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

Dr. Gregory L Sullivan, DC

Individual provider Chiropractor · NPI 1457442329

Dr. Gregory L Sullivan, DC is a Chiropractor in Saint Louis, Missouri. Practices as a sole proprietor. Licensed in Missouri.

Licensed in
MO
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

3900 Gravois Ave
Saint Louis, MO 63116-3621
Phone: (314) 664-9500
Fax: (314) 664-9501
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 5553 (MO)

Record details

NPI number1457442329
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedSeptember 27, 2006
Last updated in NPPESJuly 8, 2007
Mailing address3900 Gravois Ave, Saint Louis, MO 63116-3621

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