Active NPI
Karen Lee Geisler, RD
- Registered Dietitian
- Washington, DC
National Provider Identifier
1962474395
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- DI00001349
- Practice address
- 6900 Georgia Ave NW
Washington, DC 20307-0003 - Phone
- (202) 782-2039
- NPI assigned
- Feb 1, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | DI00001349 | WA | Primary |
Addresses
Primary practice location
6900 Georgia Ave NW
Washington, DC 20307-0003
Mailing address
2445 Lyttonsville Rd
Apt 713
Silver Spring, MD 20910-1952
Phone (202) 782-2039
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DI00001349 | WA | MD | Registered Dietitian |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1138752000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1962474395",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2445 LYTTONSVILLE RD",
"address_2": "APT 713",
"city": "SILVER SPRING",
"state": "MD",
"postal_code": "209101952",
"telephone_number": "202-782-2039",
"fax_number": "202-782-5837"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6900 GEORGIA AVE NW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "203070003",
"telephone_number": "202-782-2039"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GEISLER",
"first_name": "KAREN",
"middle_name": "LEE",
"credential": "RD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-02-01",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "WA",
"license": "DI00001349",
"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 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.