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

Individual provider Emergency Medicine Physician · NPI 1548267321

Dr. Ryan P Duffey, MD is an Internal Medicine in Evansville, Indiana. Graduated from Indiana University School of Medicine in 1997, 29 years ago. Practices with St Marys Medical Group LLC, a 228-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
29
Trained at
Indiana University School of Medicine
Licensed in
IN
In the registry since
2005
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

3700 Washington Ave
Evansville, IN 47750-0001
Phone: (812) 485-7040
Fax: (812) 485-7042
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01053022A (IN)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 01053022A (IN)

Record details

NPI number1548267321
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2005
Last updated in NPPESApril 11, 2013
Mailing addressPo Box 359, Evansville, IN 47703-0359

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice St Marys Medical Group Llc — 228 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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