WILLIAM ANTHONY FIELDS M.D.
NPI 1396003307
Emergency Medicine in Tampa, FL

Q: What is William Fields's NPI number?

The NPI number for William Fields is 1396003307. It was assigned to this individual provider in the NPPES registry on April 26, 2012.

Q: What is William Fields's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for William Fields was last updated on July 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 26, 2012PECOS EnrolledAccepts Medicare Assignment

3100 E FLETCHER AVE, TAMPA, FL 33613(813) 971-6000 Get Directions Write a Review

NPPES record last updated: July 10, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About William Anthony Fields M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM ANTHONY FIELDS M.D. (NPI 1396003307) is an individual emergency medicine provider in Tampa, Florida, licensed in Florida (ME122379) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Sebring, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1396003307

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameWILLIAM ANTHONY FIELDSCredential: M.D.

Location Address3100 E FLETCHER AVETampa, FL 33613-4613

Mailing Address12479 Telecom DrTemple Terrace, FL 33637-0913 · (813) 972-4199 · Fax (813) 972-5753

Phone(813) 971-6000

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateApril 26, 2012

Last NPPES UpdateJuly 10, 2015

✔ NPI 1396003307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in FL · ME122379✔ Licensed in PA · MT201108

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

3100 E FLETCHER AVE, Tampa, FL 33613

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Anthony Fields M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274846951

PECOS Enrollment IDI20150723009616

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show William Fields reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tampa Bay Emergency Physicians-Heartland LLC

66 mi

Emergency Medicine

4200 SUN N LAKE BLVD
Sebring, FL 33872

Reassigned Medicare billing, Florida enrollment
318 clinicians in this Medicare group

NPI 1043661408 (330) 493-4443

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

268 services250 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

212 services209 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

77 services76 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

70 services69 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

16 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventhealth Sebring

Acute Care Hospitals · Sebring, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100109

Location4200 Sun N Lake BlvdSebring, FL 33872 · Highlands County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33613 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$87.62 typical visit price

range $56.00 – $171.84

Typical copayment $21.90 (range $14.00 – $42.96)

Most-billed visit code 99203

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier11 claims11 services$19.38 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELEANOR INNOCENT DPT

Physical Therapist