Brett Daniel Van Leer-Greenberg, M.D.
NPI 1871911867ActiveIndividual· Internal Medicine, Gastroenterology· Summerville, SC
Internal Medicine, Gastroenterology (M.D.) in Summerville, South Carolina, trained at University of Miami, Lm Miller School of Medicine (class of 2014). In 2024 Medicare paid $136,725 for 1,349 patients, and Part D covered 469 of their prescriptions, 86% of them generic. Phathom Pharmaceuticals, Inc. was the largest of 12 companies reporting payments in 2025, $12,577 in all, mostly speaking and faculty fees.
Overview
| NPI | 1871911867 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 7, 2014 |
| Last updated in NPPES | Mar 20, 2024 |
| Certified by provider | Mar 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 83995 | SC |
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 - Gastroenterology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,349 |
|---|---|
| Services billed | 2,672 across 36 procedure codes |
| Paid by Medicare | $136,725 |
Part D prescriptions in 2024
| Prescriptions (claims) | 469 · 1,081 30-day fills |
|---|---|
| Patients | 190 |
| Total drug cost | $134,784 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Palmetto Primary Care Physicians LLCSaint George, SC · 144 clinicians
- Ppcp Specialty Physicians , LLCMt Pleasant, SC · 21 clinicians
Hospital affiliation
- Trident Medical CenterCharleston, SC
Industry payments (Open Payments)
- 2025$12,577 · 46 payments from 12 companies
- 2024$26,787 · 47 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $11,825 | 17 |
| Janssen Biotech, Inc. | $145.34 | 3 |
| Abbvie Inc. | $143.61 | 11 |
| Janssen Scientific Affairs, LLC | $122.49 | 1 |
| Genzyme Corporation | $103.29 | 3 |
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$11,040 · 5 payments
- Food and Beverage$1,345 · 40 payments
- Travel and Lodging$192.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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