Corey Drew Berlin, MD
NPI 1154399418ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Raleigh, NC
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Raleigh, North Carolina, trained at Hahneman Medical College of the Pacific (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $2,555,174 for 5,877 claims, against $128,382 paid for services in 2024. Lilly USA, LLC was the largest of 35 companies reporting payments in 2025, $55,689 in all, mostly speaking and faculty fees.
Overview
| NPI | 1154399418 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 10, 2006 |
| Last updated in NPPES | Sep 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 9600457 | NC |
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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 477 |
|---|---|
| Services billed | 1,617 across 12 procedure codes |
| Paid by Medicare | $128,382 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,877 · 11,297 30-day fills |
|---|---|
| Patients | 761 |
| Total drug cost | $2,555,174 |
| Generic share | 35% of claims |
Education and affiliations
| Medical school | Hahneman Medical College of the Pacific |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Endocrinology |
Medical group
- Denis I Becker MD PARaleigh, NC · 5 clinicians
Hospital affiliations
- Rex HospitalRaleigh, NC
- Unc Health NashRocky Mount, NC
- Wakemed, Raleigh CampusRaleigh, NC
Industry payments (Open Payments)
- 2025$55,689 · 272 payments from 35 companies
- 2024$74,072 · 298 payments from 32 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $43,040 | 78 |
| Radius Health, Inc. | $6,536 | 14 |
| Corcept Therapeutics | $2,765 | 16 |
| Abbott Laboratories | $473.33 | 26 |
| Dexcom, Inc. | $366.89 | 14 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$42,018 · 36 payments
- Food and Beverage$5,226 · 220 payments
- Honoraria$5,006 · 3 payments
- Travel and Lodging$3,438 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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