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Internal Medicine, Endocrinology, Diabetes & Metabolism in Billings, MT
Xiu Ying Au in Billings, MT
Xiu Ying Au is an endocrinologist at 1045 N 30TH St in Billings, MT. View phone 406-238-2500 and NPI 1659923712.
- Specialty
- Internal Medicine, Endocrinology, Diabetes & Metabolism
- Location
- Billings, MT
- NPI
- 1659923712
- Pricing
- Current estimate required
Pricing information
Loa does not yet have a verified provider-submitted price for this listing. Ask the provider and your insurer for a current estimate before scheduling care.
About Internal Medicine, Endocrinology, Diabetes & Metabolism
Endocrinology providers diagnose and manage thyroid conditions, diabetes, and other hormone or metabolic disorders. Common services include consultations, thyroid testing, diabetes monitoring, and follow-up visits.
Common services and price guides
- Thyroid Panel (TSH Test)Typical range: $25-$250
- Hemoglobin A1C TestTypical range: $15-$150
- Doctor Office VisitTypical range: $100-$350
- New Patient VisitTypical range: $150-$500
CMS Medicare clinician details
For NPI 1659923712, the CMS Doctors and Clinicians National Downloadable File released July 9, 2026 reports Endocrinology.
- Medicare assignment
- Accepts the Medicare-approved amount
- Graduation year
- 2014
- Telehealth
- Medicare claims indicate telehealth services
CMS enrollment records list group affiliations including Billings Clinic.
Review the CMS source dataset. Confirm current participation and services directly with the provider.
How to confirm pricing with Xiu Ying Au
Published and estimated prices are a starting point. Confirm these details before scheduling to avoid surprises.
Confirm the billing code and setting
Verify the CPT or other billing code and whether care is billed as an office, outpatient, or hospital service.
Check insurance benefits
Ask your insurer about network status, deductible progress, prior authorization, and expected patient responsibility.
Get an itemized estimate
Compare the written estimate with source-labeled prices and ask which additional services could be billed.
Related provider profiles
- Reed Stanton Christensen M.D.Internal Medicine, Endocrinology, Diabetes & MetabolismBILLINGS, MT
- Samah Abu Omar MDInternal Medicine, Endocrinology, Diabetes & MetabolismBOZEMAN, MT
- Christopher M Corsi MDInternal Medicine, Endocrinology, Diabetes & MetabolismMISSOULA, MT
- Michele A Danicich MDInternal Medicine, Endocrinology, Diabetes & MetabolismMISSOULA, MT
Provider record and data sources
Xiu Ying Au is published from source-labeled provider data. Registry classifications, practice locations, network participation, and contact information can change, so verify current details before care, billing, or referral.
- Primary taxonomyInternal Medicine, Endocrinology, Diabetes & Metabolism (207RE0101X)
- NPI record datesEnumerated July 9, 2019; certified June 20, 2024
- Other registry locationsTrenton, NJ and Albuquerque, NM
Source: NPI Registry. Source record updated June 20, 2024. Loa profile refreshed Jul 21, 2026.
Frequently asked questions
Can I see prices for Xiu Ying Au?
Loa does not yet have a verified provider-submitted price for Xiu Ying Au. Ask the office for a written self-pay estimate and compare nearby source-labeled prices before scheduling.
What information is shown for Xiu Ying Au?
This profile shows public provider information for Internal Medicine, Endocrinology, Diabetes & Metabolism in Billings, MT, including contact details, NPI source information, and source-labeled price context when available.
What NPI taxonomy is listed for Xiu Ying Au?
Xiu Ying Au is listed as an NPI individual under Internal Medicine, Endocrinology, Diabetes & Metabolism (207RE0101X). Registry classifications can change and do not guarantee that every listed service is currently offered.
Where else does the NPI Registry list Xiu Ying Au?
The NPI Registry also lists practice locations in Trenton, NJ and Albuquerque, NM for Xiu Ying Au. Registry locations can change, so confirm the current office before visiting, billing, or making a referral.
When was NPI 1659923712 assigned to Xiu Ying Au?
The NPI Registry lists July 9, 2019 as the enumeration date for NPI 1659923712. The record certification date is June 20, 2024. These are registry dates, not necessarily the date the provider began practicing.
What Medicare specialty does CMS list for Xiu Ying Au?
The CMS Doctors and Clinicians file lists Endocrinology for NPI 1659923712. Medicare enrollment details can change, so confirm current credentials, participation, and services directly.
Does Xiu Ying Au accept Medicare assignment?
The CMS record indicates that Xiu Ying Au accepts the Medicare-approved amount as payment in full. Confirm current participation, network status, and patient responsibility before care.
Does CMS list telehealth services for Xiu Ying Au?
Yes. Medicare fee-for-service claims in the CMS Doctors and Clinicians dataset indicate telehealth services for NPI 1659923712. This does not guarantee current telehealth availability, so confirm directly with the provider.
How should I confirm care details with Xiu Ying Au?
Contact the office before care to confirm the location, appointment availability, network participation, exact service and billing code, and all expected professional or facility fees.
How can Xiu Ying Au update this profile?
The provider or an authorized representative can claim the profile or suggest a correction. Loa reviews submitted changes before publishing them.