Active NPI
Eric Joel Margulies, MD
- Gastroenterology Physician
- Silver Spring, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- D0102341
- Practice address
- 10801 Lockwood Dr Ste 200
Silver Spring, MD 20901-1562 - Phone
- (301) 593-2002
- Fax
- (202) 823-4809
- NPI assigned
- Mar 24, 2019
- Last updated
- Jun 24, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Gastroenterology Physician | 207RG0100X | BP10079522 | TX | |
| Gastroenterology Physician | 207RG0100X | D0102341 | MD | Primary |
Addresses
Primary practice location
10801 Lockwood Dr Ste 200
Silver Spring, MD 20901-1562
Mailing address
10801 Lockwood Dr Ste 200
Silver Spring, MD 20901-1562
Phone (301) 593-2002
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- University of Maryland School of Medicine, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
14955 Shady Grove Rd
Suite 150
Rockville, MD 20850-8725
Phone (301) 340-3252
18101 Prince Philip Dr
Olney, MD 20832-1514
Phone (301) 774-8882
2021 K St NW
Suite T 110 Metroploitan Gastroenterology
Washington, DC 20061-1036
Phone (202) 296-3449
20528 Boland Farm Rd
Suite 201
Germantown, MD 20876-4038
Phone (301) 593-2002
3410 Olandwood CT
Suite 206
Olney, MD 20832-1384
Phone (301) 593-2002
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 42 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 29 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| BP10079522 | TX | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Endoscopy Center of Washington DC LP | Current | Accepting new patients | |
| Capital Digestive Care LLC | Gastroenterology | Current | Accepting new patients |
| Capital Digestive Care, LLC | Gastroenterology | Current | Accepting new patients |
| Capital Digestive Care, LLC | Gastroenterology | Current | Accepting new patients |
| Frederick Health Hospital Inc | Past | Accepting new patients | |
| Capital Digestive Care ,LLC | Gastroenterology | Past | Accepting new patients |
Locations
20528 Boland Farm Rd
Ste 201
Germantown, MD 20876
Phone (301) 593-2002
3415 Olandwood Ct
Ste 101
Olney, MD 20832
Phone (301) 340-3252
15001 Shady Grove Rd
Ste 300
Rockville, MD 20850
Phone (301) 340-3252
10770 Columbia Pike
Ste 400
Silver Spring, MD 20901
Phone (215) 589-9012
10801 Lockwood Dr
Ste 200
Silver Spring, MD 20901
Phone (301) 593-2002
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Gastroenterology Physician
- Laurel, MD
- NPI 1326886870
-
- Gastroenterology Physician
- Temple Hills, MD
- NPI 1437997988
-
dba The Endoscopy Center of Washington, D.C.
- Ambulatory Surgical Clinic/Center
- Washington, DC
- NPI 1154301240
-
dba Frederick Health Hospital
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
-
- Gastroenterology Physician
- Suffolk, VA
- NPI 1760541460
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Olney, MD
- NPI 1114922341
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1553385600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750723200000",
"number": "1538629654",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "10801 LOCKWOOD DR STE 200",
"city": "SILVER SPRING",
"state": "MD",
"postal_code": "209011562",
"telephone_number": "301-593-2002",
"fax_number": "202-823-4809"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "10801 LOCKWOOD DR STE 200",
"city": "SILVER SPRING",
"state": "MD",
"postal_code": "209011562",
"telephone_number": "301-593-2002",
"fax_number": "202-823-4809"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MARGULIES",
"first_name": "ERIC",
"middle_name": "JOEL",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-03-24",
"last_updated": "2025-06-24",
"certification_date": "2025-06-24",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "TX",
"license": "BP10079522",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "MD",
"license": "D0102341",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Silver Spring, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.