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

Dr. Daniel C Brennan, MD

Individual provider Nephrology Physician · NPI 1023036597

Dr. Daniel C Brennan, MD is a Nephrology in Baltimore, Maryland. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1985, 41 years ago. Practices with Johns Hopkins University, a 2,855-clinician group. Licensed in Maryland.

Years since qualifying
41
Trained at
University of Iowa, Rj & L Carver College of Medicine
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

600 N Wolfe St
Baltimore, MD 21287-0005
Phone: (410) 955-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence D83543 (MD)

Record details

NPI number1023036597
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESJuly 21, 2022
Mailing address9910 Franklin Square Dr Ste 2110, Baltimore, MD 21236-4902

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare

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