Doctor profile · Federal record
Dr. Xiu Ying Au
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Student in an Organized Health Care Education/Training Program · Student in an Organized Health Care Education/Training Program · Billings, MT
- NPI 1659923712
- Accepts Medicare
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1045 N 30Th St
Billings, MT 591010733
(406) 238-2500 - Additional location
-
601 Hamilton Ave
Trenton, NJ 086291915
(609) 599-5000 - Additional location
-
Msc10 5550 1 University of New Mexico
Albuquerque, NM 871310001
(505) 272-4661
fax (505) 272-0475
Credentials & registration
- NPI registered
- July 2019 — 7 yrs on file
- Profile last updated
- June 20, 2024
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Montana #130241
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659923712. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$104
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $31.56 | |
| Corcept Therapeutics | 1 | $29.10 | |
| Novo Nordisk INC | 1 | $22.60 | |
| Beta Bionics, INC. | 1 | $20.42 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
93
Patients
11
Total drug cost
$24,119
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 36 | 11 | $882 |
| Hydrocortisone | Generic | 23 | 0 | $751 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 12 | 0 | $5,735 |
| Novolog (Insulin Aspart) | Brand | 11 | 0 | $6,198 |
| Ozempic (Semaglutide) | Brand | 11 | 0 | $10,553 |
Frequently asked questions
What is Dr. Xiu Ying Au's medical specialty?
Dr. Xiu Ying Au practices Endocrinology, Diabetes & Metabolism Physician in Billings, MT.
Where does Dr. Xiu Ying Au practice?
Dr. Xiu Ying Au practices at 1045 N 30Th St, Billings, MT 591010733. Office phone: 4062382500.
What is Dr. Xiu Ying Au's NPI?
Dr. Xiu Ying Au's National Provider Identifier (NPI) is 1659923712, issued by NPPES.
Does Dr. Xiu Ying Au accept Medicare assignment?
Yes. Dr. Xiu Ying Au accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.