OrganizationActive
Grennan Chiropractic PLLC
NPI 1891096251 · Nutrition Chiropractor · Irving, TX
Grennan Chiropractic PLLC is a Nutrition Chiropractor organization in Irving, TX (NPI 1891096251).
Provider details
- NPI number
- 1891096251
- Entity type
- Organization
- Primary specialty
- Nutrition ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Carol Grennan, Owner(972) 253-1500
- License
- 6435 (TX)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
7447 N Macarthur Blvd
Suite 180
Irving, TX 75063-7509
Phone: (972) 253-1500
Fax: (972) 253-1505
Street-level locationGet directions
Mailing address
7447 N Macarthur Blvd
Irving, TX 75063-7509
Registry dates
- Enumerated
- 2010-11-16
- Last updated
- 2015-06-12
Frequently asked questions
- What is Grennan Chiropractic PLLC's NPI number?
- Grennan Chiropractic PLLC's National Provider Identifier (NPI) is 1891096251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grennan Chiropractic PLLC?
- Grennan Chiropractic PLLC is classified in the NPPES registry as Nutrition Chiropractor (Chiropractic Providers).
- Where is Grennan Chiropractic PLLC located?
- Grennan Chiropractic PLLC's practice location on file with NPPES is 7447 N Macarthur Blvd, Irving, TX 75063-7509.
- What is Grennan Chiropractic PLLC's phone number?
- The practice phone number listed in the NPPES registry for Grennan Chiropractic PLLC is (972) 253-1500.
- Who is the authorized official for Grennan Chiropractic PLLC?
- The authorized official listed on Grennan Chiropractic PLLC's NPPES record is Carol Grennan, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grennan Chiropractic PLLC's NPI active?
- Yes — Grennan Chiropractic PLLC's NPI (1891096251) is active in the NPPES registry as of the last update on 2015-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.