Summary

Celebrated for his groundbreaking results as a cosmetic and reconstructive surgeon, Dr. Leo Keegan co-founded 5th Avenue Millennium Aesthetic Surgery in 1997. Though Dr. Keegan has extensive experience with a wide variety of cosmetic and reconstructive techniques, he is particularly renowned for his work in endoscopic plastic surgery, breast reconstruction, body contour surgery, and facial plastic surgery. During his 15 years as a practicing surgeon, Dr. Keegan has developed a loyal following of patients who admire his flexibility and commitment to patient education, as well as his incomparable surgical results.

Dr. Keegan%u2019s breadth and depth of training is unsurpassed among plastic surgeons. After earning his medical degree at Mount Sinai School of Medicine, Dr. Keegan completed eight years of post-doctoral work in general surgery, plastic surgery, and microsurgery before entering private practice. Like Dr. Vickery, Dr. Keegan is among a select group of doctors who are board-certified in both general surgery and plastic surgery, in addition to earning a specialization in microsurgery.

Fifteen years after completing his post-doctoral work, Dr. Keegan remains at the forefront of new developments in cosmetic and reconstructive surgery. Along with Dr. Vickery, he is part of New York%u2019s longest-tenured microsurgical team, and his experience and flexibility allow him to create outstanding customizations for his patients. Dr. Keegan has made substantial contributions to dozens of medical research studies during his career, and he maintains an academic appointment as an Assistant Clinical Professor of Plastic Surgery at Mount Sinai School of Medicine in New York City.

Throughout his career, Dr. Keegan has maintained a keen interest in medical missions. He has volunteered with medical students in Honduras, and served as Medical Director for the Avon Walk for Breast Cancer.
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Quick Facts

  • accepting new patients
  • 4.7
  • 40 years of experience
  • speaks English, Spanish
  • Li Jewish Medical Center
  • 41 written reviews
  • 2 specialties
  • 7 areas of expertise
  • 3 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Leo Martin Keegan has 4 locations

Fifth Avenue Millenium Aesthetic Surgery

1125 5th AveNew York, NY 10128
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

The Mount Sinai Hospital

1468 Madison AveNew York, NY 10029

The Mount Sinai Hospital

1 Gustave L Levy PlNew York, NY 10029

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Dr. Leo Martin Keegan JR., MD
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Dr. Leo Martin Keegan JR., MDAdam Schaffner MD, FACSDr. Jeffrey Lawrence Lisiecki, MDDr. Charles Kenneth Herman, MD
Plastic SurgeryPlastic SurgeryPlastic SurgeryPlastic Surgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
4.7 
4.6 
40 Years of Experience 28 Years of Experience 11 Years of Experience 26 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English, Spanish
New York , NYNew York , NYNew York , NYBlue Bell , PA
Med School: Icahn School Of Medicine At Mount Sinai Med School: Rush Medical College Of Rush University Medical Center Med School: University of Michigan Medical School Med School: Albany Medical College
Current Profile
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Insurance Plans Accepted by Dr. Leo Martin Keegan

  • Accepts Medicare

Medical Specialties

Dr. Leo Martin Keegan has the following 2 specialties

Specialty Expertise

Dr. Leo Martin Keegan has the following 7 areas of expertise

  • Cosmetic Surgery
  • Dermabrasion
  • Hair Restoration
  • Laser Resurfacing
  • Reconstructive Surgery
  • Skin Cancer
  • Surgery

Certifications, License, & Education

40 Years Experience

Dr. Leo Martin Keegan holds an active medical license in the states of New York and New Jersey.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2027 and an active medical license in the state of New Jersey that expires in 2027.

Education & Training

Residency

Completed their residency at Li Jewish Medical Center.

Medical School

Graduated from Icahn School Of Medicine At Mount Sinai in 1986.

NPI Number

Dr. Keegan's NPI number is 1114934783.

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Frequently Asked Questions

How can I make an appointment with Dr. Leo Keegan?
You can find contact information for Dr. Leo Keegan here on Vitals.
Does Dr. Leo Keegan accept virtual/telehealth appointments?
Dr. Leo Keegan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Leo Keegan's office located?
Dr. Leo Keegan's office is located at 1125 5th Ave, New York, NY, 10128.
Which hospitals is Dr. Leo Keegan affiliated with?
Dr. Leo Keegan is affiliated with The Mount Sinai Hospital, Englewood Hospital And Medical Center, and Mount Sinai Kravis Childrens Hospital.
What languages does Dr. Leo Keegan speak?
Dr. Leo Keegan speaks English and Spanish.

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