Summary

Dr. John Loh specializes in internal medicine with additional expertise in geriatric medicine, focusing on the comprehensive care of adults and older patients. He earned his medical degree from Michigan State University College of Osteopathic Medicine and has been practicing for over four decades. Dr. Loh speaks English fluently.

Dr. Loh practices at locations in Essex and Baltimore, Maryland, including Mace Medical and MedStar Franklin Square Medical Center. He has extensive experience managing complex conditions such as heart failure, diabetes, and irregular heart rhythms. His practice includes preventive care services like flu vaccinations and cancer screenings, along with diabetes monitoring through blood sugar testing. Patients have given him an average rating of 4.5 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 42 years of experience
  • 48 insurance plans accepted
  • speaks English
  • Michigan State University College Of Osteopathic Medicine
  • 1 written review
  • 2 specialties
  • 7 areas of expertise
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Jee-Joon Loh has 2 locations

Mace Medical

1124 Mace AveEssex, MD 21221
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
Sat8:30 am - 12:00 pm
SunClosed

Medstar Franklin Square Medical Center

9000 Franklin Square DrBaltimore, MD 21237

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Dr. John Jee-Joon Loh, DODavid Peyser, PA-CDr. Sharon McCormack, MDDr. Maria Munoz, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
42 Years of Experience 41 Years of Experience 25 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
Essex , MDBaltimore , MDColumbia , MDColumbia , MD
Med School: Michigan State University College Of Osteopathic Medicine Med School: Physician Assistant Degree from Arcadia University Med School: University of Maryland School of Medicine Med School: Universidad Iberoamericana School of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Jee-Joon Loh

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - PPO
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • AmeriGroup
  • AmeriGroup - Medicaid (Managed)
  • APWU
  • Avesis
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - Federal Employees Program
  • Blue Cross Blue Shield - PPO
  • Capital Blue Cross
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - Federal Employees Program
  • CareFirst Blue Cross Blue Shield - PPO
  • CareFirst BlueCross BlueShield
  • Cigna
  • Cigna - PPO
  • Cigna-HealthSpring
  • Cigna-HealthSpring - HMO
  • Cigna-HealthSpring - Medicare
  • Humana
  • Johns Hopkins Employer Health Programs
  • Johns Hopkins Employer Health Programs - Medicaid (Managed)
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Maryland Physicians Care
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Medicare - PPO
  • MedStar Family Choice
  • MedStar Family Choice - Medicaid (Managed)
  • Meritain Health
  • Priority Partners
  • Priority Partners - Medicaid (Managed)
  • Riverside Health
  • Riverside Health - Medicaid (Managed)
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO

Medical Specialties

Dr. John Jee-Joon Loh has the following 2 specialties

Specialty Expertise

Dr. John Jee-Joon Loh has the following 7 areas of expertise

  • Check-up
  • Geriatric Medicine
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

42 Years Experience

Dr. John Jee-Joon Loh holds an active medical license in the state of Maryland.

Medical License

Doctor Of Osteopathy with an active medical license in the state of Maryland that expires in 2026.

Education & Training

Medical School

Graduated from Michigan State University College Of Osteopathic Medicine in 1984.

NPI Number

Dr. Loh's NPI number is 1306852827.

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Frequently Asked Questions

Where is Dr. John Loh's office located?
Dr. John Loh's office is located at 1124 Mace Ave, Essex, MD, 21221.
How can I make an appointment with Dr. John Loh?
You can find contact information for Dr. John Loh here on Vitals.
What languages does Dr. John Loh speak?
Dr. John Loh speaks English.
Does Dr. John Loh accept my insurance?
You can see the insurance plans that Dr. John Loh accepts on their Vitals profile.
Is Dr. John Loh accepting new patients?
Dr. John Loh is accepting new patients on Vitals. View Dr. John Loh's profile on Vitals to make an appointment.

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