Navdeep Singh Chehl, M.D.
NPI 1730475534ActiveIndividual· Internal Medicine, Gastroenterology· Naperville, IL
Internal Medicine, Gastroenterology (M.D.) in Naperville, Illinois, trained at Jefferson Medical College of Thomas Jefferson University (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $183,040 for 568 claims, against $63,630 paid for services in 2024. Genzyme Corporation was the largest of 16 companies reporting payments in 2025, $8,561 in all, mostly consulting fees.
Overview
| NPI | 1730475534 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2011 |
| Last updated in NPPES | Jan 9, 2026 |
| Certified by provider | Jan 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036135501 | IL |
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 - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 593 across 32 procedure codes |
| Paid by Medicare | $63,630 |
Part D prescriptions in 2024
| Prescriptions (claims) | 568 · 1,146 30-day fills |
|---|---|
| Patients | 282 |
| Total drug cost | $183,040 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
- Illinois Gastroenterology Group LLCArlington Heights, IL · 115 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Edward HospitalNaperville, IL
- Uchicago Medicine Adventhealth BolingbrookBolingbrook, IL
- Uchicago Medicine Adventhealth HinsdaleHinsdale, IL
- Uchicago Medicine Adventhealth la GrangeLa Grange, IL
Industry payments (Open Payments)
- 2025$8,561 · 56 payments from 16 companies
- 2024$864.04 · 50 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $7,489 | 4 |
| Abbvie Inc. | $306.28 | 22 |
| Takeda Pharmaceuticals U.S.A., Inc. | $150.59 | 6 |
| Regeneron Healthcare Solutions, Inc. | $100.43 | 1 |
| Madrigal Pharmaceuticals | $88.66 | 4 |
What the 2025 payments were for
- Consulting Fee$7,200 · 1 payment
- Food and Beverage$1,361 · 55 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 gastroenterologists in Naperville · All gastroenterologists in Illinois