Dr. Grenzer graduated from the University Of Maryland School Of Medicine. Dr. Grenzer works in Baltimore, MD and specializes in Cardiovascular Disease and Internal Medicine. Dr. Grenzer is affiliated with Greater Baltimore Medical Center, Inova Alexandria Hospital, Mercy Medical Center and University Of Maryland Saint Joseph Medical Center.


Years Experience: Not Available

Procedures Performed

Dr. Grenzer's Specialties

Dr. Grenzer's Education & Training

Medical School
University Of Maryland School Of Medicine


  • Overall Rating

  • Rate
    Explains conditions & treatments

  • Rate
    Takes time to answer my questions

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    Provides follow-up as needed

Dr. Grenzer's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Select
  • Aetna Signature Administrators PPO

Dr. Grenzer's Office Information & Appointments


Louis E Grenzer MD

5601 Loch Raven Blvd # 200 Smyt
Baltimore, MD 21239

Get Directions

Tel: (410) 532-8800

Fax: Not Available

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

M 8:30 AM - 4:30 PM
T 8:30 AM - 4:30 PM
W 8:30 AM - 4:30 PM
T 8:30 AM - 4:30 PM
F 8:30 AM - 4:30 PM
S Closed
S Closed

Other Physicians in Dr. Grenzer's Practice

  • Not Available