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

Dr. David Northrop Hager, MD, PHD

Individual provider Internal Medicine Physician · NPI 1407998867

Dr. David Northrop Hager, MD, PHD is a Pulmonary Disease in Baltimore, Maryland. Graduated from Js Weill Medical College, Cornell University in 1999, 27 years ago. Practices with Johns Hopkins University, a 2,855-clinician group. Licensed in Maryland.

Years since qualifying
27
Trained at
Js Weill Medical College, Cornell University
Licensed in
MD
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1830 E Monument St Pulm & Crit Care 5th Fl
Baltimore, MD 21205-2100
Phone: (410) 955-3467
Fax: (410) 955-0036
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence D59474 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence D0059474 (MD)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence D0059474 (MD)

Record details

NPI number1407998867
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedFebruary 13, 2007
Last updated in NPPESJune 25, 2013

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolJS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduated 1999 (27 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated

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