David L. Grinblatt, MD
NPI 1548285372ActiveIndividual· Internal Medicine, Hematology· Evanston, IL
Internal Medicine, Hematology (MD) in Evanston, Illinois, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $8,218,852 for 1,922 claims, against $150,742 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2024, $70,755 in all, mostly consulting fees.
Overview
| NPI | 1548285372 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Dec 8, 2020 |
| Certified by provider | Dec 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | 036077054 | 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 - Hematology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 569 |
|---|---|
| Services billed | 2,308 across 19 procedure codes |
| Paid by Medicare | $150,742 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,922 · 2,901 30-day fills |
|---|---|
| Patients | 223 |
| Total drug cost | $8,218,852 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Hematology |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2024$70,755 · 49 payments from 4 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $66,336 | 45 |
| Beigene USA, Inc. | $2,625 | 1 |
| Astrazeneca Pharmaceuticals LP | $1,715 | 2 |
| E.R. Squibb & Sons, L.L.C. | $79.00 | 1 |
What the 2024 payments were for
- Consulting Fee$35,540 · 6 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$30,030 · 6 payments
- Travel and Lodging$4,457 · 28 payments
- Food and Beverage$728.94 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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