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

Ronald M. Castro, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1821058447

Ronald M. Castro, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Round Rock, Texas. Qualified in 1989, 37 years ago. Practices with Mark Malone MD PA, a 101-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
37
Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2000 S Mays St Ste 201
Round Rock, TX 78664-7580
Phone: (512) 244-4272
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 8140 N Mopac Expy Ste 3-210, Austin, TX 78759-8862 — (512) 343-2292

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence AP104232 (TX)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence 580093 (TX)

Record details

NPI number1821058447
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedMarch 27, 2006
Last updated in NPPESJanuary 6, 2021
Certification dateJanuary 6, 2021

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Mark Malone Md Pa — 101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Round Rock