Active NPI
Hector Calderon Jr.
- Marriage & Family Therapist
- Modesto, CA
National Provider Identifier
1033808639
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 159981
- Practice address
- 121 Downey Ave
Modesto, CA 95354-1208 - Phone
- (209) 341-1824
- NPI assigned
- May 1, 2023
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Professional Counselor | 101YP2500X | 159981 | CA | |
| Marriage & Family Therapist | 106H00000X | 159981 | CA | Primary |
Addresses
Primary practice location
121 Downey Ave
Modesto, CA 95354-1208
Mailing address
2942 Sierra St Apt 109
Riverbank, CA 95367-3200
Phone (209) 543-4161
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 159981 | CA | MD | Professional Counselor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1682899200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775520000000",
"number": "1033808639",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2942 SIERRA ST APT 109",
"city": "RIVERBANK",
"state": "CA",
"postal_code": "953673200",
"telephone_number": "209-543-4161"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "121 DOWNEY AVE",
"city": "MODESTO",
"state": "CA",
"postal_code": "953541208",
"telephone_number": "209-341-1824"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CALDERON",
"first_name": "HECTOR",
"name_prefix": "Mr.",
"name_suffix": "Jr.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2023-05-01",
"last_updated": "2026-04-07",
"certification_date": "2026-04-07",
"status": "A"
},
"taxonomies": [
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "CA",
"license": "159981",
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CA",
"license": "159981",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Modesto, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 2026; 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.