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

Dr. Martha Ann Baker, MD

Individual provider Hospitalist Physician · NPI 1992094189

Dr. Martha Ann Baker, MD is a Hospitalist in Baltimore, Maryland. Graduated from Boston University School of Medicine in 2011, 15 years ago. Practices with St Agnes Healthcare Inc, a 269-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
15
Trained at
Boston University School of Medicine
Licensed in
MD
In the registry since
2011
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

900 S Caton Ave
Baltimore, MD 21229-5201
Phone: (410) 232-3313
Fax: (410) 368-3599
Show map & directions

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence D77310 (MD)

Record details

NPI number1992094189
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2011
Last updated in NPPESJuly 14, 2014

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice St Agnes Healthcare Inc — 269 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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