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Northern Light Endocrinology and Diabetes Care

Diabetes & Nutrition CenterBangor, ME

★★★★☆4.0/512 reviews across 2 platforms

Ratings by platform

  • WebMD (for Dr. Mark Henderson): 4.0 out of 5 stars (10 ratings)
  • Vitals (for Dr. Katarzyna Sadurska): 4.2 out of 5 stars (2 reviews)

What patients say

Patients praise

  • Professional demeanor of specific providers
  • Thorough and clear explanations of medical information
  • Caring and competent approach to patient care

Common complaints

  • Communication barriers (accent)
  • Perceived dismissive or insulting behavior by provider
  • Patient felt emotionally distressed during appointments

In patients' words

"Very professional. Takes time to explain things. Would highly recommend him."

WebMD patient review for Dr. Mark Henderson

"She doesn’t even deserve one star but that’s all they offer. She is so horrible. I cannot ever understand her... and always leaves me in tear at every appointment."

Vitals patient review for Dr. Katarzyna Sadurska

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7].

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