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

Joseph Y Ahn, MD

Individual provider Emergency Medicine Physician · NPI 1487789863

Joseph Y Ahn, MD is an Emergency Medicine in Round Lake, Illinois. Graduated from University of Michigan Medical School in 2006, 20 years ago. Practices with Emergency Medicine Services of Tx, PLLC, a 358-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
20
Trained at
University of Michigan Medical School
Licensed in
DE
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

308 W Biros Ln
Round Lake, IL 60073-5607
Phone: (734) 846-1733
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 C70003552 (DE)

Record details

NPI number1487789863
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 23, 2007
Last updated in NPPESSeptember 24, 2012
Mailing address308 W Biros Ln, Round Lake, IL 60073-5607

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2006 (20 years in practice)
Group practice Emergency Medicine Services Of Tx, Pllc — 358 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare