Marketa Kasalova, M.D.
NPI 1922200617ActiveIndividual· Internal Medicine· Hazelwood, MO
Internal Medicine (M.D.) with Mercy Clinic East Communities, practicing in Hazelwood, Missouri. Their prescriptions cost Medicare Part D more than their services did: $1,447,664 for 14,901 claims, against $59,326 paid for services in 2024. Amgen Inc. was the largest of 15 companies reporting payments in 2025, $752.98 in all, mostly food and beverage. Lists Mercy Hospital St Louis and 1 other hospital as hospital affiliations.
Overview
| NPI | 1922200617 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 4, 2007 |
| Last updated in NPPES | Apr 16, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2007010298 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 219 |
|---|---|
| Services billed | 857 across 42 procedure codes |
| Paid by Medicare | $59,326 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,901 · 33,630 30-day fills |
|---|---|
| Patients | 956 |
| Total drug cost | $1,447,664 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliations
- Mercy Hospital St LouisSaint Louis, MO
- Missouri Baptist Medical CenterSaint Louis, MO
Other facilities
- Amedisys Home Health of MissouriHome health agency · Hillsboro, MO
- Mercy Home HealthHome health agency · Saint Louis, MO
- Mercy HospiceHospice · Saint Louis, MO
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$752.98 · 40 payments from 15 companies
- 2024$508.90 · 27 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $114.71 | 6 |
| Glaxosmithkline, LLC. | $98.59 | 6 |
| Novo Nordisk Inc | $81.24 | 4 |
| Astrazeneca Pharmaceuticals LP | $64.25 | 4 |
| Pfizer Inc. | $64.20 | 4 |
What the 2025 payments were for
- Food and Beverage$752.98 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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