Jeffrey Allen Grinblatt, MD
NPI 1679580039ActiveIndividual· Internal Medicine· Skokie, IL
Internal Medicine (MD) in Skokie, Illinois, trained at Northwestern University Feinberg Medical School (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $690,326 for 8,147 claims, against $123,653 paid for services in 2024. Novo Nordisk Inc was the largest of 22 companies reporting payments in 2025, $1,343 in all, mostly food and beverage.
Overview
| NPI | 1679580039 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036081091 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 413 |
|---|---|
| Services billed | 1,372 across 27 procedure codes |
| Paid by Medicare | $123,653 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,147 · 19,013 30-day fills |
|---|---|
| Patients | 624 |
| Total drug cost | $690,326 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Advocate Lutheran General HospitalPark Ridge, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Saint Francis Hospital-EvanstonEvanston, IL
- Swedish HospitalChicago, IL
Other facilities
- Entera Healthcare, Ltd.Home health agency · Rosemont, IL
- Excellent Home Health Care, IncHome health agency · Skokie, IL
- Home Care ExpertsHome health agency · Burr Ridge, IL
- Residential Home HealthHome health agency · Northbrook, IL
Industry payments (Open Payments)
- 2025$1,343 · 71 payments from 22 companies
- 2024$1,258 · 77 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $328.40 | 19 |
| Astrazeneca Pharmaceuticals LP | $148.79 | 15 |
| Lilly USA, LLC | $118.88 | 5 |
| Exact Sciences Corporation | $89.75 | 4 |
| Sobi, Inc | $85.00 | 1 |
What the 2025 payments were for
- Food and Beverage$1,258 · 70 payments
- Education$85.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 98 internal medicine physicians in Skokie · All internal medicine physicians in Illinois