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

Catherine L Washburn, MD

Individual provider Internal Medicine Physician · NPI 1811910409

Catherine L Washburn, MD is an Internal Medicine in Baltimore, Maryland. Graduated from University of Rochester School of Medicine and Dentistry in 1990, 36 years ago. Practices with Johns Hopkins University, a 705-clinician group. Licensed in Maryland.

Years since qualifying
36
Trained at
University of Rochester School of Medicine and Dentistry
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

4940 Eastern Ave
Baltimore, MD 21224-2735
Phone: (410) 550-0100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D41982 (MD)

Record details

NPI number1811910409
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 25, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated 1990 (36 years in practice)
Group practice Johns Hopkins University — 705 clinicians
Accepts Medicare assignment Not indicated
Practice locations5 on file with Medicare

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