Carol Grennan, DC, DACBN, CCN
NPI 1346250602 · Chiropractor · Irving, TX
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carol Grennan, DC, DACBN, CCN is a Chiropractor provider in Irving, TX (NPI 1346250602).
Provider details
- NPI number
- 1346250602
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC, DACBN, CCN
- Sex
- Female
- Sole proprietor
- No
- License
- 6435 (TX)
Specialties & taxonomies
Chiropractic Providers
Chiropractic Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2006-08-09
- Last updated
- 2016-12-05
Frequently asked questions
- What is Carol Grennan's NPI number?
- Carol Grennan's National Provider Identifier (NPI) is 1346250602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Grennan's specialty?
- Carol Grennan is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Carol Grennan located?
- Carol Grennan's practice location on file with NPPES is 7447 N Macarthur Blvd, Irving, TX 75063-7509.
- What is Carol Grennan's phone number?
- The practice phone number listed in the NPPES registry for Carol Grennan is (972) 253-1500.
- Does Carol Grennan accept Medicare?
- Carol Grennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carol Grennan's NPI active?
- Yes — Carol Grennan's NPI (1346250602) is active in the NPPES registry as of the last update on 2016-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.