Gautam Borthakur, M.D.
NPI 1629177944ActiveIndividual· Internal Medicine, Hematology· Chicago, IL
Internal Medicine, Hematology (M.D.) with Physicians Referral Service, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $369,911 for 232 claims, against $51,715 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $151.62 in all, mostly food and beverage.
Overview
| NPI | 1629177944 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 22, 2006 |
| Last updated in NPPES | Aug 18, 2026 |
| Certified by provider | Aug 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | 036.181720 | IL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 036.181720 | 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 - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 177 |
|---|---|
| Services billed | 689 across 13 procedure codes |
| Paid by Medicare | $51,715 |
Part D prescriptions in 2024
| Prescriptions (claims) | 232 · 249 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $369,911 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$151.62 · 5 payments from 4 companies
- 2024$112.20 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $80.29 | 2 |
| Geron Corporation | $32.00 | 1 |
| Incyte Corporation | $20.68 | 1 |
| Celgene Corporation | $18.65 | 1 |
What the 2025 payments were for
- Food and Beverage$151.62 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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