Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

MS. Karen Faye Guess, APN

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1366626210

MS. Karen Faye Guess, APN is a Nurse Practitioner in Dallas, Texas. Qualified in 2003, 23 years ago. Practices with Dallas County Mental Health and Mental Retardation Center, a 69-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
23
Licensed in
TX
In the registry since
2007
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

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Practice location Address checks out

1822 Young St
Dallas, TX 75201-5612
Phone: (214) 743-1200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1818 Corsicana St, Dallas, TX 75201-6102 — (214) 330-0036

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence AP112344 (TX)

Record details

NPI number1366626210
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedDecember 27, 2007
Last updated in NPPESDecember 8, 2025
Certification dateDecember 8, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Dallas County Mental Health And Mental Retardation Center — 69 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients18
Services billed 71 a service is one billed item, such as a visit, a test or a procedure
Average patient age57

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Dallas County Mental Health and Mental Retardation Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 69 clinicians in the practice; 12 are shown here.

Other providers in Dallas