Marjan Karegar, M.D.
NPI 1669621884ActiveIndividual· Specialist· Columbia, SC
Specialist (M.D.) with Laurel Endocrine Thyroid Specialist Inc, practicing in Columbia, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $1,719,169 for 4,819 claims, against $187,180 paid for services in 2024. Dexcom, Inc. was the largest of 29 companies reporting payments in 2025, $2,795 in all, mostly food and beverage. Lists Lexington Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1669621884 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 11, 2008 |
| Last updated in NPPES | Sep 18, 2020 |
| Certified by provider | Sep 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 34132 | SC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 845 |
|---|---|
| Services billed | 4,315 across 21 procedure codes |
| Paid by Medicare | $187,180 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,819 · 10,106 30-day fills |
|---|---|
| Patients | 744 |
| Total drug cost | $1,719,169 |
| Generic share | 38% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Endocrinology |
Medical group
- Laurel Endocrine Thyroid Specialist IncColumbia, SC · 4 clinicians
Hospital affiliations
- Lexington Medical CenterWest Columbia, SC
- Musc Health Columbia Medical Center DowntownColumbia, SC
- Prisma Health BaptistColumbia, SC
- Prisma Health Richland HospitalColumbia, SC
Industry payments (Open Payments)
- 2025$2,795 · 127 payments from 29 companies
- 2024$2,740 · 135 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $206.38 | 7 |
| Abbott Laboratories | $183.17 | 8 |
| Sanofi-Aventis U.S. LLC | $177.77 | 8 |
| Sequel Med Tech, LLC | $174.51 | 6 |
| Insulet Corporation | $171.21 | 7 |
What the 2025 payments were for
- Food and Beverage$2,795 · 127 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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