Active NPI
Benjamin Chun-Bang Weia, MD
- Internal Medicine Physician
- Stanford, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A163611
- Practice address
- 300 Pasteur Dr
Stanford, CA 94305-2200 - Phone
- (650) 723-6661
- Fax
- (650) 498-6205
- NPI assigned
- Mar 21, 2018
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A163611 | CA | Primary |
| Internal Medicine Physician | 207R00000X | V9995 | TX |
Addresses
Primary practice location
300 Pasteur Dr
Stanford, CA 94305-2200
Mailing address
325 Distel Cir
Los Altos, CA 94022-1408
Phone (650) 696-4427
Other practice location 1
100 S San Mateo Dr
San Mateo, CA 94401-3805
Phone (650) 696-4427
Other practice location 2
2727 W Holcombe Blvd
Houston, TX 77025-1669
Phone (713) 442-0000
Other names 1
- Benjamin Weia
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- 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
- University of Texas Southwestern Medical School at Dallas, 2018
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
11511 Shadow Creek Pkwy
Pearland, TX 77584-7298
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal of nail tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| V9995 | TX | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Kelsey-Seybold Medical Group, PLLC | Internal Medicine | Current | Accepting new patients |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Internal Medicine | Current | Accepting new patients |
| Stanford Health Care | Emergency Medicine | Past | Accepting new patients |
Locations
18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590
350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920
1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100
3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800
1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777
370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200
325 Distel Cir
Los Altos, CA 94022
Phone (510) 204-3977
600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755
101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200
795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832
795 El Camino Real
#1112
Palo Alto, CA 94301
725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979
1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911
151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505
3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847
100 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 696-4140
123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200
3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750
300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710
300 Pasteur Dr
#154
Stanford, CA 94305
10200 Trinity Pkwy
Ste 101
Stockton, CA 95219
Phone (209) 323-3488
550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865
2727 W Holcombe Blvd
Houston, TX 77025
Phone (713) 790-9412
Interoperability endpoints
- bweia567350@hisp.ehr.sutterhealth.org
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.
-
- Multi-Specialty Clinic/Center
- Houston, TX
- NPI 1013915255
Internal Medicine
-
- Multi-Specialty Clinic/Center
- Sacramento, CA
- NPI 1003267196
Internal Medicine
-
- Multi-Specialty Clinic/Center
- Palo Alto, CA
- NPI 1013950807
-
- Clinical Medical Laboratory
- Santa Clara, CA
- NPI 1669287033
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Burlingame, CA
- NPI 1043670334
-
- General Acute Care Hospital
- Menlo Park, CA
- NPI 1295199701
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1521590400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770249600000",
"number": "1316441694",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "325 DISTEL CIR",
"city": "LOS ALTOS",
"state": "CA",
"postal_code": "940221408",
"telephone_number": "650-696-4427"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "300 PASTEUR DR",
"city": "STANFORD",
"state": "CA",
"postal_code": "943052200",
"telephone_number": "650-723-6661",
"fax_number": "650-498-6205"
}
],
"practiceLocations": [
{
"address_1": "100 S San Mateo Dr",
"address_purpose": "LOCATION",
"city": "San Mateo",
"state": "CA",
"postal_code": "944013805",
"country_code": "US",
"telephone_number": "650-696-4427",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2727 W Holcombe Blvd",
"address_purpose": "LOCATION",
"city": "Houston",
"state": "TX",
"postal_code": "770251669",
"country_code": "US",
"telephone_number": "713-442-0000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WEIA",
"first_name": "BENJAMIN",
"middle_name": "CHUN-BANG",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-03-21",
"last_updated": "2026-02-05",
"certification_date": "2026-02-05",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A163611",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "TX",
"license": "V9995",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "BENJAMIN",
"last_name": "WEIA",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Stanford, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 5, 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.