NPI age
15 years
Enumerated 2011-05-02
● Active
Type 1 · Individual
MRS. Karen A Johnson, APN
Johnson is 1 of 4 nurse practitioner providers in Schertz and 1 of 987 in Texas.
Primary specialty
Nurse Practitioner
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2019-01-30
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 987 active nurse practitioner providers in Texas.
NPI age
15 years
↑ 10 yr above median (5 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
0
37% of peers hold subspecialties
NPI lifetime · 2011 → 2026
2011-05Enumerated in NPPES
2011
2026
Where they practice
Practice location
3746 Schertz Pkwy Ste 100
Schertz, TX 781542929
Mailing address
3746 Schertz Pkwy Ste 100
Schertz, TX 781542929
Additional practice locations
1 secondary location on file with NPPES.
Location 2
3326 E Southcross Blvd
San Antonio, TX 782231922
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
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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.