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

Marrissa Leigh Baker, MD

Individual provider Emergency Medicine Physician · NPI 1669771986

Marrissa Leigh Baker, MD is an Emergency Medicine in Baltimore, Maryland. Graduated from Washington University School of Medicine in 2011, 15 years ago. Practices with Cep America LLC, a 985-clinician group and accepts Medicare assignment. Licensed in Maryland and Pennsylvania.

Years since qualifying
15
Trained at
Washington University School of Medicine
Licensed in
MD, PA
In the registry since
2011
Specialties on file
2
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 Partly verified

Some contact details are missing from the federal record.

Johns Hopkins University School Of Medicine 1830 Monument St Ste 6-100
Baltimore, MD 21287-0020
Phone: (410) 955-5107
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD462521 (PA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence D0079093 (MD)

Record details

NPI number1669771986
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2011
Last updated in NPPESOctober 13, 2017
Mailing address403 Virginia Ave, Essex, MD 21221-6858

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Cep America Llc — 985 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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