Active NPI
Seth M Blee, PT
- Physical Therapist
- Alexandria, VA
National Provider Identifier
1336148592
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapist
- License
- 2305202533
- Practice address
- 5999 Stevenson Ave
Suite 400
Alexandria, VA 22304-3304 - Phone
- (703) 751-0502
- Fax
- (703) 751-0976
- NPI assigned
- Jul 20, 2005
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|
| 2305202533 | VA | MD | Physical Therapist |
Specialties & licenses 1
NPPES NPI Registry| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physical Therapist | 225100000X | 2305202533 | VA | Primary |
Addresses
NPPES NPI RegistryPrimary practice location
5999 Stevenson Ave
Suite 400
Alexandria, VA 22304-3304
Mailing address
9900 Main St
Suite 200a
Fairfax, VA 22031-3907
Phone (703) 279-4394
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Jul 13, 2026.
{
"created_epoch": "1121817600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1336148592",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9900 MAIN ST",
"address_2": "SUITE 200A",
"city": "FAIRFAX",
"state": "VA",
"postal_code": "220313907",
"telephone_number": "703-279-4394",
"fax_number": "703-279-4214"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5999 STEVENSON AVE",
"address_2": "SUITE 400",
"city": "ALEXANDRIA",
"state": "VA",
"postal_code": "223043304",
"telephone_number": "703-751-0502",
"fax_number": "703-751-0976"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BLEE",
"first_name": "SETH",
"middle_name": "M",
"credential": "PT",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-07-20",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "VA",
"license": "2305202533",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Alexandria, VA
- Lindsay Walker Blass, PSY.D.
- Alexandra Blaszkiewicz
- Irena Zdablasz Blaszkiewicz, OTR/L, OTD
- Katreena Marie Blazewicz
- Megan Elizabeth Bleakley
- Blessed Smiles
- Blessings of Hope Counseling and Supervision Services, LLC
- Matthew Archer Blomme, MA
- Sharon Elaine Blondeau, RN
- Emily Rachel Parker Blondin, PT, DPT, MSPT
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.