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

Dr. Maria Baer, MD

Individual provider Hematology & Oncology Physician · NPI 1700881802

Dr. Maria Baer, MD is a Hematology/Oncology in Baltimore, Maryland. Graduated from Johns Hopkins University School of Medicine in 1979, 47 years ago. Practices with University of Maryland Oncology Associates PA, a 63-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
47
Trained at
Johns Hopkins University School of Medicine
Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

22 S Greene St
Baltimore, MD 21201-1544
Phone: (410) 328-8708
Fax: (410) 328-6896
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence D65598 (MD)

Record details

NPI number1700881802
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2005
Last updated in NPPESSeptember 6, 2011
Mailing addressPo Box 62602, Baltimore, MD 21264-2602

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice University Of Maryland Oncology Associates Pa — 63 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Baltimore