Active NPI
Juan Carlo Alhambra, RDN
- Registered Dietitian
- San Diego, CA
National Provider Identifier
1407549868
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- 86111744
- Practice address
- 3909 National Ave
San Diego, CA 92113-3309 - Phone
- (408) 337-2280
- NPI assigned
- Jun 1, 2023
- Last updated
- May 19, 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 |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | 86111744 | CA | Primary |
Addresses
Primary practice location
3909 National Ave
San Diego, CA 92113-3309
Mailing address
3909 National Ave
San Diego, CA 92113-3309
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20241125001886 | CA | Practitioner - Registered Dietitian Or Nutrition Professional | 9830624097 | Practice locations: Emeryville, CA |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Alhambra Nutrition LLC | Dietitian, Registered | Current | 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": "1685577600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779148800000",
"number": "1407549868",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3909 NATIONAL AVE",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "921133309"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3909 NATIONAL AVE",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "921133309",
"telephone_number": "408-337-2280"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ALHAMBRA",
"first_name": "JUAN CARLO",
"credential": "RDN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-06-01",
"last_updated": "2026-05-19",
"certification_date": "2026-05-19",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "CA",
"license": "86111744",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in San Diego, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.