Quick answers
- Does Brett D. Van Leer Greenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Brett D. Van Leer Greenberg accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Brett D. Van Leer Greenberg see?
- In 2024, CMS data shows 1,349 Original Medicare patients and 2,672 services for Brett D. Van Leer Greenberg. This counts Original Medicare only and measures volume, not quality.
- What is Brett D. Van Leer Greenberg's NPI number?
- 1871911867. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Brett D. Van Leer Greenberg, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,349 |
|---|---|
| Services billed to Medicare | 2,672 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)1,530 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)281 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)186 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)156 services
- Biopsy of large bowel using a flexible endoscope (45380)147 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes38%
- Anxiety28%
- Chronic kidney disease27%
Hospitals where Brett D. Van Leer Greenberg works
Medicare's Facility Affiliation Data lists Brett D. Van Leer Greenberg at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Trident Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420079
Practice locations
Addresses where Brett D. Van Leer Greenberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 1200 Two Island Ct, Unit EMt Pleasant, SC 29466 (843) 376‑0670
- 5500 Front St, Suite 240Summerville, SC 29486 (843) 572‑7727
- 7 S Alliance Dr, Suite 202aGoose Creek, SC 29445 (843) 376‑0670
Group practices
Medicare enrollment lists Brett D. Van Leer Greenberg as a member of these groups (CMS data updated October 2, 2026).
- Palmetto Primary Care Physicians LLC144 clinicians in the group
- PPCP Specialty Physicians, LLC21 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in South Carolina
Clinicians with the same Medicare primary specialty in South Carolina — not a recommendation.
Other clinicians in Palmetto Primary Care Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871911867 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians