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

Dr. Essa Hassan Hariri, MD

Individual provider Internal Medicine Physician · NPI 1487115739

Dr. Essa Hassan Hariri, MD is a Hospitalist in Baltimore, Maryland. Qualified in 2017, 9 years ago. Practices with Johns Hopkins University, a 705-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maryland and Ohio.

Years since qualifying
9
Licensed in
MD, OH
In the registry since
2019
Specialties on file
2
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

1800 Orleans St
Baltimore, MD 21287-0010
Phone: (410) 955-5000
Show map & directions

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

Additional practice locations (1)

  • Cleveland Clinic 9500 Euclid Avenue / Na-23, Cleveland, OH 44195-0001 — (216) 444-2200

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D98788 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence 35.144554 (OH)

Record details

NPI number1487115739
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 28, 2019
Last updated in NPPESOctober 21, 2025
Certification dateOctober 21, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Johns Hopkins University — 705 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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