Thien-An Hoang, M.D
NPI 1871792796ActiveIndividual· Family Medicine· Lake St Louis, MO
Family Medicine (M.D) with Aging Well Health Care, LLC and 1 other group, practicing in Lake St Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $733,046 for 11,179 claims, against $34,623 paid for services in 2024. Novo Nordisk Inc was the largest of 11 companies reporting payments in 2025, $438.92 in all, mostly food and beverage. Lists Barnes-Jewish St Peters Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1871792796 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jul 11, 2007 |
| Last updated in NPPES | Feb 18, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2013041288 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 119 |
|---|---|
| Services billed | 1,172 across 56 procedure codes |
| Paid by Medicare | $34,623 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,179 · 25,649 30-day fills |
|---|---|
| Patients | 679 |
| Total drug cost | $733,046 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Aging Well Health Care, LLCSaint Louis, MO · 238 clinicians
- American Multispecialty Group IncSaint Charles, MO · 116 clinicians
Hospital affiliations
- Barnes-Jewish St Peters HospitalSaint Peters, MO
- Mercy Hospital St LouisSaint Louis, MO
- Progress West HospitalOfallon, MO
- Ssm St Joseph Health CenterSaint Charles, MO
- Ssm St Joseph Hospital WestLake Saint Louis, MO
Other facilities
- Nineveh HospiceHospice · St Charles, MO
- St Croix HospiceHospice · Saint Peters, MO
Industry payments (Open Payments)
- 2025$438.92 · 22 payments from 11 companies
- 2024$471.50 · 25 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $94.96 | 5 |
| Pfizer Inc. | $79.27 | 4 |
| Amgen Inc. | $61.01 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $40.17 | 2 |
| Kowa Pharmaceuticals America, Inc. | $28.75 | 2 |
What the 2025 payments were for
- Food and Beverage$438.92 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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