Summary

Dr. David Mazer is an internal medicine physician who specializes in hospital medicine, bringing three decades of experience to patient care. He earned his medical degree from Case Western Reserve University School of Medicine and completed his residency training at Orlando Regional Healthcare System. Dr. Mazer provides care in English for his patients.

Dr. Mazer practices at multiple AdventHealth locations throughout the Orlando area, including facilities in Altamonte Springs, Winter Park, and East Orlando, along with Orlando Regional Medical Center and Patient Rehabilitation. His dual specialization allows him to provide comprehensive internal medicine care while focusing on the complex needs of hospitalized patients. With his extensive background, he brings valuable expertise to managing various medical conditions in both outpatient and inpatient settings.

Overview based on verified provider data

Quick Facts

  • 2.6
  • 30 years of experience
  • 3 insurance plans accepted
  • speaks English
  • Orlando Regional Healthcare System
  • 2 written reviews
  • 2 specialties
  • 5 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 4 office locations
  • Male

Office Locations

Dr. David Keith Mazer has 4 locations

Adventhealth Altamonte Springs

601 E Altamonte DrAltamonte Springs, FL 32701

Adventhealth Winter Park

200 N Lakemont AveWinter Park, FL 32792

Adventhealth East Orlando

7727 Lake Underhill RdOrlando, FL 32822

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Dr. David Keith Mazer, MD
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Dr. David Keith Mazer, MDDr. Ahmet Ergin, MDDr. Hannah Moshkovski, MDEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
2.6 
4.5 
30 Years of Experience 6 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Turkish Speaks English Speaks English
Altamonte Springs , FLPort Saint Lucie , FLHallandale Beach , FLLyons , CO
Med School: Case Western Reserve University School Of Medicine Med School: Marmara University School of Medicine Med School: Wright State University Med School: Duke University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. David Keith Mazer

  • America's 1st Choice
  • Florida Blue: Blue Cross Blue Shield of Florida
  • Humana - Medicare (Advantage HMO)

Medical Specialties

Dr. David Keith Mazer has the following 2 specialties

Specialty Expertise

Dr. David Keith Mazer has the following 5 areas of expertise

  • Chest Pain
  • Gastrointestinal Bleeding
  • Hospital Medicine
  • Meningitis
  • Pneumonia

Certifications, License, & Education

30 Years Experience

Dr. David Keith Mazer 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 Orlando Regional Healthcare System.

Medical School

Graduated from Case Western Reserve University School Of Medicine in 1996.

NPI Number

Dr. Mazer's NPI number is 1033195870.

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Frequently Asked Questions

Which hospitals is Dr. David Keith Mazer affiliated with?
Dr. David Keith Mazer is affiliated with Orlando Regional Medical Center And Patient Rehabilitation.
How can I make an appointment with Dr. David Keith Mazer?
You can find contact information for Dr. David Keith Mazer here on Vitals.
Does Dr. David Keith Mazer accept my insurance?
You can see the insurance plans that Dr. David Keith Mazer accepts on their Vitals profile.
Does Dr. David Keith Mazer accept virtual/telehealth appointments?
Dr. David Keith Mazer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. David Keith Mazer's office located?
Dr. David Keith Mazer's office is located at 601 E Altamonte Dr, Altamonte Springs, FL, 32701.

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