Ranjan B. Singh, MD
NPI 1972783801ActiveIndividual· Anesthesiology· Chicago, IL
Anesthesiology (MD) with Midwest Anesthesia Partners LLC, practicing in Chicago, Illinois. Medicare paid $18,601 for services to 121 patients in 2024. Phathom Pharmaceuticals, Inc. reported $110.10 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1972783801 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 8, 2007 |
| Last updated in NPPES | Nov 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 036114684 | 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 - Anesthesiology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 143 across 34 procedure codes |
| Paid by Medicare | $18,601 |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- Midwest Anesthesia Partners LLCHinsdale, IL · 119 clinicians
Industry payments (Open Payments)
- 2025$110.10 · 1 payment from 1 company
- 2024$41.83 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $110.10 | 1 |
What the 2025 payments were for
- Food and Beverage$110.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,192 anesthesiologists in Chicago · All anesthesiologists in Illinois