Zhen Ren, MD
NPI 1982026696ActiveIndividual· Allergy & Immunology· Saint Louis, MO
Allergy & Immunology (MD) with Washington University, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $412,059 for 283 claims, against $52,230 paid for services in 2024. Biocryst US Sales Co., LLC reported $103.45 in payments in 2024, mostly food and beverage. Lists Barnes Jewish Hospital as a hospital affiliation.
Overview
| NPI | 1982026696 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 15, 2014 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 2017028834 | 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 - Allergy/Immunology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 91 |
|---|---|
| Services billed | 2,319 across 22 procedure codes |
| Paid by Medicare | $52,230 |
Part D prescriptions in 2024
| Prescriptions (claims) | 283 · 389 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $412,059 |
| Generic share | 52% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliation
- Barnes Jewish HospitalSaint Louis, MO
Industry payments (Open Payments)
- 2024$103.45 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Biocryst US Sales Co., LLC | $103.45 | 1 |
What the 2024 payments were for
- Food and Beverage$103.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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