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

Dr. Walter M O'Brien, MD

Individual provider Urology Physician · NPI 1730173360

Dr. Walter M O'Brien, MD is an Urology Physician in Leesburg, Virginia. Licensed in Virginia. Registered with an NPI since 2005.

Licensed in
VA
In the registry since
2005
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

19415 Deerfield Ave Ste 112
Leesburg, VA 20176-8470
Phone: (703) 724-1195
Fax: (703) 724-4495
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 0101038671 (VA)

Record details

NPI number1730173360
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 9, 2005
Last updated in NPPESJanuary 10, 2024
Certification dateJanuary 10, 2024

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