NPI age
16 years
Enumerated 2009-09-30
● Active
Type 1 · Individual
DR. Whitney Denay Gilkey Mathison, PHD, LPC, NCC
Mathison is 1 of 22 counselor providers in The Colony and 1 of 23131 in Texas.
Primary specialty
Counselor
Plus 3 subspecialties
Licensed in
MO, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-12-16
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 23131 active counselor providers in Texas.
NPI age
16 years
↑ 9 yr above median (7 yr)
State licenses
2 states
Top 97% — 2% of peers are multi-state
Subspecialties
1
In the 20% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-09Enumerated in NPPES
2009
2026
Where they practice
Practice location
6805 Main St Ste 430
The Colony, TX 750561156
Mailing address
6805 Main St Ste 430
The Colony, TX 750561156
Additional practice locations
4 secondary locations on file with NPPES.
Location 2
17330 Preston Rd Ste 200d
Dallas, TX 752526106
Location 3
7280 Nw 87th Ter Ste C210
Kansas City, MO 641533720
Location 4
111 W Port Plz
Saint Louis, MO 631463011
Location 5
1123 Locust St
Saint Louis, MO 631011103
Specialties
-
Counselor PrimaryDefinition to come...
-
CounselorDefinition to come...
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new counselor provider has been added in The Colony in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.