Xiu Ying Au, MD

Endocrinology

7+ years in practiceNPI: 1659923712Licensed in NMLicensed in MT

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Credentials & Recognition

Specialties

Endocrinology

NPI sub-specialties

Student in an Organized Health Care Education/Training Program390200000X

Internal Medicine, Endocrinology, Diabetes & Metabolism207RE0101X

Student in an Organized Health Care Education/Training Program390200000X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

7+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#9

Top Endocrinologists in Montana, 2026

Endocrinology · Montana · 2026

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Frequently Asked Questions about Dr. Xiu Ying Au, MD

Where does Dr. Xiu Ying Au, MD practice?+
Dr. Xiu Ying Au, MD practices in New Jersey, NJ. 1045 N 30TH ST BILLINGS, MT 591010733.
What is Dr. Xiu Ying Au, MD's phone number?+
Dr. Xiu Ying Au, MD's practice phone is 406-238-2500. Office contact information is verified on the PBCMMG profile.
What does Dr. Xiu Ying Au, MD specialize in?+
Dr. Xiu Ying Au, MD's primary specialty is Endocrinology.
Is Dr. Xiu Ying Au, MD board certified?+
Board certification status for Dr. Xiu Ying Au, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Xiu Ying Au, MD been practicing?+
Dr. Xiu Ying Au, MD has been in active practice for 7+ years, based on NPI enumeration and state licensing records.
What is Dr. Xiu Ying Au, MD's NPI number?+
Dr. Xiu Ying Au, MD's National Provider Identifier (NPI) is 1659923712, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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