Browse Health
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. John Isler is Average. Dr. Isler has been reviewed by 8 patients who have provided 2 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 5.0
Courteous Staff 3.7
Accurate Diagnosis 2.0
Bedside Manner 2.0
Spends Time with Me 2.0
Follows Up After Visit 2.0

Specialties & Research

Dr. John Isler, MD is board certified in Ophthalmology.

  • He has special expertise in 2 areas:
  • Corneal Diseases
  • Lens Implants (Intraocular Lens Implantation)

Education & Awards

Dr. Isler graduated from New York Medical College, Valhalla.


Dr. Isler has 10 hospital affiliations:

  • Florida Hospital Orlando 
  • Florida Hospital 


  • Spanish
  • Greek

Similar doctors nearby

Dr. Thomas Steedle

36 years experience
Altamonte Springs, FL

Dr. Robert Feldman

31 years experience
Altamonte Springs, FL

Dr. Peter Gruenberg

35 years experience
Altamonte Springs, FL

Dr. Harry Pappas

33 years experience
Altamonte Springs, FL

Dr. Jose Vazquez

19 years experience
Altamonte Springs, FL

Dr. Naazli Shaikh

15 years experience
Altamonte Springs, FL
Search All Similar Doctors
Additional Information
Dr. John Liberto Isler MD is a male Ophthalmologist, has 38 years of experience and practices in Ophthalmology.
Where does Dr. John L. Isler practice?
Dr. John Isler has 1 office location.
Dr. John Isler practices Ophthalmology near Altamonte Springs, FL.
See Altamonte Springs Ophthalmologists.