Active NPI
Christopher John D'Arpa
- Social Worker
- Bethesda, MD
National Provider Identifier
1417636762
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 30306
- Practice address
- 4350 E West Hwy Ste 200
Bethesda, MD 20814-4426 - Phone
- (240) 778-5705
- NPI assigned
- Jul 13, 2023
- Last updated
- Jul 13, 2023
- 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 |
|---|---|---|---|---|
| Social Worker | 104100000X | 30306 | MD | Primary |
Addresses
Primary practice location
4350 E West Hwy Ste 200
Bethesda, MD 20814-4426
Mailing address
15104 Dufief Dr
North Potomac, MD 20878-2413
Phone (240) 778-5705
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Feb 2, 2026 through Feb 2, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 30306 | MD | MD | Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1689206400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1689206400000",
"number": "1417636762",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15104 DUFIEF DR",
"city": "NORTH POTOMAC",
"state": "MD",
"postal_code": "208782413",
"telephone_number": "240-778-5705"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4350 E WEST HWY STE 200",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208144426",
"telephone_number": "240-778-5705"
}
],
"practiceLocations": [],
"basic": {
"last_name": "D'ARPA",
"first_name": "CHRISTOPHER",
"middle_name": "JOHN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-07-13",
"last_updated": "2023-07-13",
"certification_date": "2023-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "MD",
"license": "30306",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Bethesda, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.