Massini Alexander Merzkani, MD
NPI 1184985566ActiveIndividual· Internal Medicine, Nephrology· Saint Louis, MO
Internal Medicine, Nephrology (MD) with Washington University, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $439,678 for 8,143 claims, against $125,639 paid for services in 2024. Travere Therapeutics, Inc. reported $128.05 in payments in 2024, mostly food and beverage. Lists Barnes Jewish Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1184985566 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 1, 2012 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 2020012683 | MO |
| Internal Medicine | 207R00000X | 2020012683 | 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 - Nephrology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 380 |
|---|---|
| Services billed | 3,142 across 34 procedure codes |
| Paid by Medicare | $125,639 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,143 · 12,123 30-day fills |
|---|---|
| Patients | 867 |
| Total drug cost | $439,678 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Christian Hospital NortheastSaint Louis, MO
- Memorial HospitalBelleville, IL
- Parkland Health CenterFarmington, MO
Industry payments (Open Payments)
- 2024$128.05 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $128.05 | 2 |
What the 2024 payments were for
- Food and Beverage$124.97 · 1 payment
- Education$3.08 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 111 nephrologists in Saint Louis · All nephrologists in Missouri