Quick answers
- Which hospitals does Eric J. Margulies work at?
- Medicare's official clinician data lists Eric J. Margulies at 1 hospital: MedStar Montgomery Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric J. Margulies see patients?
- Medicare's clinician data lists 5 practice locations, including Rockville, MD, Olney, MD and Washington, DC. Call before your visit to confirm the address.
- What is Eric J. Margulies's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Eric J. Margulies accept Medicare assignment?
- Yes. Medicare's clinician data says Eric J. Margulies accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Eric J. Margulies?
- (301) 340-3252, as listed in official Medicare / NPI Registry data.
- What is Eric J. Margulies's NPI number?
- 1538629654. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric J. Margulies works
Medicare's Facility Affiliation Data lists Eric J. Margulies at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Montgomery Medical CenterOlney, MD · Acute Care Hospital · CCN 210018
Practice locations
Addresses where Eric J. Margulies is enrolled with Medicare (CMS data updated 2026-10-02).
- 14955 Shady Grove Rd, Suite 150Rockville, MD 20850 (301) 340‑3252
- 18101 Prince Philip DrOlney, MD 20832 (301) 774‑8882
- 2021 K St NW, Suite T 110 Metroploitan GastroenterologyWashington, DC 20061 (202) 296‑3449
- 20528 Boland Farm Rd, Suite 201Germantown, MD 20876 (301) 593‑2002
- 3410 Olandwood Ct, Suite 206Olney, MD 20832 (301) 593‑2002
Group practices
Medicare enrollment lists Eric J. Margulies as a member of this group (CMS data updated 2026-10-02).
- Capital Digestive Care LLC241 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538629654 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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