What is Xiu Ying Au's background?

Dr. Au has over 12 years of experience in internal medicine. Dr. Au works within a group practice.

Does Xiu Ying Au take Medicare?

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

How do I reach Xiu Ying Au's office?

1045 N 30th St, Billings, MT 59101. Phone: (406) 238-2500. Virtual visits are also available for patients who prefer remote care.

How does a virtual visit with Dr. Au work?

Dr. Au'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.

Xiu Ying Au

Endocrinology, Diabetes & Metabolism

Internal Medicine

(406) 238-2500Billings, MT

Telehealth Available

NPI Active per CMS — Q2 2026

Telehealth Available NPI Active per CMS — Q2 2026

Xiu Ying Au has practiced internal medicine for 12+ years, working in group practice. She has been in practice for 12+ years. Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, and more.

1 of 10 Internal Medicine providers in MTSee all Internal Medicine in Billings|12+ years experience|NPI since 2019

Data updated 2024-06-20 on CMS NPPES

Contact & Location

Practice Location

1045 N 30th St, Billings, MT 59101-0733

(406) 238-2500

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Background & Specialty

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

Internal Medicine Endocrinology, Diabetes & Metabolism in BillingsAllopathic & 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 Xiu Ying Au

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

Schedule a virtual visit with Xiu Ying Au for follow-ups, medication reviews, and ongoing care — no travel to Billings required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Xiu Ying Au

NPI records show Dr. Au as active with telehealth listed in Billings, MT. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (406) 238-2500.

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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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