Dr. William Anthony Fields, MD

  • Sebring, FL
  • Emergency medicine physician
NPI1396003307PAC ID3274846951
Medicare services, 2024
643
Medicare patients, 2024
445
Part D claims, 2024
197
Publications
1
MIPS score, 2024
95
Practice address
4200 Sun N Lake Blvd, Sebring, FL 33872
Practice phone
Call (863) 314-4466
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

AdventHealth Sebring

Hospital · Sebring, Florida

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Dr. William Anthony Fields is an emergency medicine physician in Sebring, Florida

Dr. Fields practices at AdventHealth Sebring in Sebring, Florida, part of AdventHealth.

Dr. Fields' NPI, 1396003307, was assigned on April 26, 2012. Dr. Fields graduated from Florida State University College Of Medicine in 2012. Dr. Fields holds Florida license ME122379.

NPI and contact details
Medicare PAC ID
3274846951
NPI enumeration date
April 26, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(863) 314-4466
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William Anthony Fields practices at AdventHealth Sebring in Sebring, Florida

Dr. Fields' primary practice is AdventHealth Sebring, at 4200 Sun N Lake Blvd, Sebring, FL 33872 in Highlands County. The practice phone is (863) 314-4466.

  • AdventHealth Sebring
    4200 Sun N Lake Blvd, Sebring, FL 33872 · Highlands CountyPhone(863) 314-4466

Source: Dmand AI Affiliation Data

Dr. William Anthony Fields is affiliated with 2 sites of care and 1 medical group

Dr. Fields' primary practice is AdventHealth Sebring in Sebring, Florida, part of AdventHealth. Dr. Fields is also affiliated with AdventHealth Tampa. The medical group on file is Emergency Medicine Physicians.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William Anthony Fields' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fields practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
AdventHealth SebringAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. William Anthony Fields is one of 3,847 emergency medicine physicians in Florida

Emergency medicine is Dr. Fields' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Fields is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Fields' licenses on file in 4 states: Florida, Ohio, Pennsylvania and Maryland.

Specialties and state licenses

  • Emergency medicine, FloridaPrimaryLicense ME122379 · 2014 to 2027 · taxonomy 207P00000X
  • Ohio license2016 to 2021
  • Pennsylvania licenseLicense MT201108 · 2012 to 2021
  • Maryland license2017 to 2018

Emergency medicine physicians near Dr. Fields

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William Anthony Fields billed Medicare for 643 services in 2024

CMS data shows 643 Medicare services from Dr. Fields across 5 procedure codes in 2024, for 445 Medicare patients. Medicare paid $52,024 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024643
Medicare patients445
Paid by Medicare$52,024
Procedure codes5

Dr. Fields' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4402024: 37515%
Tests and treatments
2023: 3082024: 26813%

Dr. Fields compared with the Florida median for emergency medicine physicians, 2024

  • Dr. Fields
  • Florida median
Medicare services
643vs 3082.1 times
Medicare patients
445vs 27761% above
Part D claims
86vs 84Close to median

Medians across 3,699 emergency medicine physicians in Florida with Dmand AI profiles that report each measure.

Dr. Fields' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Fields

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William Anthony Fields treated 445 Medicare patients in 2024, average age 75

CMS counts 445 Medicare patients who saw Dr. Fields in 2024. The largest group is 75 to 84, with 168 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.14, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Fields' median patient age at 49, with 59% women.

Medicare patients, 2024445
Average age75
Average risk score2.14
Also on Medicaid22%

Dr. Fields' Medicare patients by age, 2024

Dr. Fields' Medicare patients by sex, 2024

  • Women25958%
  • Men18642%

Chronic conditions among Dr. Fields' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis61%
  4. Ischemic heart disease58%
  5. Diabetes52%
  6. Chronic kidney disease48%
  7. Heart failure48%
  8. Mood disorders43%

Share of Medicare patients with each condition. A patient can have several.

Dr. Fields' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William Anthony Fields wrote 197 Medicare Part D claims in 2024

In 2024, Dr. Fields wrote 197 Medicare Part D claims for 165 patients. 91% of them were for generic drugs. CMS names the drug for 86 of them, across 4 drugs with 11 or more claims each, at $662 in total drug cost. In 2023, CMS named 169 claims across 8 drugs.

Part D claims, 2024197
Drugs named by CMS4
Total drug cost$662
Part D patients165

Dr. Fields' Part D claims by kind of drug, 2024

  • Generic179 claims91%
  • Brand-name18 claims9%

Dr. Fields' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Fields' Part D claims, 2024

  • Antibiotics49%96 of 197 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1692024: 8649%

Drugs named by CMS: 4 in 2024, 8 in 2023.

