Active NPI
Ellen Eun-Joo Kwon, ).D.
- Corneal and Contact Management Optometrist
- Washington, DC
National Provider Identifier
1700986684
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Corneal and Contact Management Optometrist
- License
- TA1605
- Practice address
- 50 Irving St NW
Washington, DC 20422-0001 - Phone
- (202) 745-8344
- NPI assigned
- Sep 22, 2006
- Last updated
- Sep 11, 2025
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | TA1605 | MD | |
| Corneal and Contact Management Optometrist | 152WC0802X | TA1605 | MD | Primary |
| Low Vision Rehabilitation Optometrist | 152WL0500X | TA1605 | MD |
Addresses
Primary practice location
50 Irving St NW
Washington, DC 20422-0001
Mailing address
633 Grand Champion Dr
Rockville, MD 20850-5970
Phone (301) 519-7522
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1158883200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1700986684",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "633 GRAND CHAMPION DR",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208505970",
"telephone_number": "301-519-7522"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "50 IRVING ST NW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "204220001",
"telephone_number": "202-745-8344"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KWON",
"first_name": "ELLEN",
"middle_name": "EUN-JOO",
"name_prefix": "Dr.",
"credential": ").D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-09-22",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "MD",
"license": "TA1605",
"primary": false
},
{
"code": "152WC0802X",
"taxonomy_group": "",
"desc": "Optometrist, Corneal and Contact Management",
"state": "MD",
"license": "TA1605",
"primary": true
},
{
"code": "152WL0500X",
"taxonomy_group": "",
"desc": "Optometrist, Low Vision Rehabilitation",
"state": "MD",
"license": "TA1605",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Washington, DC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.