Active NPI
Charles Chang, LMFT
- Mental Health Counselor
- Cupertino, CA
National Provider Identifier
1972637650
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- License
- LMFT47841
- Practice address
- 21710 Steven Creek Blvd, Ste 240
Cupertino, CA 95014-1172 - Phone
- (408) 475-6228
- NPI assigned
- Mar 15, 2007
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | LMFT47841 | CA | Primary |
Addresses
Primary practice location
21710 Steven Creek Blvd, Ste 240
Cupertino, CA 95014-1172
Mailing address
2010 El Camino Real # 449
Santa Clara, CA 95050-4051
Phone (408) 475-6228
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 |
|---|---|---|---|
| LMFT47841 | CA | MD | Mental Health Counselor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1173916800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778889600000",
"number": "1972637650",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2010 EL CAMINO REAL # 449",
"city": "SANTA CLARA",
"state": "CA",
"postal_code": "950504051",
"telephone_number": "408-475-6228"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "21710 STEVEN CREEK BLVD, STE 240",
"city": "CUPERTINO",
"state": "CA",
"postal_code": "950141172",
"telephone_number": "408-475-6228"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHANG",
"first_name": "CHARLES",
"credential": "LMFT",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-03-15",
"last_updated": "2026-05-16",
"certification_date": "2026-05-16",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "CA",
"license": "LMFT47841",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Cupertino, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 16, 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.