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

Dr. Joel Lester Koslow, MD

Individual provider Internal Medicine Physician · NPI 1063479186

Dr. Joel Lester Koslow, MD is an Internal Medicine Physician in Alexandria, Virginia. Licensed in Virginia. Registered with an NPI since 2006.

Licensed in
VA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6355 Walker Ln Ste 303
Alexandria, VA 22310-3245
Phone: (703) 971-0505
Fax: (703) 971-0508
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0101020388 (VA)

Record details

NPI number1063479186
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2006
Last updated in NPPESJuly 13, 2026

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