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Endocrinology - Find a Doctor | Northwest Texas Healthcare ...

EndocrinologyAmarillo, TX

★★★★☆4.1/5247 reviews across 5 platforms

Ratings by platform

  • US News - Dr. William C. Biggs: 4/5 (10)
  • US News - Dr. Kenny M. Brantley: 4/5 (27)
  • US News - Dr. Stephen J. Usala: 5/5 (147)
  • US News - Dr. Susan T. Wingo: 2/5 (63)
  • Healthgrades - Dr. Debora Carrizo: 3.67/5

What patients say

Patients praise

  • Friendly nursing and medical staff reported in some cases
  • Some providers described as knowledgeable and thorough
  • Facility reported as generally clean

Common complaints

  • Difficulties with billing and payment systems
  • Long wait times at the hospital and doctor's offices
  • Reports of poor bedside manner or communication by some providers
  • Concerns regarding the management of specific endocrine or autoimmune conditions

In patients' words

"He was treating her after Graves disease, and he insisted on keeping her in a hypothyroid state. She was absolutely miserable... We barely made it to a new doctor."

Healthgrades patient review for Dr. William Biggs

"This place is incompetent when it comes to billing. I paid them twice already for the same services. I continue to receive billing notices and phone calls."

Amarillo-Texas.uscompanies.net review for Northwest Texas Healthcare System

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6].

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