Doctor profile · Federal record

Dr. William Fields, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Tampa, FL

  • NPI 1396003307
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3100 E Fletcher Ave
Tampa, FL 336134613
(813) 971-6000
Mailing address
12479 Telecom Dr
Temple Terrace, FL 336370913

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
July 10, 2015
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Florida #ME122379 · Pennsylvania #MT201108

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396003307. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
748
Distinct HCPCS
5
Medicare allowed
$73,118
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 308 281 $8
99285 Emergency department visit with high level of medical decision making 220 217 $179
99284 Emergency department visit with moderate level of medical decision making 126 119 $120
99291 Critical care, first 30-74 minutes 68 67 $211
99283 Emergency department visit with low level of medical decision making 26 26 $73

In context: peer comparison

Among 101 peers in this city , average services per provider: 90. This provider delivers 8.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Inari Medical, Inc. 1 $99.19

By nature of payment

Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
169
Patients
169
Total drug cost
$1,733
Drug Type Claims Patients Total cost
Prednisone Generic 30 30 $61
Ciprofloxacin Hcl Generic 29 29 $275
Cephalexin Generic 27 27 $325
Doxycycline Hyclate Generic 26 26 $433
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 16 16 $234
Ondansetron Odt (Ondansetron) Brand 15 15 $131
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 15 15 $147
Metronidazole Generic 11 11 $126

Frequently asked questions

Auto-generated from federal data
What is Dr. William Fields's medical specialty?
Dr. William Fields practices Emergency Medicine Physician in Tampa, FL.
Where does Dr. William Fields practice?
Dr. William Fields practices at 3100 E Fletcher Ave, Tampa, FL 336134613. Office phone: 8139716000.
What is Dr. William Fields's NPI?
Dr. William Fields's National Provider Identifier (NPI) is 1396003307, issued by NPPES.
Does Dr. William Fields accept Medicare assignment?
Yes. Dr. William Fields accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Fields commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.