Active NPI
Steven Moore Hopper, M.D.
- Anesthesiology Physician
- Rockville, MD
National Provider Identifier
1124066493
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- D28440
- Practice address
- 14820 Physicians LN
242
Rockville, MD 20850-3945 - Phone
- (301) 838-9606
- NPI assigned
- Jun 2, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | D28440 | MD | Primary |
Addresses
Primary practice location
14820 Physicians LN
242
Rockville, MD 20850-3945
Mailing address
10900 Old Coach Rd
Potomac, MD 20854-2707
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D28440 | MD | MD | Anesthesiology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149206400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1124066493",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "10900 OLD COACH RD",
"city": "POTOMAC",
"state": "MD",
"postal_code": "208542707"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "14820 PHYSICIANS LN",
"address_2": "242",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208503945",
"telephone_number": "301-838-9606"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOPPER",
"first_name": "STEVEN",
"middle_name": "MOORE",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-02",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MD",
"license": "D28440",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Rockville, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.