Active NPI
Megan Johnson, DDS
- Dentist
- Washington, DC
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dentist
- License
- DEN2001649
- Practice address
- 4 Atlantic St SW
Washington, DC 20032-2350 - Phone
- (202) 470-3080
- Fax
- (202) 232-8494
- NPI assigned
- Jul 31, 2024
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dentist | 122300000X | 18278 | MD | |
| Dentist | 122300000X | DEN2001649 | DC | Primary |
Addresses
Primary practice location
4 Atlantic St SW
Washington, DC 20032-2350
Mailing address
4 Atlantic St SW
Washington, DC 20032-2350
Phone (202) 470-3080
Other practice location 1
2155 Champlain St NW
Washington, DC 20009-2795
Phone (202) 470-3080
Other practice location 2
7450 Albert Rd
Brandywine, MD 20613-3035
Phone (301) 888-2233
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: No
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 18278 | MD | MD | Dentist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Greater Baden Medical Service Incorporated | Current | Accepting new patients | |
| Greater Baden Medical Service Incorporated | Current | Accepting new patients | |
| Greater Baden Medical Service Incorporated | Dentist | Past | Accepting new patients |
Locations
7450 Albert Rd
Ste 3
Brandywine, MD 20613
7450 Albert Rd
Fl 3
Brandywine, MD 20613
Phone (301) 599-0460
1458 Addison Rd S
Capitol Heights, MD 20743
Phone (301) 324-1500
6196 Oxon Hill Rd
Ste 540
Oxon Hill, MD 20745
Phone (301) 686-1665
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Federally Qualified Health Center (FQHC)
- Brandywine, MD
- NPI 1912927344
DC
-
- Federally Qualified Health Center (FQHC)
- Lexington Park, MD
- NPI 1487469243
-
- Dental Clinic/Center
- Brandywine, MD
- NPI 1720297278
Dentist
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1722384000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786665600000",
"number": "1619706322",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4 ATLANTIC ST SW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200322350",
"telephone_number": "202-470-3080",
"fax_number": "202-232-8494"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4 ATLANTIC ST SW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200322350",
"telephone_number": "202-470-3080",
"fax_number": "202-232-8494"
}
],
"practiceLocations": [
{
"address_1": "2155 Champlain St NW",
"address_purpose": "LOCATION",
"city": "Washington",
"state": "DC",
"postal_code": "200092795",
"country_code": "US",
"telephone_number": "202-470-3080",
"fax_number": "202-232-8494",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "7450 Albert Rd",
"address_purpose": "LOCATION",
"city": "Brandywine",
"state": "MD",
"postal_code": "206133035",
"country_code": "US",
"telephone_number": "301-888-2233",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "JOHNSON",
"first_name": "MEGAN",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2024-07-31",
"last_updated": "2026-08-14",
"certification_date": "2026-08-14",
"status": "A"
},
"taxonomies": [
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "MD",
"license": "18278",
"primary": false
},
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "DC",
"license": "DEN2001649",
"primary": true
}
],
"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 Aug 14, 2026; 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.