Active NPI
Joyce Chain-Ling Chang, M.D.
- Internal Medicine Physician
- Alhambra, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A71054
- Practice address
- 55 S Raymond Ave Ste 200
Alhambra, CA 91801-7103 - Phone
- (626) 570-8005
- NPI assigned
- May 25, 2006
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A71054 | CA | Primary |
Addresses
Primary practice location
55 S Raymond Ave Ste 200
Alhambra, CA 91801-7103
Mailing address
PO Box 35380
Las Vegas, NV 89133-5380
Phone (702) 579-3203
Other practice location 1
21501 Avalon Blvd
suite 100
Carson, CA 90745-2222
Phone (310) 835-6627
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | jchang194200@oc.providencedirect.org |
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
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Wayne State University School of Medicine, 1998
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1120 W Washington Blvd
Los Angeles, CA 90015-3316
Phone (213) 623-2225
207 S Santa Anita St
Suite 205
San Gabriel, CA 91776-1147
Phone (626) 576-0800
2200 Foothill Blvd
La Canada Flintridge, CA 91011-1413
Phone (818) 790-1103
2601 Via Campo
Montebello, CA 90640-1807
Phone (323) 720-1144
2603 Via Campo
Montebello, CA 90640-1807
Phone (323) 720-1144
2750 E Slauson Ave
Huntington Park, CA 90255-3063
Phone (323) 582-1190
3833 Emerald Ave
La Verne, CA 91750-2904
Phone (626) 331-6411
401 S Fair Oaks Ave
Pasadena, CA 91105-2603
Phone (626) 304-4400
824 E Carson St
Suite 104
Carson, CA 90745-2262
Phone (310) 830-9706
988 S Fair Oaks Ave
Pasadena, CA 91105-2626
Phone (626) 799-4194
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 71054 | CA | MD | Pharmacist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Healthcare Partners Affiliates Medical Group | Current | Accepting new patients | |
| Healthcare Partners Affiliates Medical Group | Internal Medicine | Current | Accepting new patients |
| Memorial Medical Group Inc | Past | Accepting new patients |
Locations
55 S Raymond Ave
Ste 200
Alhambra, CA 91801
Phone (626) 570-8005
1236 N Magnolia Ave
Anaheim, CA 92801
Phone (714) 995-1000
5957 W Ramsey St
Banning, CA 92220
Phone (951) 845-8864
2910 Jefferson St
Ste 100
Carlsbad, CA 92008
Phone (760) 729-8600
824 E Carson St
Ste 104
Carson, CA 90745
Phone (310) 830-9706
2801 Atlantic Ave
Long Beach, CA 90806
Phone (310) 933-2000
1700 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 883-8611
Interoperability endpoints
- jchang113440@westdirect.optum.com
- jchang689943@direct.ochin.org
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Los Angeles, CA
- NPI 1659312593
-
- Durable Medical Equipment & Medical Supplies
- Murrieta, CA
- NPI 1760057269
-
- Durable Medical Equipment & Medical Supplies
- Phoenix, AZ
- NPI 1255523643
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148515200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765065600000",
"number": "1952357600",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 35380",
"city": "LAS VEGAS",
"state": "NV",
"postal_code": "891335380",
"telephone_number": "702-579-3203"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "55 S RAYMOND AVE STE 200",
"city": "ALHAMBRA",
"state": "CA",
"postal_code": "918017103",
"telephone_number": "626-570-8005"
}
],
"practiceLocations": [
{
"address_1": "21501 Avalon Blvd",
"address_2": "suite 100",
"address_purpose": "LOCATION",
"city": "Carson",
"state": "CA",
"postal_code": "907452222",
"country_code": "US",
"telephone_number": "310-835-6627",
"fax_number": "310-835-6517",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHANG",
"first_name": "JOYCE",
"middle_name": "CHAIN-LING",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-25",
"last_updated": "2025-12-07",
"certification_date": "2025-12-07",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A71054",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "jchang194200@oc.providencedirect.org",
"affiliation": "N",
"address_1": "21501 Avalon Blvd",
"address_2": "suite 100",
"city": "Carson",
"state": "CA",
"country_code": "US",
"postal_code": "907452222",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Alhambra, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 7, 2025; 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.