Quick answers
- Does Marchant W. Van Gerpen accept Medicare assignment?
- Yes. Medicare's clinician data says Marchant W. Van Gerpen 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 Marchant W. Van Gerpen see?
- In 2024, CMS data shows 21 Original Medicare patients and 49 services for Marchant W. Van Gerpen. This counts Original Medicare only and measures volume, not quality.
- What is Marchant W. Van Gerpen's NPI number?
- 1396791794. 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 Marchant W. Van Gerpen, 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 | 21 |
|---|---|
| Services billed to Medicare | 49 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 51 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)36 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).
- Depression75%
- Anxiety75%
- High blood pressure52%
- High cholesterol52%
Hospitals where Marchant W. Van Gerpen works
Medicare's Facility Affiliation Data lists Marchant W. Van Gerpen 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.
- Grand Strand Regional Medical CenterMyrtle Beach, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420085
Practice locations
Addresses where Marchant W. Van Gerpen is enrolled with Medicare (CMS data updated October 2, 2026).
- 2221 Philip StNew Orleans, LA 70113 (504) 620‑2863
- 5640 Read Blvd, Suite 810New Orleans, LA 70127 (504) 520‑2863
- 9330 Medical Plaza DrCharleston, SC 29406 (843) 797‑7000
Group practices
Medicare enrollment lists Marchant W. Van Gerpen as a member of these groups (CMS data updated October 2, 2026).
- River Region Psychiatry Associates, LLC122 clinicians in the group
- Metropolitan Human Services District12 clinicians in the group
Specialties
- Geriatric Psychiatryprimary
Other clinicians in River Region Psychiatry Associates, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396791794 |
| 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