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

Nicholas Utchan Ahn, MD

Individual provider Orthopaedic Surgery Physician · NPI 1356369482

Nicholas Utchan Ahn, MD is an Orthopedic Surgery in Louisville, Kentucky. Graduated from Harvard Medical School in 1996, 30 years ago. Practices with University of Louisville Physicians Inc, a 1,433-clinician group and accepts Medicare assignment. Licensed in Kentucky.

Years since qualifying
30
Trained at
Harvard Medical School
Licensed in
KY
In the registry since
2006
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

550 S Jackson St
Louisville, KY 40202-1622
Phone: (502) 588-4521
Fax: (502) 588-9542
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 58613 (KY)

Record details

NPI number1356369482
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESOctober 5, 2023
Certification dateOctober 5, 2023
Mailing addressPo Box 909, Louisville, KY 40201-0909

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1996 (30 years in practice)
Group practice University Of Louisville Physicians Inc — 1433 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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