P Praxis·MD
● Active Type 1 · Individual

Carol Evelyn Grennan, DC, DACBN, CCN

Chiropractor·Irving, TX· NPI 1346250602 · Enumerated 2006 · 19 years on NPI
Grennan is 1 of 177 chiropractor providers in Irving and 1 of 10819 in Texas.
NPI age
19 years
Enumerated 2006-08-09
Primary specialty
Chiropractor
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2016-12-05
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 10819 active chiropractor providers in Texas.

NPI age
19 years
↑ 4 yr above median (15 yr)
State licenses
1 state
2% of peers hold multiple states
Subspecialties
2
In the 7% of peers with subspecialties

NPI lifetime · 2006 → 2026

2006-08Enumerated in NPPES
2006 2026

Where they practice

Practice location
7447 N MacArthur Blvd, Suite 180
Irving, TX 750637509
📞 9722531500fax 9722531505
Mailing address
7447 N MacArthur Blvd, Suite 180
Irving, TX 750637509
📞 9722531500fax 9722531505

Specialties

  • Chiropractor Primary
    A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal...
    TX license #6435 taxonomy 111N00000X
  • Chiropractor
    Chiropractic Nutrition is that specialty within the chiropractic profession that deals with the overall factors that affect the patient's ability to maintain the manipulative correction and thus sustain better neurological integrity....
    TX license #6435 taxonomy 111NN1001X
  • Nutritionist
    Definition to come...
    TX license #BOARD CERT 3918 taxonomy 133NN1002X

Practice context

Part of a multi-provider practice. 6 other active providers share this practice address in NPPES.

Recently enumerated nearby: 4 new chiropractor providers have been added in Irving in the last 180 days. See all →
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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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