Summary

With 40 years in internal medicine, Dr. Mason Long is affiliated with UF Health Flagler Hospital in St. Augustine, Florida. He treats hypertension, hypertensive emergency, and pediatric hypertension, and performs colorectal cancer screening. He completed his residency at Michigan State University and earned his medical degree from the University of Illinois at Chicago College of Medicine. Dr. Long speaks English and French. Patients on Vitals rate Dr. Long 4.56 out of 5.

Overview based on verified provider data

Quick Facts

  • 4.6
  • 40 years of experience
  • speaks English, French
  • Michigan State University
  • 2 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Mason Hoyt Long has 2 locations

Long Mason H Office

301 Health Park Blvd Ste 325St Augustine, FL 32086
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 12:30 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Uf Health Flagler Hospital

400 Health Park BlvdSt Augustine, FL 32086

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Dr. Mason Hoyt Long, MDDr. Adam M. Au, MD, PhD, FACOI, DODr. Ahmet Ergin, MDDayana Reveron Alvalle, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
1 
4.5 
0 
40 Years of Experience 24 Years of Experience 6 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, French Speaks English Speaks English, Turkish Speaks English, Spanish
St Augustine , FLHollywood , FLPort Saint Lucie , FLSaint Cloud , FL
Med School: University Of Illinois At Chicago College Of Medicine Med School: University of New England, College of Osteopathic Medicine Med School: Marmara University School of Medicine Med School: Ponce Health Sciences University
Current Profile
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Insurance Plans Accepted by Dr. Mason Hoyt Long

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Mason Hoyt Long has the following specialty

Specialty Expertise

Dr. Mason Hoyt Long has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

40 Years Experience

Dr. Mason Hoyt Long 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

Residency

Completed their residency at Michigan State University.

Medical School

Graduated from University Of Illinois At Chicago College Of Medicine in 1986.

NPI Number

Dr. Long's NPI number is 1790854537.

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Frequently Asked Questions

Is Dr. Mason Long accepting new patients?
Dr. Mason Long has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Mason Long accept my insurance?
You can see the insurance plans that Dr. Mason Long accepts on their Vitals profile.
What languages does Dr. Mason Long speak?
Dr. Mason Long speaks English and French.
How can I make an appointment with Dr. Mason Long?
You can find contact information for Dr. Mason Long here on Vitals.
Which hospitals is Dr. Mason Long affiliated with?
Dr. Mason Long is affiliated with Uf Health Flagler Hospital.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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