Summary

Dr. Timothy Niessen is an internal medicine physician who earned his medical degree from Johns Hopkins University School of Medicine. With 17 years of experience in internal medicine, he focuses on diagnosing and treating a wide range of adult health conditions. His medical training at one of the nation's leading medical institutions has prepared him to provide comprehensive care for complex medical issues.

Dr. Niessen practices at The Johns Hopkins Hospital and Johns Hopkins Bayview Medical Center in Baltimore, Maryland. He has particular expertise in managing electrolyte imbalances, which can affect heart rhythm and muscle function. Additionally, he treats patients with tobacco use disorder, helping them overcome nicotine addiction and its health consequences. Dr. Niessen also cares for women experiencing acute fatty liver during pregnancy, a serious condition that requires specialized monitoring and treatment.

Overview based on verified provider data

Quick Facts

  • 17 years of experience
  • 6 insurance plans accepted
  • Johns Hopkins University School Of Medicine
  • 1 specialty
  • 7 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 4 office locations
  • Male

Office Locations

Dr. Timothy Michael Niessen has 4 locations

Johns Hopkins Hospital Pediatric Gastroenterology And Nutrition

600 N Wolfe St # 120Baltimore, MD 21287
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

The Johns Hopkins Hospital

1800 Orleans StBaltimore, MD 21287

Dr. Timothy Michael Niessen

600 N Wolfe StBaltimore, MD 21287

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Dr. Timothy Michael Niessen, MDLeanne Antioquia, FNPDr. Sharon McCormack, MDDr. Sohan Varma, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
17 Years of Experience 41 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English Speaks English Speaks English, Hindi, Punjabi, Urdu
Baltimore , MDBowie , MDColumbia , MDChantilly , VA
Med School: Johns Hopkins University School Of Medicine Med School: University of Maryland School of Medicine Med School: Ross University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Timothy Michael Niessen

  • Blue Cross Blue Shield
  • Kaiser Permanente - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Riverside Health - Medicaid (Managed)
  • UnitedHealthcare

Medical Specialties

Dr. Timothy Michael Niessen has the following specialty

Specialty Expertise

Dr. Timothy Michael Niessen has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

17 Years Experience

Dr. Timothy Michael Niessen holds an active medical license in the state of Maryland.

Medical License

Medical Doctor with an active medical license in the state of Maryland that expires in 2027.

Education & Training

Medical School

Graduated from Johns Hopkins University School Of Medicine in 2009.

NPI Number

Dr. Niessen's NPI number is 1730322900.

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Frequently Asked Questions

Where is Dr. Timothy Niessen's office located?
Dr. Timothy Niessen's office is located at 600 N Wolfe St # 120, Baltimore, MD, 21287.
How can I make an appointment with Dr. Timothy Niessen?
You can find contact information for Dr. Timothy Niessen here on Vitals.
Is Dr. Timothy Niessen accepting new patients?
Dr. Timothy Niessen has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Timothy Niessen accept virtual/telehealth appointments?
Dr. Timothy Niessen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Timothy Niessen accept my insurance?
You can see the insurance plans that Dr. Timothy Niessen accepts on their Vitals profile.

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