Independence Day hours

Independence Day, Friday, July 4: ARC Far West, ARC Round Rock, and ARC Southwest After Hours Clinics will be open 8am - 5pm on Independence Day, Friday, July 4. All other ARC clinics will be closed in observance of Independence Day.

Measles - Local update

Local health departments have not recommended additional vaccination beyond current guidelines. Texas health officials urge immunization to protect against and prevent the spread of measles. ARC has received additional vaccines for children and adults to keep the community protected. Read our measles vaccination guidelines.

Visit the DSHS website to track the current outbreak in Texas.

Pertussis - Local update

Pertussis, also known as whooping cough, is circulating in our area. The best thing you can do to guard your health against pertussis is check that you are up to date on your Tdap or DTap vaccines. If you suspect you may have contracted pertussis or came into contact with someone who was diagnosed, you should schedule an appointment with your primary care doctor or advanced practice clinician (APC). Read our pertussis local update.

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Keri Lee Pinnock, MD

Keri Lee T. Pinnock, MD Pronunciation Guide

Gastroenterology

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 Press Ganey to collect patient feedback about their doctor’s visit. We gather feedback from text surveys that are sent after the visit. Press Ganey 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.

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 Northwest Hills Specialty Ages seen: 18 - 99 Joined ARC: 2021

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About Keri Lee T. Pinnock, MD

  • Dr. Pinnock's last day at ARC will be Wednesday, May 21, 2025. Please see below for physicians and advanced practice clinician (APC) she recommends to patients wanting to transfer or establish care at ARC. Read letter.

    ARC Northwest Hills Specialty

    ARC Medical Plaza Specialty

    Dr. Pinnock grew up in the beautiful parish of St. Ann on the island of Jamaica, moving to New Jersey when she was a teen. In her free time, she loves spending time outdoors, going on walks with her husband, and gardening. Dr. Pinnock also enjoys music – both singing and dancing. Being relatively new to the Central Texas area, she looks forward to exploring the area – and enjoying Texas barbeque!

    Dr. Pinnock performs screenings and procedures at: 

I have always been interested in medicine, even as a child, but I really decided to become a doctor after my grandmother passed away due to complications of colon cancer. Unfortunately, as sometimes happens in Jamaica, she did not fully understand the implications of her diagnosis and treatment, nor did her family have the information to help make decisions about her care. That experience motivated me to go on to medical school and a Gastroenterology specialty. My practice is centered around communication and care, providing my patients with information to make an informed decision as I listen to their concerns. I treat each patient with the care and attention I would want for my family.

Services

Anoscopy

Anoscopy

An anoscopy is used to examine the anal canal and rectum with an anoscope to help diagnose anal and rectal conditions.

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Colonoscopy

Colonoscopy

A colonoscopy is a safe and effective way to test for cancer in the colon or rectum (colorectal cancer). A colon cancer screening is typically a 20-30-minute outpatient procedure performed at a hospital or surgery center.

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Colorectal Cancer Education, Prevention, Screening, and Treatment

Colorectal Cancer Education, Prevention, Screening, and Treatment

Screening tests for colorectal cancer, as well as methods to try to prevent it. In addition to regular colorectal cancer screenings, exercise and maintaining a healthy weight can reduce your risk of colorectal cancer.

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Diet Review, Education, Modification, and Management to Relieve Symptoms of Chronic GI Conditions

Diet Review, Education, Modification, and Management to Relieve Symptoms of Chronic GI Conditions

What you eat can contribute to digestive problems. Changing your diet and lifestyle, avoiding certain foods, and managing stress may offer significant benefits.

Esophageal Dilation

Esophageal Dilation

An esophageal dilation is used to widen a narrowed section of your esophagus, relieving difficulty swallowing or dysphagia.

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Flexible Sigmoidoscopy

Flexible Sigmoidoscopy

This procedure helps check the sigmoid colon, the inside of a part of the large intestine.

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Gastrointestinal Symptom and Condition Evaluation and Treatment

Gastrointestinal Symptom and Condition Evaluation and Treatment

Gastroenterologists and advanced practice clinicians (APCs) can evaluate and provide care for diseases that affect the digestive system, which includes the gastrointestinal tract (esophagus, stomach, small intestine, large intestine, rectum, and anus) as well as the pancreas, liver, bile ducts, and gallbladder.

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H Pylori Testing

H Pylori Testing

Helicobacter pylori (H. pylori) is a type of bacteria that infects your stomach. It can damage the tissue in your stomach and the first part of your small intestine.

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IV Drug Infusions

IV Drug Infusions

IV delivered drug infusions for patients with inflammatory bowel disease (IBD).

Small Bowel Enteroscopy

Small Bowel Enteroscopy

A small bowel enteroscopy is a test that allows a provider to examine the deeper small intestine.

Telemedicine Visits

Telemedicine Visits

ARC offers telemedicine visits for primary and specialty care. ARC doctors and advanced practice clinicians (APCs) can quickly evaluate you for a new health issue or follow up with you via a phone call or video visit from the comfort of your home.

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Upper Endoscopy

Upper Endoscopy

An upper endoscopy is a procedure to examine the inner lining of the upper digestive tract.

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Locations & Hours

Credentials

  • Board Certifications
    Board Certified in Internal Medicine and Gastroenterology
  • Fellowship
    Hepatology Fellow, The State University of New York, Downstate Medical Center, Brooklyn, NY, 2015
    Gastroenterology Fellow, Albany Medical Center, NY, 2018
  • Residency
    The State University of New York, Downstate Medical Center, Brooklyn, NY, 2014
  • Medical School
    Ross University School of Medicine, Portsmouth, Dominica, West Indies, 2011
  • Education
    B.A. in Art, The State University of New Jersey, New Brunswick, NJ, 2005
  • Professional Positions
    • Member, American College of Gastroenterology 
    • Member, American College of Physicians
    • Member, Travis County Medical Society 

Mentions

Dr. Pinnock is currently accepting new patients. Call to schedule at:

Surgical providers

Surgical providers are specially trained and licensed physicians who can perform surgical procedures to treat injuries, diseases, and other health conditions. Surgical providers can also diagnose and manage medical conditions, oversee pre-operative and post-operative care, and work closely with your primary care team to coordinate your care.

Non-surgical providers

Non-surgical providers are highly trained and licensed physicians, physician assistants, and nurse practitioners who specialize in diagnosing, managing, and treating medical conditions through non-surgical medical care.

Ages Seen

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