Active NPI
Joseph Mickler Parker, M.D.
- Sleep Medicine (Internal Medicine) Physician
- Washington, DC
National Provider Identifier
1700947694
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Sleep Medicine (Internal Medicine) Physician
- License
- D0040171
- Practice address
- 2 Wramc Department
6900 Georgia Ave NW
Washington, DC 20307-0001 - Phone
- (202) 782-6205
- NPI assigned
- Dec 13, 2006
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | D0040171 | MD | |
| Pulmonary Disease Physician | 207RP1001X | D0040171 | MD | |
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | D0040171 | MD | Primary |
Addresses
Primary practice location
2 Wramc Department
6900 Georgia Ave NW
Washington, DC 20307-0001
Mailing address
2 Wramc Room 2J38
6900 Georgia Ave NW
Washington, DC 20307-0001
Phone (202) 782-6205
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)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D0040171 | MD | MD | Critical Care Medicine (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Walter Reed Army Medical Center | Past | Accepting new patients | |
| Wramc | Past | Accepting new patients |
Organizations & group practices 2
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.
-
- Gynecologic Oncology Physician
- Washington, DC
- NPI 1346300308
-
- Clinical Social Worker
- Washington, DC
- NPI 1619019494
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1165968000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1700947694",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2 WRAMC ROOM 2J38",
"address_2": "6900 GEORGIA AVE NW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "203070001",
"telephone_number": "202-782-6205"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2 WRAMC DEPARTMENT",
"address_2": "6900 GEORGIA AVE NW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "203070001",
"telephone_number": "202-782-6205"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PARKER",
"first_name": "JOSEPH",
"middle_name": "MICKLER",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-12-13",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "MD",
"license": "D0040171",
"primary": false
},
{
"code": "207RP1001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Pulmonary Disease",
"state": "MD",
"license": "D0040171",
"primary": false
},
{
"code": "207RS0012X",
"taxonomy_group": "",
"desc": "Internal Medicine, Sleep Medicine",
"state": "MD",
"license": "D0040171",
"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 Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.