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

Grennan Chiropractic PLLC

Organization Nutrition Chiropractor · NPI 1891096251

Grennan Chiropractic PLLC is a Nutrition Chiropractor in Irving, Texas. Licensed in Texas. Registered with an NPI since 2010.

Licensed in
TX
In the registry since
2010
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

7447 N Macarthur Blvd Ste 180
Irving, TX 75063-7509
Phone: (972) 253-1500
Fax: (972) 253-1505
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nutrition Chiropractor (primary) Taxonomy 111NN1001X · Licence 6435 (TX)

Record details

NPI number1891096251
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Carol Grennan — Owner · (972) 253-1500
NPI enumeratedNovember 16, 2010
Last updated in NPPESJune 12, 2015
Mailing address7447 N Macarthur Blvd, Suite 180, Irving, TX 75063-7509

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