Active NPI
Christopher Koon Sing Jong, M.D.
- Internal Medicine Physician
- South Pasadena, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A94265
- Practice address
- 1616 Fair Oaks Ave
# 14
South Pasadena, CA 91030-4739 - Phone
- (626) 818-3112
- NPI assigned
- Oct 1, 2007
- Last updated
- Jul 29, 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A94265 | CA | Primary |
Addresses
Primary practice location
1616 Fair Oaks Ave
# 14
South Pasadena, CA 91030-4739
Mailing address
1616 Fair Oaks Ave
# 14
South Pasadena, CA 91030-4739
Phone (626) 818-3112
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 |
|---|---|---|---|---|
| I20240722003921 | CA | Practitioner - Hospice/Palliative Care | 8729147681 | Practice locations: South Pasadena, CA |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ambassadore Hospice Care, Inc. | Current | Accepting new patients | |
| Vitas Health Services of California Inc | Past | Accepting new patients |
Ownership & related parties
All facility ownership & control disclosures 1
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| Ambassadore Hospice Care, Inc. | Hospice | Contracted Managing Employee | Feb 11, 2021 |
Owned or controlled facilities with NPI records 1
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
-
- Community Based Hospice Care Agency
- Long Beach, CA
- NPI 1669003570
Contracted Managing Employee
Organizations & group practices 2
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.
-
- Community Based Hospice Care Agency
- Long Beach, CA
- NPI 1669003570
-
dba Palliative Medical Associates of California
- Hospice and Palliative Medicine (Internal Medicine) Physician
- Covina, CA
- NPI 1780973024
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1191196800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785283200000",
"number": "1336336700",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1616 FAIR OAKS AVE",
"address_2": "# 14",
"city": "SOUTH PASADENA",
"state": "CA",
"postal_code": "910304739",
"telephone_number": "626-818-3112"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1616 FAIR OAKS AVE",
"address_2": "# 14",
"city": "SOUTH PASADENA",
"state": "CA",
"postal_code": "910304739",
"telephone_number": "626-818-3112"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JONG",
"first_name": "CHRISTOPHER",
"middle_name": "KOON SING",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-10-01",
"last_updated": "2026-07-29",
"certification_date": "2026-07-29",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A94265",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in South Pasadena, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.