Summary

Dr. Lonzer graduated from the Pennsylvania State University College of Medicine,Pennsylvania State University College of Medicine in 1989. She works in Cleveland, OH and specializes in Pediatrics. Dr. Lonzer is affiliated with Cleveland Clinic.

Quick Facts

  • 3.4
  • 37 years of experience
  • 4 insurance plans accepted
  • Cleveland Clinic Foundation
  • 1 written review
  • 1 specialty
  • 11 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Female

Office Location

Cleveland Clinic

9500 Euclid AveCleveland, OH 44195

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Dr. Mary Deborah A Lonzer, MD
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Dr. Mary Deborah A Lonzer, MDDr. Alanna Janine AlbanoDr. Marisa Dias Mendes, MDDr. Fredy David Valero Hernandez SR.
PediatricsPediatricsPediatricsPediatrics
Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
37 Years of Experience 17 Years of Experience 13 Years of Experience 9 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks Polish, Spanish Speaks English, Spanish
Cleveland , OHFranklin , TNFranklin , TNFranklin , TN
Med School: Pennsylvania State University College Of Medicine Med School: Lake Erie College of Osteopathic Medicine - Bradenton, FL campus Med School: New Jersey Medical School Med School: Pontificia Universidad Javeriana - Bogota, Colombia
Current Profile
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Insurance Plans Accepted by Dr. Mary Deborah A Lonzer

  • Aetna
  • Blue Cross Blue Shield
  • Humana - Medicaid
  • Humana - Medicaid (Managed)

Medical Specialties

Dr. Mary Deborah A Lonzer has the following specialty

Specialty Expertise

Dr. Mary Deborah A Lonzer has the following 11 areas of expertise

  • Adolescent Medicine
  • Asthma
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Breastfeeding Problems
  • Check-up
  • Child Development
  • Immunization
  • Newborn Medicine (Neonatology)
  • Pediatric Diabetes
  • Physical
  • Vaccination

Certifications, License, & Education

37 Years Experience

Dr. Mary Deborah A Lonzer holds an expired medical license in the state of Ohio.

Medical License

Medical Doctor with an expired medical license in the state of Ohio that expired in 2026.

Education & Training

Residency

Completed their residency at Cleveland Clinic Foundation.

Medical School

Graduated from Pennsylvania State University College Of Medicine in 1990 and PENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE in 1989.

NPI Number

Dr. Lonzer's NPI number is 1538260369.

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Frequently Asked Questions

Where is Dr. Mary Lonzer's office located?
Dr. Mary Lonzer's office is located at 9500 Euclid Ave, Cleveland, OH, 44195.
Which hospitals is Dr. Mary Lonzer affiliated with?
Dr. Mary Lonzer is affiliated with Cleveland Clinic.
Does Dr. Mary Lonzer accept my insurance?
You can see the insurance plans that Dr. Mary Lonzer accepts on their Vitals profile.
Does Dr. Mary Lonzer accept virtual/telehealth appointments?
Dr. Mary Lonzer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Mary Lonzer accepting new patients?
Dr. Mary Lonzer has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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