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

Dr. Esteban A Marquez, MD

Individual provider Internal Medicine Physician · NPI 1851352819

Dr. Esteban A Marquez, MD is a Hospitalist in Baltimore, Maryland. Qualified in 1994, 32 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
32
Licensed in
MD
In the registry since
2006
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

2323 Orleans St
Baltimore, MD 21224-1020
Phone: (410) 558-4747
Fax: (410) 732-0185
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D52191 (MD)

Record details

NPI number1851352819
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 30, 2006
Last updated in NPPESMay 14, 2020
Certification dateMay 14, 2020

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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