4.9
18 Ratings with 7 written Reviews
Summary
Dr. John Casler brings over four decades of specialized expertise in otolaryngology-head and neck surgery and neurological surgery. They earned their medical degree from George Washington University School of Medicine & Health Sciences, establishing a strong foundation for their dual-specialty practice that combines intricate knowledge of both the head and neck region and complex neurological procedures.
Dr. Casler practices at Mayo Clinic Jacksonville in Jacksonville, Florida, where they focus on treating conditions such as parathyroid disease, hyperparathyroidism, and thyroid nodules. Their surgical expertise includes performing comprehensive diagnostic evaluations and specialized procedures to address these complex endocrine and head-neck disorders. Patients consistently rate Dr. Casler highly for their care, with an average rating of 4.9 out of 5 stars.
Dr. Casler practices at Mayo Clinic Jacksonville in Jacksonville, Florida, where they focus on treating conditions such as parathyroid disease, hyperparathyroidism, and thyroid nodules. Their surgical expertise includes performing comprehensive diagnostic evaluations and specialized procedures to address these complex endocrine and head-neck disorders. Patients consistently rate Dr. Casler highly for their care, with an average rating of 4.9 out of 5 stars.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 43 years of experience
- George Washington University School Of Medicine & Health Sciences
- 7 written reviews
- 2 specialties
- 11 areas of expertise
- 1 hospital affiliation
- 1 office location
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Compare with Similar Doctors
 |  | |  |
| Dr. John D. Casler, MD | Dr. Shari Lynn Buzolich, MD | Dr. Erin Rae Spadaro Hamersley, DO | Dr. Cheslovas Rothschild, MD |
| Otolaryngology-Head & Neck Surgery | Family Medicine | Otolaryngology-Head & Neck Surgery | Neurological Surgery |
| Accepts New Patients | |||
| 43 Years of Experience | 22 Years of Experience | 15 Years of Experience | 43 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Polish | |||
| Jacksonville , FL | Jacksonville , FL | Jacksonville , FL | Orange Park , FL |
| Med School: George Washington University School Of Medicine & Health Sciences | Med School: University Of Missouri-Kansas City School Of Medicine | Med School: Edward Via Virginia College Of Osteopathic Medicine | Med School: Lithuanian University Of Health Sciences Faculty Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John D. Casler
Medical Specialties
Dr. John D. Casler has the following 2 specialties
Specialty Expertise
Dr. John D. Casler has the following 11 areas of expertise
Certifications, License, & Education
43 Years Experience
Dr. John D. Casler holds an expired medical license in the state of Florida.
Medical License
Medical Doctor with an expired medical license in the state of Florida that expired in 2026.
Education & Training
Medical School
Graduated from George Washington University School Of Medicine & Health Sciences in 1983.
NPI Number
Dr. Casler's NPI number is 1730183096.
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Frequently Asked Questions
- Does Dr. John Casler accept virtual/telehealth appointments?
- Dr. John Casler has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. John Casler's office located?
- Dr. John Casler's office is located at 4500 San Pablo Rd S, Jacksonville, FL, 32224.
- How can I make an appointment with Dr. John Casler?
- You can find contact information for Dr. John Casler here on Vitals.
- Which hospitals is Dr. John Casler affiliated with?
- Dr. John Casler is affiliated with Mayo Clinic Jacksonville.
- Does Dr. John Casler accept my insurance?
- You can see the insurance plans that Dr. John Casler accepts on their Vitals profile.
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