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

Dr. James S Chesley Jr., MD

Individual provider Gastroenterology Physician · NPI 1821006024

Dr. James S Chesley Jr., MD is a Gastroenterology Physician in Clinton, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
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

7700 Old Branch Ave Ste B101
Clinton, MD 20735-1628
Phone: (301) 868-9510
Fax: (301) 868-0871
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence D26351 (MD)

Record details

NPI number1821006024
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 3, 2006
Last updated in NPPESJanuary 27, 2014

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