Active NPI
Shiun T Ker, M.D.
- Surgery Physician
- Monterey Park, CA
National Provider Identifier
1669554887
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- A43001
- Practice address
- 600 N Garfield Ave
Room 306
Monterey Park, CA 91754-1166 - Phone
- (626) 571-8271
- Fax
- (626) 571-8106
- NPI assigned
- Oct 19, 2006
- 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 |
|---|---|---|---|---|
| Surgery Physician | 208600000X | A43001 | CA | Primary |
| Colon & Rectal Surgery Physician | 208C00000X | A43001 | CA |
Addresses
Primary practice location
600 N Garfield Ave
Room 306
Monterey Park, CA 91754-1166
Mailing address
600 N Garfield Ave
Room 306
Monterey Park, CA 91754-1166
Phone (626) 571-8271
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 6244319 | Medicaid | CA |
Other names 1
- Tim S Ker
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 |
|---|---|---|---|---|
| I20101217000496 | CA | Practitioner - Colorectal Surgery (Proctology) | 3971791914 | Practice locations: Monterey Park, CA |
Care Compare profile
Medicare Care Compare- Specialty
- Colorectal Surgery (Proctology)
- Education
- Other, 1974
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
600 N Garfield Ave
Suite 306
Monterey Park, CA 91754-1172
Phone (626) 571-8271
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 354 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 78 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A43001 | CA | MD | Colon & Rectal Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ahmc Monterey Park Hospital LP | Past | Accepting new patients | |
| Ahmc Garfield Medical Center LP | Past | Accepting new patients | |
| Ahmc Greater El Monte Comm Hosp LLC | Past | Accepting new patients | |
| Alhambra Hospital Medical Center, LP | Past | Accepting new patients | |
| Ahmc San Gabriel Valley Medical | Past | Accepting new patients |
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 5
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.
-
dba Garfield Medical Center
- General Acute Care Hospital
- Monterey Park, CA
- NPI 1730171265
-
dba Greater El Monte Comm Hosp
- Community/Retail Pharmacy
- South El Monte, CA
- NPI 1922115526
-
dba Monterey Park Hospital
- General Acute Care Hospital
- Monterey Park, CA
- NPI 1780676221
-
dba AHMC San Gabriel Valley Medical Center
- Skilled Nursing Facility
- San Gabriel, CA
- NPI 1710174818
-
- General Acute Care Hospital
- Alhambra, CA
- NPI 1811099674
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1161216000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1669554887",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "600 N GARFIELD AVE",
"address_2": "ROOM 306",
"city": "MONTEREY PARK",
"state": "CA",
"postal_code": "917541166",
"telephone_number": "626-571-8271",
"fax_number": "626-571-8106"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "600 N GARFIELD AVE",
"address_2": "ROOM 306",
"city": "MONTEREY PARK",
"state": "CA",
"postal_code": "917541166",
"telephone_number": "626-571-8271",
"fax_number": "626-571-8106"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KER",
"first_name": "SHIUN",
"middle_name": "T",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-10-19",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "CA",
"license": "A43001",
"primary": true
},
{
"code": "208C00000X",
"taxonomy_group": "",
"desc": "Colon & Rectal Surgery",
"state": "CA",
"license": "A43001",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "6244319",
"state": "CA"
}
],
"endpoints": [],
"other_names": [
{
"first_name": "TIM",
"last_name": "KER",
"middle_name": "S",
"credential": "M.D.",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Monterey Park, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.