William Chase Madsen, DO
Emergency Medicine Physician · Richfield, UT
William Chase Madsen, DO is an emergency medicine physician with a practice address in Richfield, Utah, and NPI 1013545433, issued on Mar 31, 2020. Check the license (Utah 14250379-1204, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- William Chase Madsen
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 14250379-1204 UT
DO3341 NV
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Main St Ste A, Richfield, UT 84701
- Phone
- (435) 893-0580
- Enumerated
- Mar 31, 2020
- Record last updated
- Nov 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20251106003506); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2020
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 501 in Utah → Look up another NPI →
Also registered at 1000 N Main St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justin Abbott, D.O.Family Medicine Physician1184814436
- Justin Archibald, PA-CMedical Physician Assistant1841740958
- Seth Bohman, MDEmergency Medicine Physician1588313894
- Britney Bunot, D.O.Obstetrics & Gynecology Physician1821423609
- Tabitha Campbell, PSY.D.Clinical Psychologist1770283202
- Sadie Dahlsrud, CNMHigh-Risk Obstetric Registered Nurse1497040356
Verify William Chase Madsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 14250379-1204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average emergency medicine physician in 2024
39 Medicare Part D claims for 25 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 2 group practices
- Ihc Health Services IncRichfield, UT
- University Medical Center OF Southern NevadaLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Chase Madsen among 501 emergency medicine physician records in Utah
William Chase Madsen, DO is one of 501 emergency medicine physician records with a practice address in Utah. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2020 · median 2011 among the 344 with a school on file
- Record last updated2025 · 58% 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 Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Utah
There are 501 emergency medicine physician records in Utah.
All 501 in Utah → Every provider in Richfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Seth Bohman, MDRichfield, UT 847011588313894
- Jeffery Gardner, M.D.Cedar City, UT 847201447285903
- Darrell Wilson, MDCedar City, UT 847201922160530
- Nicholas Allan, MDCedar City, UT 847211962606012
- Brett Baumgartner, DOCedar City, UT 847211962816561
- Nathan Kartchner, M.D.Cedar City, UT 847211215340146
- Tanner Miles, M.D.Cedar City, UT 847211265963680
- Dane Chapman, M.D.Spring City, UT 846621578506291
Common questions
What is William Chase Madsen, DO's NPI number?
William Chase Madsen, DO's National Provider Identifier (NPI) is 1013545433, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William Chase Madsen, DO located?
The NPPES record lists a practice address at 1000 N Main St Ste A, Richfield, UT, 84701. Phone: (435) 893-0580. Providers update this record themselves, so call before visiting.
How can I verify William Chase Madsen, DO's license?
NPPES lists Utah license number 14250379-1204, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Chase Madsen, DO prescribe under Medicare Part D?
In 2024, William Chase Madsen, DO had 39 Medicare Part D claims for 25 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.