See all prescribing by Dr. Fields

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. William Anthony Fields scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Fields for performance year 2024, reported as part of a group. Dr. Fields accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Fields' MIPS scores, performance year 2024

  • 95of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. William Anthony Fields has 1 publication on record

Dmand AI links 1 paper to Dr. Fields in 2015. Dr. Fields' most frequent co-author is Robert Michael Stuntz, MD.

Papers1

Dr. Fields' most frequent co-authors

Recent publications by Dr. Fields

See all 1 publications and co-authors

See who Dr. Fields researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fields works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William Anthony Fields received $346 in industry payments from 2017 to 2024

CMS Open Payments shows 5 general payments to Dr. Fields from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $142.

General payments to Dr. Fields by program year, 2017 to 2024

Companies that paid Dr. Fields the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Fields

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William Anthony Fields graduated from Florida State University College Of Medicine

Dr. Fields graduated from Florida State University College Of Medicine in 2012.

  1. Medical schoolFlorida State University College Of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. William Anthony Fields accepts plans from 7 insurance carriers

Dr. Fields is in network with 7 carriers, including Excellus BlueCross BlueShield, United Healthcare and CMS Medicare. Medicaid plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • United Healthcare
  • CMS Medicare
  • DE State Medicaid
  • GA State Medicaid
  • KY State Medicaid
  • RI State Medicaid

Plan types Dr. Fields accepts, by number of carriers

  1. Medicaid4
  2. Medicare3
  3. HMO2
  4. POS2
  5. EPO1
  6. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. William Anthony Fields's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William Anthony Fields

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William Anthony Fields' NPI number?

Dr. William Anthony Fields' NPI number is 1396003307. It was assigned on April 26, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. William Anthony Fields?

Dr. William Anthony Fields is an emergency medicine physician in Sebring, Florida. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. William Anthony Fields practice?

Dr. Fields practices at 4200 Sun N Lake Blvd, Sebring, FL 33872. Dr. Fields' primary practice is AdventHealth Sebring in Sebring, Florida, part of AdventHealth.

What is Dr. William Anthony Fields' office phone number?

The practice phone on file for Dr. Fields is (863) 314-4466.

What is Dr. William Anthony Fields' medical license number?

Dr. Fields holds Florida license ME122379, one of the licenses on file in 4 states.

Which states has Dr. William Anthony Fields been licensed in?

Dmand AI has state licenses on file for Dr. Fields in Florida (2014 to 2027), Ohio (2016 to 2021), Pennsylvania (2012 to 2021) and Maryland (2017 to 2018).

Which hospitals is Dr. William Anthony Fields affiliated with?

Dr. Fields practices at AdventHealth Sebring in Sebring, Florida. Dr. Fields is also affiliated with AdventHealth Tampa.

What medical group is Dr. William Anthony Fields part of?

Dr. Fields is linked to Emergency Medicine Physicians.

Does Dr. William Anthony Fields accept Medicare?

Yes. CMS data shows Dr. Fields billed Medicare for 643 services in 2024, and Dr. Fields accepts Medicare assignment.

What is Dr. William Anthony Fields' MIPS score?

Dr. Fields' MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. William Anthony Fields see?

CMS counts 445 Medicare patients who saw Dr. Fields in 2024, with an average age of 75.

Is Dr. William Anthony Fields board certified?

Yes. Dr. Fields is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. William Anthony Fields bill to Medicare?

In 2024, Dr. Fields' most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and critical care (99291).

Where did Dr. William Anthony Fields go to medical school?

Dr. Fields graduated from Florida State University College Of Medicine in 2012.

What drugs does Dr. William Anthony Fields prescribe most?

In 2024 Medicare Part D data, Dr. Fields' most prescribed drugs by claims were Prednisone, Cephalexin and Doxycycline Hyclate.

Has Dr. William Anthony Fields received payments from drug or device companies?

CMS Open Payments shows $346 in general payments to Dr. Fields from 4 companies from 2017 to 2024. The largest total came from Inari Medical, Inc.

How long has Dr. William Anthony Fields been practicing?

Dr. Fields graduated from medical school in 2012, 14 years ago.

Does Dr. William Anthony Fields do research?

Dmand AI links 1 publication to Dr. Fields.

Who does Dr. William Anthony Fields publish with?

Dr. Fields' most frequent co-authors are Robert Michael Stuntz, MD (1 shared paper).

What insurance does Dr. William Anthony Fields accept?

Dr. Fields is in network with 7 carriers, including Excellus BlueCross BlueShield, United Healthcare and CMS Medicare. Medicaid plans come from the most carriers, 4. Check the plan with the practice before a visit.

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