Achal Garbharran, MD
NPI 1942421144ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Crystal Lake, IL
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Crystal Lake, Illinois, trained at University of Tennessee, Hsc, College of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $2,320,257 for 5,611 claims, against $206,549 paid for services in 2024. Insulet Corporation was the largest of 3 companies reporting payments in 2025, $361.75 in all, mostly food and beverage.
Overview
| NPI | 1942421144 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 2, 2007 |
| Last updated in NPPES | Oct 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 036112924 | 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 - Endocrinology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 766 |
|---|---|
| Services billed | 6,681 across 28 procedure codes |
| Paid by Medicare | $206,549 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,611 · 13,023 30-day fills |
|---|---|
| Patients | 722 |
| Total drug cost | $2,320,257 |
| Generic share | 37% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Advocate Sherman HospitalElgin, IL
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine McHenryMcHenry, IL
Industry payments (Open Payments)
- 2025$361.75 · 3 payments from 3 companies
- 2024$352.40 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insulet Corporation | $132.17 | 1 |
| Dexcom, Inc. | $121.98 | 1 |
| Beta Bionics, Inc. | $107.60 | 1 |
What the 2025 payments were for
- Food and Beverage$361.75 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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