Active NPI
Alexander Sai-Chak Ho, M.D.
- Diagnostic Radiology Physician
- Fontana, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- U8344
- Practice address
- 9961 Sierra Ave
Mob3, Basement
Fontana, CA 92335-6720 - Phone
- (909) 427-3562
- NPI assigned
- Dec 13, 2007
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | A114491 | CA | |
| Diagnostic Radiology Physician | 2085R0202X | U8344 | TX | Primary |
Addresses
Primary practice location
9961 Sierra Ave
Mob3, Basement
Fontana, CA 92335-6720
Mailing address
9961 Sierra Ave
Mob3, Basement
Fontana, CA 92335-6720
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036138037 | Other | IL | ILLINOIS DEPARTMENT OF FINANCIAL & PROFESSIONAL REGULATION |
| A114491 | Other | CA | MEDICAL LICENCE |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq | Health Information Exchange (HIE) | Southern California Permanente Medical Group |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, IL, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- University of California, San Diego School of Medicine, 2006
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
Glenview, IL 60025
Phone (210) 455-0167
1763 Medical Way
Baptist Mands Imaging New Braunfels
New Braunfels, TX 78132-4521
Phone (210) 785-2500
215 E Quincy St
Suite 100
San Antonio, TX 78215-2032
Phone (210) 351-0784
3011 W Loop 1604
San Antionio, TX 78251-3901
3226 S Alameda St
Corpus Christi, TX 78404-2508
Phone (361) 888-6684
3327 Research PLZ
San Antonio, TX 78235-5156
Phone (210) 423-3950
4103 N Loop 1604 W
107 The Orthopedic and Neurologic Imaging
San Antonio, TX 78249-1380
Phone (210) 785-2519
8815 Village Dr
San Antonio, TX 78217-5415
Phone (210) 590-5822
Hospital & facility affiliations
- Baptist Medical Center
- Westover Hills Baptist Hospital
- Baptist Neighborhood Hospital Thousand Oaks
- Resolute Health Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 97.84 of 100
- Quality
- 99.37
- Improvement activities
- 40
- Cost
- 80.16
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A114491 | CA | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Radiology Imaging Corpus Christi, PLLC | Diagnostic Radiology | Current | Accepting new patients |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| Southern California Permanente Medical Group | Current | Accepting new patients | |
| VHS San Antonio Imaging Partners, LP | Diagnostic Radiology | Current | Accepting new patients |
| M&S Radiology Associates, PA | Current | Accepting new patients | |
| VHS San Antonio Partners, LLC | Past | Accepting new patients |
Locations
5475 E La Palma Ave
Anaheim, CA 92807
Phone (714) 279-6088
25825 Vermont Ave
Harbor City, CA 90710
Phone (310) 325-5111
4733 W Sunset Blvd
Los Angeles, CA 90027
Phone (213) 667-4784
6041 Cadillac Ave
Los Angeles, CA 90034
Phone (323) 857-2000
13652 Cantara St
Panorama City, CA 91402
Phone (818) 375-2417
393 E Walnut St
Unit 3RD
Pasadena, CA 91188
Phone (626) 405-7914
4647 Zion Ave
San Diego, CA 92120
Phone (619) 528-3038
1255 W Arrow Hwy
San Dimas, CA 91773
Phone (909) 394-2526
5601 De Soto Ave
Woodland Hls, CA 91367
Phone (818) 719-2000
4241 Vets Blvd
Ste 200
Metairie, LA 70006
2825 Spohn Dr S
Corpus Christi, TX 78414
Phone (361) 991-9595
3226 S Alameda St
Corpus Christi, TX 78404
Phone (361) 888-6684
11274 McCombs St
El Paso, TX 79934
Phone (915) 242-2400
555 Creekside Xing
New Braunfels, TX 78130
Phone (830) 387-4660
2111 SE Loop 410
San Antonio, TX 78220
Phone (210) 390-8240
7719 S Ih 35
San Antonio, TX 78224
Phone (210) 572-2955
111 Dallas St
San Antonio, TX 78205
Phone (210) 297-7000
8715 Village Dr
Ste 320
San Antonio, TX 78217
Phone (210) 656-3109
25615 US Highway 281 N
San Antonio, TX 78258
Phone (210) 292-0168
9522 Huebner Rd
San Antonio, TX 78240
Phone (210) 478-5390
6491 Woodlake Pkwy
San Antonio, TX 78244
Phone (210) 622-8220
7930 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 297-5000
215 E Quincy St
Ste 100
San Antonio, TX 78215
Phone (210) 351-0784
520 Madison Oak Dr
San Antonio, TX 78258
Phone (210) 297-0412
16977 Interstate 35 N
Schertz, TX 78154
Phone (210) 572-8400
Organizations & group practices 6
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.
