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

Leland C Lenahan III, MD

Individual provider Emergency Medicine Physician · NPI 1770567117

Leland C Lenahan III, MD is an Emergency Medicine in Evergreen Park, Illinois. Graduated from Louisiana State University School of Medicine in New Orleans in 1991, 35 years ago. Practices with Emergency Staffing Solutions Inc, a 58-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Louisiana.

Years since qualifying
35
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
IL, LA
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

2800 W 95th St
Evergreen Park, IL 60805-2746
Phone: (708) 422-4221
Fax: (708) 422-4415
Show map & directions

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

Additional practice locations (1)

  • 6300 Main St, Zachary, LA 70791-4037 — (225) 658-4335

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence 036106714 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence MD.021384 (LA)

Record details

NPI number1770567117
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 30, 2005
Last updated in NPPESMay 18, 2026
Certification dateMay 18, 2026

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 1991 (35 years in practice)
Group practice Emergency Staffing Solutions Inc — 58 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Evergreen Park