Xiu Ying Au

Endocrinology, Diabetes & Metabolism

Internal Medicine

Xiu Ying Au is an Endocrinology, Diabetes & Metabolism specialist based in Billings, MT with over 12 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(406) 238-2500Billings, MT
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

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 11 Internal Medicine providers in MTSee all Internal Medicine in Billings12+ years experienceNPI since 2019

Older · 703dNPPES updated 2024-06-20 · verify NPI on CMS · Verify license at Montana Board of Medical Examiners

Contact & Location

Practice Location

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

Industry Payment Transparency

$104 received from industry

4 transactions reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Xiu Ying Au's NPI.

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Background & Specialty

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

Career Journey
  1. Board certified · Jun 19, 2024

    Self-reported via NPPES

  2. 12 years in practice

    Established

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. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Xiu Ying Au

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

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024. See Data Methodology.

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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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