Anuj Chhaparia, M.D.
NPI 1457747859ActiveIndividual· Internal Medicine, Gastroenterology· Saint Peters, MO
Internal Medicine, Gastroenterology (M.D.) with Physician Groups Lc, practicing in Saint Peters, Missouri. Their prescriptions cost Medicare Part D more than their services did: $203,209 for 871 claims, against $59,111 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 4 companies reporting payments in 2025, $240.33 in all, mostly food and beverage. Lists Barnes Jewish Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1457747859 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 13, 2015 |
| Last updated in NPPES | Jun 28, 2023 |
| Certified by provider | Jun 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 2018023702 | MO |
| Internal Medicine | 207R00000X | 2018023702 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 622 across 36 procedure codes |
| Paid by Medicare | $59,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 871 · 1,076 30-day fills |
|---|---|
| Patients | 410 |
| Total drug cost | $203,209 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Physician Groups LcFarmington, MO · 521 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish St Peters HospitalSaint Peters, MO
- Missouri Baptist Medical CenterSaint Louis, MO
- Progress West HospitalOfallon, MO
Industry payments (Open Payments)
- 2025$240.33 · 4 payments from 4 companies
- 2024$848.41 · 37 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $103.96 | 1 |
| Janssen Biotech, Inc. | $94.80 | 1 |
| Amgen Inc. | $22.43 | 1 |
| Abbvie Inc. | $19.14 | 1 |
What the 2025 payments were for
- Food and Beverage$240.33 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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