Summary

Dr. Louis Grenzer is a cardiologist and internal medicine physician who graduated from the University of Maryland School of Medicine. He completed his residency at Mercy Hospital and Medical Center, building the foundation for his impressive six decades of medical practice. His dual specialization allows him to provide comprehensive cardiovascular care while addressing the full spectrum of internal medicine needs. Dr. Grenzer speaks English with his patients.

Dr. Grenzer practices at Mercy Medical Center and Saint Joseph Medical Center, with locations in Rosedale, Baltimore, and Towson, Maryland. He focuses on treating back pain conditions, including back pain during pregnancy and in children and teens. His clinical expertise includes performing earwax removal, blood tests, and body fluid tests to help diagnose and monitor patient conditions. Patients rate Dr. Grenzer 4.4 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.4
  • 60 years of experience
  • 4 insurance plans accepted
  • speaks English
  • Mercy Hospital And Medical Center
  • 1 written review
  • 2 specialties
  • 15 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 4 office locations
  • Male

Office Locations

Dr. Louis Eberhardt Grenzer has 4 locations

Grenzer Louis A Office

8118 Philadelphia RdRosedale, MD 21237
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

Louis E Grenzer MD

5601 Loch Raven Blvd # 200 SmytBaltimore, MD 21239
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

Greater Baltimore Medical Associates Internal Medicine

6565 N Charles St Ste 203Towson, MD 21204
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Saint Joseph Medical Center

7601 Osler DrTowson, MD 21204

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Dr. Louis Eberhardt Grenzer, MDDr. Jeremy Seth Kaplowitz, MDDr. Luciana Lopes Borio, MDDr. Sanjay Virendra Desai, MD
Cardiovascular DiseaseAnesthesiologyCritical Care MedicineCritical Care Medicine
Accepts New Patients
4.4 
60 Years of Experience 20 Years of Experience 30 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Rosedale , MDBaltimore , MDBaltimore , MDWashington , DC
Med School: University Of Maryland School Of Medicine Med School: Suny Downstate Medical Center College Of Medicine Med School: George Washington University School Of Medicine & Health Sciences Med School: Harvard Medical School
Current Profile
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Insurance Plans Accepted by Dr. Louis Eberhardt Grenzer

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna - Medicare
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO

Medical Specialties

Dr. Louis Eberhardt Grenzer has the following 2 specialties

Specialty Expertise

Dr. Louis Eberhardt Grenzer has the following 15 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • Hypertension
  • Hypnotherapy
  • Internal Medicine
  • Stroke
  • Unstable Angina

Certifications, License, & Education

60 Years Experience

EDUCATION & TRAINING

Residency

Mercy Hospital And Medical Center

Medical School

University Of Maryland School Of Medicine
University Of Maryland School Of MedicineGraduated in 1966

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Frequently Asked Questions

Does Dr. Louis Grenzer accept my insurance?
You can see the insurance plans that Dr. Louis Grenzer accepts on their Vitals profile.
Which hospitals is Dr. Louis Grenzer affiliated with?
Dr. Louis Grenzer is affiliated with Mercy Medical Center.
Is Dr. Louis Grenzer accepting new patients?
Dr. Louis Grenzer is accepting new patients on Vitals. View Dr. Louis Grenzer's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Louis Grenzer?
You can find contact information for Dr. Louis Grenzer here on Vitals.
Does Dr. Louis Grenzer accept virtual/telehealth appointments?
Dr. Louis Grenzer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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