William L. Irwin, MD
Emergency Medicine Physician · Cutler, IN
William L. Irwin, MD is an emergency medicine physician with a practice address in Cutler, Indiana, and NPI 1477578664, issued on Jul 12, 2006. Check the license (Indiana 01036166A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- William L. Irwin
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 01036166A IN
Self-reported in NPPES; status is on the state search - Practice location
- 5283 S 225 E, Cutler, IN 46920
- Phone
- (317) 501-4637
- Enumerated
- Jul 12, 2006
- Record last updated
- Aug 28, 2023
- Medicare enrollment
- Enrolled (PECOS I20040915000819); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,293 in Indiana → Look up another NPI →
Verify William L. Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01036166ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average emergency medicine physician in 2024
303 Medicare Part D claims for 212 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen31 claims
- Amoxicillin-Clavulanate Potass28 claims
- Methylprednisolone21 claims
- Ciprofloxacin Hcl17 claims
- Cephalexin16 claims
- Levofloxacin15 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.
Bills Medicare through 2 group practices
- Concord Company OF Tennessee PLLCRochester, IN
- Emergency Professionals OF Indiana PCLoganport, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William L. Irwin among 1,293 emergency medicine physician records in Indiana
William L. Irwin, MD is one of 1,293 emergency medicine physician records with a practice address in Indiana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2012 among the 814 with a school on file
- Record last updated2023 · 54% 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 Indiana 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 Indiana
There are 1,293 emergency medicine physician records in Indiana.
All 1,293 in Indiana → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Steven Poe, DOMarion, IN 469331720060957
- Lynn Coy, DOKokomo, IN 469021063529022
- Stuart Devaul, MDKokomo, IN 469021255414843
- Natalie Emert, M.D.Kokomo, IN 469021336172402
- Paula Wilham, MDKokomo, IN 469021255357059
- Jacob Bledsoe, DOKokomo, IN 469011891360830
- Sukhdev Dhindsa, MDKokomo, IN 469011174533301
- Tai Duong, DOKokomo, IN 469011528022563
Common questions
What is William L. Irwin, MD's NPI number?
William L. Irwin, MD's National Provider Identifier (NPI) is 1477578664, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William L. Irwin, MD located?
The NPPES record lists a practice address at 5283 S 225 E, Cutler, IN, 46920. Phone: (317) 501-4637. Providers update this record themselves, so call before visiting.
How can I verify William L. Irwin, MD's license?
NPPES lists Indiana license number 01036166A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William L. Irwin, MD prescribe under Medicare Part D?
In 2024, William L. Irwin, MD had 303 Medicare Part D claims for 212 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.