NPI age
1 years
Enumerated 2024-09-13
● Active
Type 1 · Individual
Martha Lucia Mercado, LCSW
Mercado is 1 of 37 social worker providers in Harlingen and 1 of 12911 in Texas.
Primary specialty
Social Worker
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-05-04
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12911 active social worker providers in Texas.
NPI age
1 years
↓ 6 yr below median (7 yr)
State licenses
1 state
7% of peers hold multiple states
Subspecialties
0
19% of peers hold subspecialties
NPI lifetime · 2024 → 2026
2024-09Enumerated in NPPES
2024
2026
Where they practice
Practice location
1706 Treasure Hills Blvd
Harlingen, TX 785508911
Mailing address
25 Varela Ct
Brownsville, TX 785261756
Specialties
-
Social Worker PrimaryA social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be...
Practice context
Part of a multi-provider practice. 71 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new social worker providers have been added in Harlingen in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 12911 Social Worker providers in Texas?
Provyx verifies the list to your scope. Business emails and direct lines are looked up at delivery, validated, and not stored.
Request a quote →How to verify this provider
- 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.