NPI age
14 years
Enumerated 2011-10-24
● Active
Type 1 · Individual
Donna Mercer, LMT
Mercer is 1 of 366 specialist providers in Dallas and 1 of 4038 in Texas.
Primary specialty
Specialist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2011-10-24
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 4038 active specialist providers in Texas.
NPI age
14 years
↓ 4 yr below median (18 yr)
State licenses
1 state
0% of peers hold multiple states
Subspecialties
0
7% of peers hold subspecialties
NPI lifetime · 2011 → 2026
2011-10Enumerated in NPPES
2011
2026
Where they practice
Practice location
13601 Preston Rd Ste W207
Dallas, TX 752404911
Mailing address
121 Brookwood Dr
Richardson, TX 750804729
Specialties
-
Specialist PrimaryAn individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
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: 1 new specialist provider has been added in Dallas in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 4038 Specialist providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
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.