Ammara Aziz, MD
NPI 1336407998ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Buffalo Grove, IL
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Endeavor Health Medical Group, practicing in Buffalo Grove, Illinois. Their prescriptions cost Medicare Part D more than their services did: $852,040 for 1,524 claims, against $52,445 paid for services in 2024. Amgen Inc. was the largest of 7 companies reporting payments in 2025, $590.30 in all, mostly food and beverage. Lists Northwest Community Hospital 1 as a hospital affiliation.
Overview
| NPI | 1336407998 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2012 |
| Last updated in NPPES | Jan 25, 2023 |
| Certified by provider | Jan 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 036154001 | IL |
| Internal Medicine | 207R00000X | 57461-20 | WI |
| Internal Medicine | 207R00000X | 125056074 | IL |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 01077435A | IN |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 30661 | OK |
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 - Endocrinology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 214 |
|---|---|
| Services billed | 803 across 17 procedure codes |
| Paid by Medicare | $52,445 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,524 · 3,265 30-day fills |
|---|---|
| Patients | 231 |
| Total drug cost | $852,040 |
| Generic share | 39% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
- Northwest Community Hospital 1Arlington Heights, IL
Industry payments (Open Payments)
- 2025$590.30 · 24 payments from 7 companies
- 2024$400.27 · 18 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $197.74 | 5 |
| Lilly USA, LLC | $124.84 | 5 |
| Radius Health, Inc. | $94.87 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $86.99 | 5 |
| Abbvie Inc. | $46.17 | 2 |
What the 2025 payments were for
- Food and Beverage$590.30 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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