What is Raquel De Leon Anel-Tiangco's background?

Dr. Anel-Tiangco has over 23 years of experience in internal medicine. Dr. Anel-Tiangco works within a group practice.

Does Raquel De Leon Anel-Tiangco take Medicare?

Dr. Anel-Tiangco has a Medicare provider ID. Contact the office to confirm enrollment and other coverage.

How do I reach Raquel De Leon Anel-Tiangco's office?

1315 S. Cliff Ave., Ste. 3000, Sioux Falls, SD 57105. Phone: (605) 322-7600. Fax: (605) 322-7601. Virtual visits are also available for patients who prefer remote care.

How does a virtual visit with Dr. Anel-Tiangco work?

Dr. Anel-Tiangco's office sends a secure video link before your appointment. You can join from any device with a camera — phone, tablet, or laptop. Most visits take 15–30 minutes. See the telehealth section above for what to prepare.

Raquel De Leon Anel-Tiangco, M.D.

Endocrinology, Diabetes & Metabolism

Internal Medicine

(605) 322-7600Sioux Falls, SD

Telehealth Available

NPI Active per CMS — Q2 2026

Telehealth Available NPI Active per CMS — Q2 2026

Raquel De Leon Anel-Tiangco, M.D. has practiced internal medicine for 23+ years, working in group practice. With 23+ years of experience, she has been practicing in the Sioux Falls area. Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, and more.

1 of 12 Internal Medicine providers in SDSee all Internal Medicine in Sioux Falls|23+ years experience|NPI since 2007

Data updated 2018-10-11 on CMS NPPES

Contact & Location

Practice Location

1315 S. Cliff Ave. Ste. 3000, Sioux Falls, SD 57105-1061

(605) 322-7600

Fax: (605) 322-7601

Patient Reviews

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal Medicine Endocrinology, Diabetes & Metabolism in Sioux FallsAllopathic & Osteopathic Physicians

Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).

Taxonomy: 207RE0101X

Virtual Endocrinology, Diabetes & Metabolism Care With Raquel De Leon Anel-Tiangco

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Raquel De Leon Anel-Tiangco for follow-ups, medication reviews, and ongoing care — no travel to Sioux Falls required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Raquel De Leon Anel-Tiangco

NPI records show Dr. Anel-Tiangco as active with telehealth listed in Sioux Falls, SD. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (605) 322-7600.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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