Leslie C. Grammer, MD
NPI 1487690285ActiveIndividual· Allergy & Immunology· Chicago, IL
Allergy & Immunology (MD) in Chicago, Illinois, trained at Northwestern University Feinberg Medical School (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $154,391 for 366 claims, against $47,391 paid for services in 2024. Hospira, Inc. reported $27.81 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1487690285 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 21, 2006 |
| Last updated in NPPES | Feb 9, 2024 |
| Certified by provider | Feb 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 036054997 | IL |
| Allergy & Immunology, Allergy | 207KA0200X | 036054997 | 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 - Allergy/Immunology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 203 |
|---|---|
| Services billed | 1,252 across 29 procedure codes |
| Paid by Medicare | $47,391 |
Part D prescriptions in 2024
| Prescriptions (claims) | 366 · 604 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $154,391 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Hospital affiliation
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2024$27.81 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Hospira, Inc. | $27.81 | 1 |
What the 2024 payments were for
- Food and Beverage$27.81 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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