Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Catherine Williams, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1568198844

Catherine Williams, PMHNP is a Nurse Practitioner in Houston, Texas. Qualified in 2022, 4 years ago. Practices with Physicians Referral Service, a 2,727-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
4
Licensed in
TX
In the registry since
2022
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1515 Holcombe Blvd
Houston, TX 77030-4000
Phone: (713) 792-6161
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 1086101 (TX)

Record details

NPI number1568198844
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedJuly 28, 2022
Last updated in NPPESAugust 25, 2023
Certification dateAugust 25, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Physicians Referral Service — 2727 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Houston