William Anthony Fields, M.D.
Emergency Medicine Physician · Tampa, FL
William Anthony Fields, M.D. is an emergency medicine physician with a practice address in Tampa, Florida, and NPI 1396003307, issued on Apr 26, 2012. Check the license (Florida ME122379, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William Anthony Fields
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- ME122379 FL
MT201108 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3100 E Fletcher Ave, Tampa, FL 33613
- Phone
- (813) 971-6000
- Enumerated
- Apr 26, 2012
- Record last updated
- Jul 10, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150723009616); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,034 in Florida → Look up another NPI →
Also registered at 3100 E Fletcher Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mutaz Bellah AbudreaStudent in an Organized Health Care Education/Training Program1992559165
- Oleksandr Adzhymuratov, MDStudent in an Organized Health Care Education/Training Program1144161506
- Elliott Aguayo, M.D.Emergency Medicine Physician1942438940
- Caitlin AhernCertified Registered Nurse Anesthetist1457996852
- Sarah Aitchison, APRN-CPrimary Care Nurse Practitioner1912545666
Verify William Anthony Fields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME122379Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average emergency medicine physician in 2024
197 Medicare Part D claims for 165 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Prednisone30 claims
- Cephalexin21 claims
- Doxycycline Hyclate21 claims
- Nitrofurantoin Mono-Macro14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $99.19
1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tampa Bay Emergency Physicians-Heartland LLCSebring, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Anthony Fields among 4,034 emergency medicine physician records in Florida
William Anthony Fields, M.D. is one of 4,034 emergency medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 57% of them.
- NPI issued2012 · 57% of these records are older, 39% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2012 · median 2013 among the 2,199 with a school on file
- Record last updated2015 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
279 emergency medicine physician records list a practice address in Tampa
They are 279 of the 26,440 NPPES records with a practice address in Tampa, and 4,034 emergency medicine physician records in Florida.
All 4,034 in Florida → Every provider in Tampa → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Masood Ansari, MDTampa, FL 336131053364315
- Simon Edginton, MDTampa, FL 336131700839206
- John Favata Jr, MDTampa, FL 336131144273343
- Tatia Grant Levy, DOTampa, FL 336131215923511
- Maureen Hirthler, MDTampa, FL 336131710939467
- Christine Lancaster, MDTampa, FL 336131477505600
- Steven Lay, MDTampa, FL 336131720031032
- Paul Perry, MDTampa, FL 336131205881752
Common questions
What is William Anthony Fields, M.D.'s NPI number?
William Anthony Fields, M.D.'s National Provider Identifier (NPI) is 1396003307, issued on Apr 26, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William Anthony Fields, M.D. located?
The NPPES record lists a practice address at 3100 E Fletcher Ave, Tampa, FL, 33613. Phone: (813) 971-6000. Providers update this record themselves, so call before visiting.
How can I verify William Anthony Fields, M.D.'s license?
NPPES lists Florida license number ME122379, 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.
How much does William Anthony Fields, M.D. prescribe under Medicare Part D?
In 2024, William Anthony Fields, M.D. had 197 Medicare Part D claims for 165 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.
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.