Anshuman Chawla, M.D.
NPI 1841276417ActiveIndividual· Internal Medicine, Gastroenterology· Downers Grove, IL
Internal Medicine, Gastroenterology (M.D.) with Carle Health Care Incorporated and 1 other group, practicing in Downers Grove, Illinois. Their prescriptions cost Medicare Part D more than their services did: $140,222 for 892 claims, against $91,282 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 24 companies reporting payments in 2025, $13,082 in all, mostly speaking and faculty fees. Lists Advocate Good Samaritan Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1841276417 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 15, 2005 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | — | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 874 across 30 procedure codes |
| Paid by Medicare | $91,282 |
Part D prescriptions in 2024
| Prescriptions (claims) | 892 · 1,470 30-day fills |
|---|---|
| Patients | 399 |
| Total drug cost | $140,222 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Carle Health Care IncorporatedUrbana, IL · 1,666 clinicians
- Gi Partners of Illinois PLLCLibertyville, IL · 39 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Advocate Illinois Masonic Medical CenterChicago, IL
- Carle Foundation HospitalUrbana, IL
Industry payments (Open Payments)
- 2025$13,082 · 158 payments from 24 companies
- 2024$28,980 · 213 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $8,894 | 16 |
| Olympus Medical Systems Corporation | $875.00 | 1 |
| Abbvie Inc. | $653.90 | 29 |
| Takeda Pharmaceuticals U.S.A., Inc. | $572.14 | 26 |
| Madrigal Pharmaceuticals | $290.10 | 14 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,000 · 3 payments
- Food and Beverage$3,818 · 153 payments
- Travel and Lodging$1,389 · 1 payment
- Consulting Fee$875.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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