NPI age
19 years
Enumerated 2006-07-31
● Active
Type 1 · Individual
Marina L Johnston, NP
Johnston is 1 of 230 nurse practitioner providers in Dallas and 1 of 982 in Texas.
Primary specialty
Nurse Practitioner
Plus 3 subspecialties
Licensed in
TX, NM, OH, NC
4 states
Status
Active
No deactivations on record
Last NPPES update
2022-11-22
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 982 active nurse practitioner providers in Texas.
NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
4 states
Top 94% — 5% of peers are multi-state
Subspecialties
1
In the 21% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
5200 Harry Hines Blvd
Dallas, TX 752357709
Mailing address
Po Box 660599
Dallas, TX 752660599
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
-
Nurse PractitionerDefinition to come...
Practice context
Part of a multi-provider practice. 670 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new nurse practitioner providers have been added in Dallas in the last 180 days.
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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.