Active NPI
John Melvin Wong Valenzuela, NP-C
- Family Nurse Practitioner
- Orange, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 95020509
- Practice address
- 845 W la Veta Ave Ste 105
Orange, CA 92868-3930 - Phone
- (714) 289-6565
- Fax
- (714) 289-6571
- NPI assigned
- May 18, 2022
- Last updated
- Jan 14, 2026
- 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 |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | 95020509 | CA | Primary |
Addresses
Primary practice location
845 W la Veta Ave Ste 105
Orange, CA 92868-3930
Mailing address
845 W la Veta Ave Ste 105
Orange, CA 92868-3930
Phone (714) 289-6565
Other practice location 1
1100 W Stewart Dr
Orange, CA 92868-3849
Phone (714) 633-9111
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
845 W la Veta Ave
Suite 105
Orange, CA 92868-3930
Phone (714) 289-6565
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 95020509 | CA | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Providence Medical Foundation | Current | Accepting new patients | |
| Providence Medical Foundation | Current | Accepting new patients | |
| Vital Health Medical Group, Inc. | Single Specialty | Past | Accepting new patients |
Locations
1950 Sunny Crest Dr
Ste 2900
Fullerton, CA 92835
1100 W Stewart Dr
Orange, CA 92868
Phone (714) 532-8620
845 W La Veta Ave
Ste 105
Orange, CA 92868
Phone (714) 289-6565
Organizations & group practices 4
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.
-
- Family Medicine Physician
- Brea, CA
- NPI 1871607762
-
- Family Medicine Physician
- Mission Viejo, CA
- NPI 1427305960
-
- Family Medicine Physician
- Anaheim, CA
- NPI 1639715709
-
- Geriatric Medicine (Internal Medicine) Physician
- Los Angeles, CA
- NPI 1366839656
Single Specialty
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Providence St. Joseph Hospital
- General Acute Care Hospital
- Orange, CA
- NPI 1912982216
-
dba Providence St. Joseph Hospital
- General Acute Care Hospital
- Orange, CA
- NPI 1558575746
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1652832000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768348800000",
"number": "1225775372",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "845 W LA VETA AVE STE 105",
"city": "ORANGE",
"state": "CA",
"postal_code": "928683930",
"telephone_number": "714-289-6565",
"fax_number": "714-289-6571"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "845 W LA VETA AVE STE 105",
"city": "ORANGE",
"state": "CA",
"postal_code": "928683930",
"telephone_number": "714-289-6565",
"fax_number": "714-289-6571"
}
],
"practiceLocations": [
{
"address_1": "1100 W Stewart Dr",
"address_purpose": "LOCATION",
"city": "Orange",
"state": "CA",
"postal_code": "928683849",
"country_code": "US",
"telephone_number": "714-633-9111",
"fax_number": "626-667-8781",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "VALENZUELA",
"first_name": "JOHN MELVIN",
"middle_name": "WONG",
"name_prefix": "Mr.",
"credential": "NP-C",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2022-05-18",
"last_updated": "2026-01-14",
"certification_date": "2026-01-14",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Nurse Practitioner, Family",
"state": "CA",
"license": "95020509",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Orange, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.