-
- Diagnostic Radiology Physician
- Corpus Christi, TX
- NPI 1194469221
-
- Diagnostic Radiology Physician
- San Antonio, TX
- NPI 1457350993
-
- Health Maintenance Organization
- Baldwin Park, CA
- NPI 1770515280
-
- Health Maintenance Organization
- Harbor City, CA
- NPI 1598797011
-
dba Westover Hills Baptist Hospital
- General Acute Care Hospital
- San Antonio, TX
- NPI 1831970532
Hospital & facility affiliations 13
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Baptist Neighborhood Hospital Shavano Park
- General Acute Care Hospital
- San Antonio, TX
- NPI 1114473329
-
dba Baptist Neighborhood Hospital Converse
- General Acute Care Hospital
- San Antonio, TX
- NPI 1275235426
-
dba Baptist Neighborhood Hospital Rigsby
- General Acute Care Hospital
- San Antonio, TX
- NPI 1598560997
-
dba Baptist Neighborhood Hospital Overlook
- General Acute Care Hospital
- San Antonio, TX
- NPI 1205189172
-
dba Baptist Neighborhood Hospital Zarzamora
- General Acute Care Hospital
- San Antonio, TX
- NPI 1205382413
-
dba Baptist Neighborhood Hospital Hausman
- General Acute Care Hospital
- San Antonio, TX
- NPI 1225381197
-
dba Baptist Neighborhood Hospital Westover Hills
- General Acute Care Hospital
- San Antonio, TX
- NPI 1477805406
-
dba Baptist Neighborhood Hospital Schertz
- General Acute Care Hospital
- Schertz, TX
- NPI 1639422504
-
dba Baptist Neighborhood Hospital
- General Acute Care Hospital
- San Antonio, TX
- NPI 1669752234
-
dba Baptist Neighborhood Hospital Kelly
- General Acute Care Hospital
- San Antonio, TX
- NPI 1841844735
-
dba Resolute Health Hospital
- General Acute Care Hospital
- New Braunfels, TX
- NPI 1427472463
-
dba Baptist Medical Center
- General Acute Care Hospital
- San Antonio, TX
- NPI 1598744856
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1197504000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775001600000",
"number": "1629251566",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9961 SIERRA AVE",
"address_2": "MOB3, BASEMENT",
"city": "FONTANA",
"state": "CA",
"postal_code": "923356720"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9961 SIERRA AVE",
"address_2": "MOB3, BASEMENT",
"city": "FONTANA",
"state": "CA",
"postal_code": "923356720",
"telephone_number": "909-427-3562"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HO",
"first_name": "ALEXANDER",
"middle_name": "SAI-CHAK",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-12-13",
"last_updated": "2026-04-01",
"certification_date": "2026-04-01",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "CA",
"license": "A114491",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "TX",
"license": "U8344",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ILLINOIS DEPARTMENT OF FINANCIAL & PROFESSIONAL REGULATION",
"identifier": "036138037",
"state": "IL"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICAL LICENCE",
"identifier": "A114491",
"state": "CA"
}
],
"endpoints": [
{
"endpointType": "SOAP",
"endpointTypeDescription": "SOAP URL",
"endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
"affiliation": "Y",
"endpointDescription": "Carequality",
"affiliationName": "Southern California Permanente Medical Group",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "C-CDA",
"address_1": "9961 Sierra Ave",
"city": "Fontana",
"state": "CA",
"country_code": "US",
"postal_code": "923356720",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Fontana, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 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.