Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark D Kelemen, MD

Individual provider Cardiovascular Disease Physician · NPI 1902850548

Dr. Mark D Kelemen, MD is a Cardiovascular Disease (Cardiology) in Baltimore, Maryland. Graduated from Johns Hopkins University School of Medicine in 1990, 36 years ago. Practices with Appledore Medical Group Inc, a 198-clinician group and offers telehealth. Licensed in Maryland and Maine.

Years since qualifying
36
Trained at
Johns Hopkins University School of Medicine
Licensed in
MD, ME
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

22 S Greene St
Baltimore, MD 21201-1544
Phone: (410) 790-7690
Fax: (410) 328-8225
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence D45643 (MD)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence D45643 (ME)

Record details

NPI number1902850548
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESNovember 3, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Appledore Medical Group Inc — 198 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations10 on file with Medicare

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