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

Dr. James Thomas Cassleman, MD

Individual provider Family Medicine Physician · NPI 1659691863

Dr. James Thomas Cassleman, MD is a Family Medicine Physician in Aurora, Colorado. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2010
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

275 S Aspen St
Aurora, CO 80011-9562
Phone: (720) 847-9355
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 0101250317 (VA)

Record details

NPI number1659691863
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 10, 2010
Last updated in NPPESMarch 25, 2026
Certification dateMarch 25, 2026
Mailing address275 S Aspen St, Aurora, CO 80011-9562

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