Active NPI
Leivi Alejandro Sosa, M.D.
- Internal Medicine Physician
- Oak Harbor, WA
National Provider Identifier
1225279037
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 25284
- Practice address
- 3475 N Saratoga St
Oak Harbor, WA 98278-4927 - Phone
- (360) 257-9400
- NPI assigned
- Mar 9, 2009
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 25284 | NE | Primary |
Addresses
Primary practice location
3475 N Saratoga St
Oak Harbor, WA 98278-4927
Mailing address
34800 Bob Wilson Dr
Internal Medicine
San Diego, CA 92134-1098
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20150904001337 | CA | Order and Referring Only - Internal Medicine | 1951617984 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 25284 | NE | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1236556800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756339200000",
"number": "1225279037",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "34800 BOB WILSON DR",
"address_2": "INTERNAL MEDICINE",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "921341098"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3475 N SARATOGA ST",
"city": "OAK HARBOR",
"state": "WA",
"postal_code": "982784927",
"telephone_number": "360-257-9400"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SOSA",
"first_name": "LEIVI",
"middle_name": "ALEJANDRO",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2009-03-09",
"last_updated": "2025-08-28",
"certification_date": "2025-08-28",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NE",
"license": "25284",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Oak Harbor, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.