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

Dr. Aaron Tobian, MD, PHD

Individual provider Blood Banking & Transfusion Medicine Physician · NPI 1255481263

Dr. Aaron Tobian, MD, PHD is a Pathology in Baltimore, Maryland. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2006, 20 years ago. Practices with Johns Hopkins University, a 2,855-clinician group. Licensed in Maryland.

Years since qualifying
20
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Licensed in
MD
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

600 N Wolfe St Dept OF Pathology Carnegie 400
Baltimore, MD 21287-0005
Phone: (443) 287-0527
Show map & directions

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

Specialties & licences

Blood Banking & Transfusion Medicine Physician (primary) Taxonomy 207ZB0001X · Licence D0070119 (MD)

Record details

NPI number1255481263
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJanuary 11, 2007
Last updated in NPPESDecember 13, 2023
Certification dateDecember 13, 2023

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 2006 (20 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated

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