Leo L. Nassimbene, Physician Assistant

Leo L. Nassimbene

Physicians Assistant | Surgical Technologist

4420 Valli Vista Colorado Springs Colorado, 80915


Leo L. Nassimbene, DDS, MSD, FACD, FICD, retired from Penrose-St. Francis Hospital & Health Services in 2011, after a 60 year career as a maxillofacial and oral surgeon. A highly active physician, Dr. Nassimbene was the President to many prestigious associations including the Colorado Dental Association and is currently on the Board of Directors of the American Association of Oral and Maxillofacial Surgeons. Board certified in his field, Dr. Nassimbene also was an attending physician to the St. Thomas Memorial Hospital and authored a book on the history of oral surgeons in the state of Colorado. Earlier in his career, he served on medical mission trips and helped open a free medical clinic. Currently, Dr. Nassimbene is involved with his community; continuing his participation in community service.

Education and Training

University of Missouri

Board Certification

American Board of Oral and Maxillofacial Surgery- Oral and Maxillofacial Surgery

Provider Details

MaleEnglish 67 years of experience

Areas of expertise and specialization

Maxillofacial and Oral Surgery

Faculty Titles & Positions

  • Spoke Locally as the Past President of the Colorado Dental Association -


  • On the Cabinet of the Peak Vista Community Health Center   
  • OKNU   
  • Fellow of the International College of Dentists   
  • Fellow of the American College of Dentists   


  • (Oral and Maxillo Facial Surgery at Kansas City General Hospital

Professional Society Memberships

  • Colorado Dental Association (Past President), American Association of Oral and Maxillofacial Surgeons (Board of Directors, Acted as Secretary and Treasurer), American Dental Association (Delegate), American College of Dentists, International College of Dentist, Colorado Society of Oral and Maxillofacial Surgeons (Past President), Rocky Mountain Society of Oral Surgeons , El Paso County American C

Articles and Publications

  • Wrote a book on the History of Oral Maxillofacial and Oral Surgery in Colorado
  • Vital Tooth Transplants

What do you attribute your success to?

  • Putting Patient Care First and a Strong Positive Patient Repoire

Philanthropic Initiatives

  • Served with and helped set up a Free Medical Clinic in Colorado, 8-10 years ago. Served in the Korean War from 1953-1955. Set up a permanent free medical clinic in Haiti. Consultant for the United States Air force Academy, Consultant to the Colorado Department of Corrections, Consultant the Federal Maxim Security Prison, Consultant

Hobbies / Sports

  • Community Service, Ski Patrol, Church Involvement, Sailing, Traveling, Hiking, Biking

Favorite professional publications

  • Journal of American Association of Oral and Maxillofacial Surgeons

Hospital Affiliations

  • Renrose-St. Francis Memorial Hospital
  • St. Thomas Memorial Hospital

Leo L. Nassimbene's Practice location

4420 Valli Vista -
Colorado Springs, Colorado 80915
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New patients: 719-596-3155

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Head west on Valli Vista Road 680 ft
Turn left onto North Murray Boulevard 1645 ft
Turn right onto Constitution Avenue 2818 ft
Turn left onto North Academy Boulevard 1.2 mi
Take the ramp on the right 1707 ft
Merge left onto East Platte Avenue 1.1 mi
Make a slight right onto East Boulder Street 4829 ft
Turn right 175 ft
You have arrived at your destination, on the left



Head west on Valli Vista Road 680 ft
Turn left onto North Murray Boulevard 1645 ft
Turn right onto Constitution Avenue 3.1 mi
Turn left onto Paseo Road 3230 ft
Make a slight right onto East Fontanero Street 2342 ft
Turn right onto North Nevada Avenue 1856 ft
Turn left onto East Monroe Street 514 ft
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Head west on Valli Vista Road 680 ft
Turn left onto North Murray Boulevard 1645 ft
Turn right onto Constitution Avenue 1.5 mi
Turn left onto Circle Drive 1823 ft
Turn right onto Palmer Park Boulevard 1.4 mi
Turn right onto East Uintah Street 2.9 mi
Turn left onto North 21st Street 2936 ft
Turn right onto West Cimarron Street (US 24) 1.1 mi
Continue straight onto Midland Expressway (US 24) 17.3 mi
Turn left 375 ft
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You have arrived at your destination, straight ahead