NPI age
18 years
Enumerated 2007-08-13
● Active
Type 1 · Individual
DR. Mary Linda Diaz, PH.D., LPC
Diaz is 1 of 185 counselor providers in Corpus Christi and 1 of 11396 in Texas.
Primary specialty
Counselor
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-11-04
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 11396 active counselor providers in Texas.
NPI age
18 years
↑ 14 yr above median (4 yr)
State licenses
1 state
2% of peers hold multiple states
Subspecialties
0
17% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-08Enumerated in NPPES
2007
2026
Where they practice
Practice location
4642 Oso Pkwy
Corpus Christi, TX 784135269
Mailing address
4642 Oso Pkwy
Corpus Christi, TX 784135269
Additional practice locations
1 secondary location on file with NPPES.
Location 2
5934 S Staples St Ste 230
Corpus Christi, TX 784133800
Specialties
-
Counselor PrimaryDefinition to come...
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
Recently enumerated nearby: 12 new counselor providers have been added in Corpus Christi 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.