Ravi Kalhan, M.D.
NPI 1629017009ActiveIndividual· Internal Medicine, Pulmonary Disease· Chicago, IL
Internal Medicine, Pulmonary Disease (M.D.) in Chicago, Illinois, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,954,905 for 2,360 claims, against $58,115 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 7 companies reporting payments in 2025, $66,824 in all, mostly speaking and faculty fees.
Overview
| NPI | 1629017009 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 4, 2006 |
| Last updated in NPPES | Sep 1, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036-108872 | 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 - Pulmonary Disease (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 287 |
|---|---|
| Services billed | 774 across 19 procedure codes |
| Paid by Medicare | $58,115 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,360 · 4,277 30-day fills |
|---|---|
| Patients | 401 |
| Total drug cost | $1,954,905 |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Industry payments (Open Payments)
- 2025$66,824 · 101 payments from 7 companies
- 2024$72,382 · 82 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $47,113 | 48 |
| Astrazeneca Pharmaceuticals LP | $17,882 | 45 |
| Verona Pharma, Inc. | $1,693 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $46.73 | 1 |
| Regeneron Healthcare Solutions, Inc. | $35.69 | 1 |
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$49,620 · 27 payments
- Consulting Fee$11,349 · 5 payments
- Travel and Lodging$3,795 · 6 payments
- Food and Beverage$2,060 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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