Masking policy

Patients, help us protect our high-risk patients - please wear a mask if you have respiratory symptoms, a positive COVID-19 test, or COVID-19 exposure.

Effective 3/13/23, ARC transitions to optional masking for our staff and physicians, with required masking during specific situations. Read more.

Renewing Medicaid Coverage Update

In response to the COVID-19 pandemic, the federal government declared a public health emergency (PHE) and passed a law that allowed you to automatically keep your Medicaid coverage (continuous Medicaid). Based on the new federal law, continuous Medicaid eligibility will end on March 31, 2023, so you need to renew your benefits when it’s time to ensure your coverage will continue if you are eligible.

Patients should look for notices from HHSC in YELLOW envelopes that say "ACTION REQUIRED" in RED lettering. Notices will come in the mail and/or via portal if clients chose electronic notices. They should respond quickly when they receive it.

If you don’t respond to renewal or information requests from HHS, you could lose your coverage.

Read more

Actualización Sobre Renovando la Cobertura de Medicaid 

Como respuesta a la pandemia de COVID-19, el gobierno federal declaró una Emergencia de Salud Pública (PHE, por sus siglas en inglés) y aprobó una ley que le permitió a usted mantener automáticamente su cobertura de Medicaid (cobertura continua de Medicaid). Según la nueva ley federal, la elegibilidad para la cobertura continua de Medicaid se terminará el 31 de marzo, de 2023, por eso necesita renovar sus beneficios cuando se llegue el momento para asegurar que su cobertura va a continuar si usted todavía es elegible.

Pacientes deben buscar avisos de la HHSC en sobres AMARILLOS con el texto “ACCIÓN REQUERIDA” en letras ROJAS. Los avisos llegarán por correo y/o a través del portal en línea si los clientes eligieron recibir avisos electrónicos. Deberían responder con rapidez cuando lo reciban. 

Si no responde a las solicitudes de renovación o de información de la HHSC, podría perder su cobertura.

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Cathy Castillo

Cathy Anne Castillo, MD

Family Medicine

ARC Patient Feedback

Guide to ARC Patient Feedback and Ratings

Austin Regional Clinic (ARC) doctors, staff, and leadership are committed to providing our community with high quality convenient care. One of the ways we demonstrate this priority is through our online transparency.

You can review our provider ratings and comments on our web site with the confidence that they are all based on verified visits. We post all patient feedback relevant to the entire visit and only refrain from posting comments that are libelous, profane, or those that risk the privacy of our patients.

The below guide provides details about how we collect and share our patient feedback.

Who runs the survey?

ARC partnered with Binary Fountain to collect patient feedback about their doctor’s visit. We gather feedback from text surveys that are sent after the visit. Binary Fountain is an independent third party customer feedback company that provides the technology to collect the feedback and display ratings and comments on our web site. All ratings are submitted by actual patients and verified by ARC.

How do patients receive the survey?

Patients for whom we have a mobile phone number receive a text survey within two hours of checking in for their visit. Patients are asked to complete the survey and provide ratings and comments regarding their experience at different touch points of their visit. We use this feedback to recognize doctors and staff, identify issues we can correct, and enhance our care.

Do you post all positive and negative comments?

ARC posts all positive and negative patient feedback that is relevant to the entire visit. We refrain from posting comments that are libelous, profane, or those that risk the privacy of our patients.

What questions do we ask?

ARC asks questions that touch on the overall patient experience related to their visit. Anyone seeking detailed information about each question can view the ratings for each specific question on the Reviews tab on the provider bio page on the website. We calculate our provider star ratings based on the responses to question number six below. We calculate our location star ratings based on the responses to all the below questions.

  1. Rate how easy it was to make your appointment.
  2. Rate the helpfulness of the front-desk staff.
  3. Rate the helpfulness of the doctor's nurse and/or medical assistant (MA).
  4. Did the healthcare provider or doctor provide the care you expected?
  5. How likely is it that you would refer a friend/family member to this doctor or NP/PA?
  6. Please let us know anything that you particularly liked or disliked about your experience with today’s office visit.
  7. If you would like to be contacted about your visit today, please provide your phone number.

Why don't all providers display a rating?

Since more recent data provides a more accurate picture, we require a minimum of 30 patient surveys per doctor in the last 12 months before we post a physician’s rating.

Why can I only see comments from the last 90 days?

ARC physicians and staff review all comments and act to rectify issues. Since the purpose of the feedback is to allow us to improve the overall patient experience, we display the last 90 days of comments which are the most relevant for the practice.

Can anyone complete a survey or post a comment about a physician?

No. Only patients having an outpatient visit by an ARC physician receive a survey. The results are based entirely from patients who have actually been treated by the physician in our clinics.

How is patient information protected?

Comments are reviewed and approved prior to being published to the website. If a comment contains any personally identifiable information, that information will be removed from the comment.

ARC Hutto Ages seen: 18 - 99 Languages: Spanish Joined ARC: 2006

512-846-1244 Look Up Insurance

About Cathy Anne Castillo, MD

  • Dr. Castillo is moving her practice to our new ARC Senior Care, opening on April 3, 2023. Her last day seeing patients at ARC Hutto will be Friday, March 31, 2023. Read letter.

    To continue your care at ARC Hutto, Dr. Castillo recommends the providers below.

    To continue your care with Dr. Castillo at ARC Senior Care, if you are 55 years or older with multiple chronic conditions, and insured through traditional Medicare or Medicare Advantage plans, you can book an appointment via ARC MyChart account or call 512-ARC-INFO (512-272-4636).

    Dr. Castillo grew up in the small south Texas town of Beeville. She received her undergraduate degree from Southwestern University and her graduate degree from The University of Texas Medical Branch in Houston. She lived in Southern California for five years and completed her residency program there. After completing her residency program, Dr. Castillo worked in urgent care in California for two years before moving back to Texas. She loves living in Hutto and being so close to Austin, and looks forward to a long career here.

I prefer to promote prevention. I like to address problems early on and head on so that we can avoid problems down the road. I am interested in treating diabetes. It is a very big problem in my family so I have personally seen its effects.

Locations & Hours

Credentials

  • Board Certifications
    Board Certified in Family Practice
  • Medical School
    University of Texas Medical Branch, Houston, TX, 2000
  • Residency
    Ventura County Family Practice Residency Program Ventura, CA, 2003
  • Professional Positions
    • Best Family Doctors - 2020

Dr. Castillo currently has long wait times for new patients. Please see below for physicians she recommends to patients wanting to establish care at ARC Hutto and surrounding ARC locations.

Ages Seen

Children (ages 3-11)
Adolescents (ages 12-18)
Toddlers (ages 0-2)