Active NPI
Ahmed Abdel Mohsin Abbas
- Behavior Technician
- Herndon, VA
National Provider Identifier
1508333501
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Technician
- Practice address
- 131 Elden St Ste 302
Herndon, VA 20170-4851 - Phone
- (703) 496-4371
- Fax
- (703) 435-4021
- NPI assigned
- Oct 28, 2018
- Last updated
- Sep 28, 2026
- 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 |
|---|---|---|---|---|
| Behavior Technician | 106S00000X | VA | Primary |
Addresses
Primary practice location
131 Elden St Ste 302
Herndon, VA 20170-4851
Mailing address
131 Elden St Ste 302
Herndon, VA 20170-4851
Phone (703) 496-4371
Other practice location 1
21600 Oxnard St Ste 1800
Woodland Hills, CA 91367-7807
Phone (818) 345-2345
Other practice location 2
5400 Shawnee Rd Ste 208
Alexandria, VA 22312-2300
Phone (703) 750-0633 ext. 3907
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Autism First, LLC | Behavior Technician | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1540684800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790553600000",
"number": "1508333501",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "131 ELDEN ST STE 302",
"city": "HERNDON",
"state": "VA",
"postal_code": "201704851",
"telephone_number": "703-496-4371"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "131 ELDEN ST STE 302",
"city": "HERNDON",
"state": "VA",
"postal_code": "201704851",
"telephone_number": "703-496-4371",
"fax_number": "703-435-4021"
}
],
"practiceLocations": [
{
"address_1": "21600 Oxnard St Ste 1800",
"address_purpose": "LOCATION",
"city": "Woodland Hills",
"state": "CA",
"postal_code": "913677807",
"country_code": "US",
"telephone_number": "818-345-2345",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "5400 Shawnee Rd Ste 208",
"address_purpose": "LOCATION",
"city": "Alexandria",
"state": "VA",
"postal_code": "223122300",
"country_code": "US",
"telephone_number": "703-750-0633 x3907",
"fax_number": "703-997-7539",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ABBAS",
"first_name": "AHMED",
"middle_name": "ABDEL MOHSIN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-10-28",
"last_updated": "2026-09-28",
"certification_date": "2026-09-28",
"status": "A"
},
"taxonomies": [
{
"code": "106S00000X",
"taxonomy_group": "",
"desc": "Behavior Technician",
"state": "VA",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Herndon, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 28, 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.