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

Individual provider Orthopaedic Surgery Physician · NPI 1154323541

Daryl Len Oconnor, MD is an Orthopedic Surgery in Elmhurst, Illinois. Graduated from Northwestern University Feinberg Medical School in 1997, 29 years ago. Practices with Orthopedic Specialists SC, a 10-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
29
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2005
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

360 W Butterfield Rd Ste 160
Elmhurst, IL 60126-5068
Phone: (630) 782-9600
Fax: (630) 782-1643
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 036-106488 (IL)

Record details

NPI number1154323541
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 15, 2005
Last updated in NPPESFebruary 10, 2010
Mailing address360 W Butterfield Rd, Suite 160, Elmhurst, IL 60126-5068

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1997 (29 years in practice)
Group practice Orthopedic Specialists Sc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Elmhurst