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About Me

Experience

Education

College of Medicine, University of the Philippines

Residency

Internal Medicine; University of Illinois at Chicago - Advocate Christ Medical Center

Fellowship

Endocrinology; Penn State Milton S. Hershey Medical Center, Hershey

Certifications

American Board of Internal Medicine; American Board of Internal Medicine - Endocrinology, Diabetes & Metabolism

Reviews

We value patient feedback and are committed to providing you with information, so you can make informed decisions about your health care, physicians and other providers in your care journey. Patient ratings and comments are gathered from the post-visit experience survey. Learn more.

September 15, 2025
I've never felt so unseen at a doctors.
September 15, 2025
Always a good experience.
September 10, 2025
Dr is always teaching me and guiding me to learn about my life long condition and I trust she will keep me informed and safe as I navigate options.
August 24, 2025
Dr Tiangco and nurse are the absolute best!!
July 30, 2025
Dr Anel Tiango is the best there is!
June 29, 2025
I got explanations I have not had in the past. So grateful.
June 14, 2025
Excellent service
June 14, 2025
Great
June 05, 2025
Always a pleasure to see & visit with Dr Anel Tiangco! So thorough & reassuring! She is the best!!!
June 05, 2025
Very professional and thorough in her description of lab and imaging results
May 18, 2025
Dr was very thorough and explained everything very well !!
May 06, 2025
Doctor discussed possible treatments/surgeries. But would have been nice to have a little information as far as timelines for these.
April 20, 2025
Dr. Was fantastic
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Directory Disclaimers

This directory contains information about the provider members of Independent Health Care Associates, Avera Health and all Avera entities, members of the Avera Medical Group, and employed select providers with Avera McKennan, Sioux Falls, SD and Avera Marshall, Marshall, MN and physicians with hospital privileges at Avera St. Luke's, Aberdeen, SD; Avera Sacred Heart, Yankton, SD; Avera Queen of Peace, Mitchell, SD; Avera St. Mary's, Pierre, SD.

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