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

Dr. Thomas D O'Bryan, DC, CCN

Individual provider Nutrition Education Nutritionist · NPI 1205059128

Dr. Thomas D O'Bryan, DC, CCN is a Nutrition Education Nutritionist in Warrenville, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

28379 Davis Pkwy Ste 801
Warrenville, IL 60555-3032
Phone: (630) 393-9800
Fax: (630) 393-0499
Show map & directions

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

Specialties & licences

Nutrition Education Nutritionist (primary) Taxonomy 133NN1002X · Licence 0038-4472 (IL)

Record details

NPI number1205059128
Entity typeIndividual (Type 1)
GenderMale
Credentials DC , CCN
Sole proprietorYes
NPI enumeratedApril 10, 2007
Last updated in NPPESJuly 8, 2007
Mailing address624 Sheridan Sq Apt 3, Evanston, IL 60202-4750

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