Summary

Dr. Leonard Mermel specializes in internal medicine and infectious disease, bringing 42 years of medical experience to his practice. He earned his medical degree from Des Moines University College of Osteopathic Medicine and completed his residency at St Louis University Hospital. His extensive background has established him as an expert in diagnosing and treating complex infectious conditions. Dr. Mermel is fluent in English.

Dr. Mermel practices at multiple locations throughout Providence, Rhode Island, including Rhode Island Hospital, The Miriam Hospital, Roger Williams Medical Center, and Women And Infants Hospital of Rhode Island. His clinical expertise focuses on managing infectious diseases, including COVID-19 care and novel coronavirus infections. He performs COVID-19 testing to help diagnose and monitor patients during the pandemic.

Overview based on verified provider data

Quick Facts

  • 42 years of experience
  • speaks English
  • St Louis University Hospital
  • 3 specialties
  • 15 areas of expertise
  • 3 board certifications
  • 4 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Leonard Mermel has 4 locations

Rhode Island Hospital

593 Eddy StProvidence, RI 02903

The Miriam Hospital

164 Summit AveProvidence, RI 02906

Roger Williams Medical Center

825 Chalkstone AveProvidence, RI 02908

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Dr. Leonard Mermel, DODr. Karen L. Garibaldi, MDDr. Austin Ritter, DODr. Lunia Collado, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
4.8 
42 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks Spanish, English
Providence , RIProvidence , RIProvidence , RIProvidence , RI
Med School: Des Moines University College Of Osteopathic Medicine Med School: University Of Connecticut School Medicine
Current Profile
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Insurance Plans Accepted by Dr. Leonard Mermel

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

Medical Specialties

Dr. Leonard Mermel has the following 3 specialties

Specialty Expertise

Dr. Leonard Mermel has the following 15 areas of expertise

  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Bacteremia
  • Fever
  • Fungemia
  • Hepatitis C
  • HIV Infections
  • Human Immunodeficiency Virus (HIV/AIDS)
  • Immunization
  • Infection
  • Infectious Disease
  • Lyme Disease
  • Other
  • Pneumonia
  • Tuberculosis
  • Vaccination

Certifications, License, & Education

42 Years Experience

MEDICAL LICENSE

Doctor Of Osteopathy, Rhode Island, 2026, Active

EDUCATION & TRAINING

Residency

St Louis University Hospital

Medical School

Des Moines University College Of Osteopathic MedicineGraduated in 1984

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Frequently Asked Questions

Is Dr. Leonard Mermel accepting new patients?
Dr. Leonard Mermel has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Leonard Mermel speak?
Dr. Leonard Mermel speaks English.
Does Dr. Leonard Mermel accept virtual/telehealth appointments?
Dr. Leonard Mermel has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Leonard Mermel accept my insurance?
You can see the insurance plans that Dr. Leonard Mermel accepts on their Vitals profile.
Where is Dr. Leonard Mermel's office located?
Dr. Leonard Mermel's office is located at 593 Eddy St, Providence, RI, 02903.

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