Parambir Singh Dulai, M.B.B.S
NPI 1811214364ActiveIndividual· Internal Medicine, Gastroenterology· Chicago, IL
Internal Medicine, Gastroenterology (M.B.B.S) with Northwestern Medical Faculty Foundation, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $121,487 for 89 claims, against $7,461 paid for services in 2024. Janssen Biotech, Inc. was the largest of 10 companies reporting payments in 2025, $180,399 in all, mostly speaking and faculty fees. Lists Northwestern Medicine Central Dupage Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1811214364 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.B.B.S |
| Sole proprietor | No |
| NPI issued | Apr 23, 2010 |
| Last updated in NPPES | Feb 23, 2022 |
| Certified by provider | Feb 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036158764 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | A130399 | CA |
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 | 43 |
|---|---|
| Services billed | 63 across 19 procedure codes |
| Paid by Medicare | $7,461 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 141 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $121,487 |
| Generic share | 67% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$180,399 · 97 payments from 10 companies
- 2024$229,866 · 145 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $60,992 | 36 |
| Takeda Pharmaceuticals U.S.A., Inc. | $39,093 | 14 |
| Abbvie Inc. | $32,357 | 20 |
| Genzyme Corporation | $16,995 | 6 |
| Janssen Global Services, LLC | $10,974 | 11 |
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$80,763 · 26 payments
- Consulting Fee$78,711 · 28 payments
- Travel and Lodging$19,189 · 19 payments
- Food and Beverage$1,736 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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