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

Theodoros Karantanos

Individual provider Internal Medicine Physician · NPI 1982023388

Theodoros Karantanos is a Medical Oncology in Baltimore, Maryland. Qualified in 2011, 15 years ago. Practices with Johns Hopkins University, a 2,855-clinician group and works from 3 locations. Licensed in Massachusetts and Maryland.

Years since qualifying
15
Licensed in
MA, MD
In the registry since
2014
Specialties on file
2

Practice location Address checks out

201 N Broadway St
Baltimore, MD 21287-0031
Phone: (410) 955-8893
Fax: (410) 955-0125
Show map & directions

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

Additional practice locations (2)

  • 72 E Newton St # 124, Boston, MA 02118-2308 — (617) 638-7253
  • 840 Harrison Avenue, Boston, MA 02118 — (617) 638-8000

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence D83090 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence 273620 (MA)

Record details

NPI number1982023388
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 14, 2014
Last updated in NPPESJune 1, 2022
Certification dateJune 1, 2022

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated
Practice locations5 on file with Medicare

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