riverview, FL 33578
Phone
(813) 870-4015
Enumerated
Sep 7, 2005
Record last updated
Mar 30, 2026
Medicare enrollment
Enrolled (PECOS I20221201002133); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest anesthesiologist assistant records → All 969 in Florida → Look up another NPI →

Also registered at 6901 Simmons Loop

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Saud Al-Ezzi, MDStudent in an Organized Health Care Education/Training Program1033058524
  2. Hani Alayoubi, MDStudent in an Organized Health Care Education/Training Program1750220158
  3. Jeffrey AlookaranHospitalist Physician1457930224
  4. Ugur Ayar, MDStudent in an Organized Health Care Education/Training Program1356282271
  5. Sherien Bain, MDStudent in an Organized Health Care Education/Training Program1487457958
  6. Justin Banjany, DOStudent in an Organized Health Care Education/Training Program1609717610

Verify Tanya L. Duncan-Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license AA730    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Baycare Medical Group, Inc.Clearwater, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tanya L. Duncan-Williams among 969 anesthesiologist assistant records in Florida

Tanya L. Duncan-Williams, AA-C is one of 969 anesthesiologist assistant records with a practice address in Florida. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, over 99% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 86% of these records are
  • Graduated2022 · median 2020 among the 838 with a school on file
  • Record last updated2026 · 31% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367H00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiologist Assistant providers in Florida

There are 969 anesthesiologist assistant records in Florida.

All 969 in Florida → Every provider in Riverview → Anesthesiologist Assistant nationwide →

The 8 anesthesiologist assistant records with the nearest ZIP codes

  1. Allison Matis, AARiverview, FL 335781427208487
  2. Nathan Paluch, AARiverview, FL 335781164084273
  3. Pamela Gill, CRNAApollo, FL 335721144273525
  4. Omar Aqqad, AAThonotosassa, FL 335921770291288
  5. Alejandro Alvarez, CAALutz, FL 335581962124875
  6. Jeysi AlvarezLutz, FL 335581871119008
  7. Lennis Bejarano, CAALutz, FL 335581255013629
  8. Hunter Heinlein, CAALutz, FL 335581861112559

Common questions

What is Tanya L. Duncan-Williams, AA-C's NPI number?

Tanya L. Duncan-Williams, AA-C's National Provider Identifier (NPI) is 1336133271, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Tanya L. Duncan-Williams, AA-C located?

The NPPES record lists a practice address at 6901 Simmons Loop, Riverview, FL, 33578. Phone: (813) 870-4015. Providers update this record themselves, so call before visiting.

How can I verify Tanya L. Duncan-Williams, AA-C's license?

NPPES lists Florida license number AA730, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.