Ravi K. Sundaram, D.O.
NPI 1811040595ActiveIndividual· Internal Medicine, Pulmonary Disease· Olympia Fields, IL
Internal Medicine, Pulmonary Disease (D.O.) in Olympia Fields, Illinois, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $126,886 for 281 claims, against $73,923 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 18 companies reporting payments in 2025, $1,328 in all, mostly food and beverage.
Overview
| NPI | 1811040595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jan 18, 2007 |
| Last updated in NPPES | Jul 9, 2024 |
| Certified by provider | Jul 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036113457 | IL |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 36113457 | IL |
| Internal Medicine, Sleep Medicine | 207RS0012X | 36113457 | 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 | 356 |
|---|---|
| Services billed | 857 across 31 procedure codes |
| Paid by Medicare | $73,923 |
Part D prescriptions in 2024
| Prescriptions (claims) | 281 · 426 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $126,886 |
| Generic share | 31% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical groups
- Prime Healthcare Illinois Medical Group LLCChicago, IL · 322 clinicians
- Specialty Physicians of Illinois LLCOlympia Fields, IL · 102 clinicians
- Critical Care Physicians of Illinois LLCArlington Heights, IL · 38 clinicians
Hospital affiliations
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL
- Ingalls Memorial HospitalHarvey, IL
Industry payments (Open Payments)
- 2025$1,328 · 68 payments from 18 companies
- 2024$813.68 · 42 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $326.70 | 26 |
| Insmed, Inc. | $199.12 | 9 |
| Jazz Pharmaceuticals Inc. | $127.32 | 4 |
| Grifols USA, LLC | $91.37 | 4 |
| Viatris Specialty LLC | $73.11 | 3 |
What the 2025 payments were for
- Food and Beverage$1,328 · 68 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Olympia Fields
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