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

Christian Avery Merlo, MD

Individual provider Pulmonary Disease Physician · NPI 1538118393

Christian Avery Merlo, MD is a Critical Care (Intensivists) in Baltimore, Maryland. Graduated from Georgetown University School of Medicine in 1996, 30 years ago. Practices with Johns Hopkins University, a 705-clinician group and offers telehealth. Licensed in Maryland.

Years since qualifying
30
Trained at
Georgetown University School of Medicine
Licensed in
MD
In the registry since
2006
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

600 N Wolfe St
Baltimore, MD 21287-0005
Phone: (410) 550-5864
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence D0061725 (MD)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence D0061725 (MD)

Record details

NPI number1538118393
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 9, 2006
Last updated in NPPESNovember 14, 2025
Certification dateNovember 14, 2025

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE, PULMONARY DISEASE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Johns Hopkins University — 705 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations11 on file with Medicare

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