Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William L Irwin II, MD

Individual provider General Practice Physician · NPI 1477578664

Dr. William L Irwin II, MD is an Emergency Medicine in Cutler, Indiana. Graduated from Indiana University School of Medicine in 1986, 40 years ago. Practices with Emergency Professionals of Indiana PC, a 120-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
40
Trained at
Indiana University School of Medicine
Licensed in
IN
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5283 S 225 E
Cutler, IN 46920-9367
Phone: (317) 501-4637
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 01036166A (IN)
General Practice Physician Taxonomy 208D00000X · Licence 01036166A (IN)

Record details

NPI number1477578664
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESAugust 28, 2023
Certification dateAugust 28, 2023
Mailing address5283 S 225 E, Cutler, IN 46920-9367

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Emergency Professionals Of Indiana Pc — 120 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare