Matthew Meier
NPI 1578574372ActiveIndividual· Internal Medicine· O Fallon, MO
Internal Medicine with Aging Well Health Care, LLC and 1 other group, practicing in O Fallon, Missouri. Their prescriptions cost Medicare Part D more than their services did: $795,869 for 6,669 claims, against $54,012 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,179 in all, mostly food and beverage. Lists Ssm St Joseph Health Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1578574372 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Aug 10, 2006 |
| Last updated in NPPES | Apr 5, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | DOR9J58 | 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 - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 925 across 37 procedure codes |
| Paid by Medicare | $54,012 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,669 · 15,261 30-day fills |
|---|---|
| Patients | 426 |
| Total drug cost | $795,869 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Aging Well Health Care, LLCSaint Louis, MO · 238 clinicians
- Elite Physical Therapy of Creve Coeur LLCCreve Coeur, MO · 91 clinicians
Hospital affiliations
- Ssm St Joseph Health CenterSaint Charles, MO
- Ssm St Joseph Hospital WestLake Saint Louis, MO
Other facilities
- Community Loving Care HospiceHospice · Wentzville, MO
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$1,179 · 40 payments from 16 companies
- 2024$1,434 · 45 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $337.66 | 7 |
| Vanda Pharmaceuticals Inc. | $170.15 | 3 |
| Phathom Pharmaceuticals, Inc. | $129.67 | 2 |
| Glaxosmithkline, LLC. | $106.60 | 5 |
| Lilly USA, LLC | $105.05 | 5 |
What the 2025 payments were for
- Food and Beverage$1,179 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 internal medicine physicians in O Fallon · All internal medicine physicians in Missouri