Andrew M. Kazdan, MD
NPI 1811963903ActiveIndividual· Internal Medicine· Florissant, MO
Internal Medicine (MD) with Mercy Clinic East Communities and 1 other group, practicing in Florissant, Missouri. Their prescriptions cost Medicare Part D more than their services did: $2,036,131 for 20,144 claims, against $98,524 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $1,362 in all, mostly food and beverage. Lists Alton Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1811963903 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Oct 14, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2003027904 | 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 | 310 |
|---|---|
| Services billed | 1,277 across 31 procedure codes |
| Paid by Medicare | $98,524 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20,144 · 45,641 30-day fills |
|---|---|
| Patients | 980 |
| Total drug cost | $2,036,131 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
- Aging Well Health Care, LLCSaint Louis, MO · 238 clinicians
Hospital affiliations
- Alton Memorial HospitalAlton, IL
- Memorial HospitalBelleville, IL
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
- Osf Saint Anthony's Health CenterAlton, IL
Other facilities
- Apollo MedicalHome health agency · Saint Louis, MO
- Mercy Home HealthHome health agency · Saint Louis, MO
- Osf Saint Anthony's Home HealthHome health agency · Alton, IL
Industry payments (Open Payments)
- 2025$1,362 · 82 payments from 19 companies
- 2024$930.88 · 59 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $206.22 | 12 |
| Amgen Inc. | $171.45 | 9 |
| Novo Nordisk Inc | $168.45 | 12 |
| Glaxosmithkline, LLC. | $161.76 | 16 |
| Novartis Pharmaceuticals Corporation | $112.25 | 4 |
What the 2025 payments were for
- Food and Beverage$1,362 · 82 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 internal medicine physicians in Florissant · All internal medicine physicians in Missouri