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

Marilyn R Jay, RN, ACNP

Individual provider Acute Care Nurse Practitioner · NPI 1174950539

Marilyn R Jay, RN, ACNP is a Nurse Practitioner in Austin, Texas. Qualified in 2005, 21 years ago. Practices with Usacs Critical Care Medicine Services of Texas PLLC, a 73-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
21
Licensed in
TX
In the registry since
2013
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.

See every abbreviation used in this directory →

Practice location Address checks out

1201 W 38th St
Austin, TX 78705-1006
Phone: (512) 324-3890
Show map & directions

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

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 245928 (TX)

Record details

NPI number1174950539
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , ACNP
Sole proprietorNo
NPI enumeratedOctober 1, 2013
Last updated in NPPESOctober 1, 2013

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Usacs Critical Care Medicine Services Of Texas Pllc — 73 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Austin