Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Xiu Ying Au

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1659923712

Xiu Ying Au is an Endocrinology in Billings, Montana. Qualified in 2014, 12 years ago. Practices with Billings Clinic, a 805-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Montana and New Mexico.

Years since qualifying
12
Licensed in
MT, NM
In the registry since
2019
Specialties on file
3
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Practice location Address checks out

1045 N 30th St
Billings, MT 59101-0733
Phone: (406) 238-2500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 601 Hamilton Ave, Trenton, NJ 08629-1915 — (609) 599-5000
  • Msc10 5550 1 University Of New Mexico, Albuquerque, NM 87131-0001 — (505) 272-4661

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 130241 (MT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (NM)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1659923712
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 9, 2019
Last updated in NPPESJune 20, 2024
Certification dateJune 20, 2024
Mailing address1045 N 30th St, Billings, MT 59101-0733

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Billings Clinic — 805 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Billings