Active NPI
Ray Rui Zhang, MD, PHD
- Nuclear Medicine Physician
- Stanford, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nuclear Medicine Physician
- License
- A182515
- Practice address
- 300 Pasteur Dr
Stanford, CA 94305-2200 - Phone
- (650) 723-4000
- NPI assigned
- Mar 28, 2019
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | A182515 | CA | |
| Nuclear Medicine Physician | 207U00000X | A182515 | CA | Primary |
| Internal Medicine Physician | 207R00000X | 125.073727 | IL |
Addresses
Primary practice location
300 Pasteur Dr
Stanford, CA 94305-2200
Mailing address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000
Other practice location 1
333 E Ontario St Apt 813
Chicago, IL 60611-6945
Phone (608) 770-9649
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, HI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Nuclear Medicine
- Education
- University of Wisconsin School of Medicine, 2019
- Medicare assignment
- May accept Medicare assignment
- Group practices
Practice addresses (Care Compare)
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone (925) 295-1545
1601 Ygnacio Vly Rd
Walnut Creek, CA 94596-0921
Phone (925) 939-3000
500 Ala Moana Blvd
Suite 7 421
Honolulu, HI 96813-4902
Phone (925) 296-7150
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine, Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 125.073727 | IL | MD | Internal Medicine Physician |
| A182515 | CA | MD | Nuclear Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Bay Imaging Consultants Medical Group Inc | Diagnostic Radiology | Current | Accepting new patients |
| Bay Imaging Consultants Medical Group Inc | Diagnostic Radiology | Current | Accepting new patients |
| Stanford Health Care | Current | Accepting new patients | |
| Advanced Radiology and Interventional Associates Inc | Diagnostic Radiology | Current | Accepting new patients |
| Bay Imaging Consultants Medical Group Inc | Diagnostic Radiology | Current | Accepting new patients |
| Bay Imaging Consultants Medical Group Inc | Diagnostic Radiology | Current | Accepting new patients |
| LPCH Medical Group Div of Lucile | Current | Accepting new patients | |
| Magnetic Imaging Affiliates, LLC | Diagnostic Radiology | Current | Accepting new patients |
| John Muir Trauma Physicians Billing Service | Diagnostic Radiology | Current | Accepting new patients |
| John Muir Magnetic Imaging Center | Diagnostic Radiology | Current | Accepting new patients |
| Stanford Health Care | Internal Medicine | Current | Accepting new patients |
| Stanford Health Care | Internal Medicine | Past | Accepting new patients |
| Port City Operating Company, LLC | Past | Accepting new patients |
Locations
3001 Sillect Ave
Bakersfield, CA 93308
Phone (661) 316-6000
1900 Sullivan Ave
Daly City, CA 94015
Phone (650) 991-6503
975 S Fairmont Ave
Lodi, CA 95240
Phone (209) 339-7575
1205 E North St
Manteca, CA 95336
Phone (209) 239-8301
333 Mercy Ave
Merced, CA 95340
Phone (209) 385-1280
450 Glass Ln
Ste C
Modesto, CA 95356
3100 Summit St
Oakland, CA 94609
Phone (510) 869-8377
725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979
300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710
525 W Acacia St
Stockton, CA 95203
Phone (209) 944-5410
3439 Brookside Rd
Ste 107
Stockton, CA 95219
Phone (209) 466-5027
607 E Magnolia St
Stockton, CA 95202
Phone (209) 616-6600
1800 N California St
Stockton, CA 95204
Phone (209) 467-6400
3439 Brookside Rd
Stockton, CA 95219
1617 N California St
Ste 1A
Stockton, CA 95204
Phone (209) 467-6363
300 Hospital Dr
#1112
Vallejo, CA 94589
Phone (707) 554-4107
115 La Casa Via
#100
Walnut Creek, CA 94598
Phone (925) 295-1545
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
Phone (925) 295-1545
500 Ala Moana Blvd
Ste 7421
Honolulu, HI 96813
Organizations & group practices 15
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
- Walnut Creek, CA
- NPI 1356597637
-
- Hospitalist Physician
- Walnut Creek, CA
- NPI 1093864837
-
- Diagnostic Radiology Physician
- Stockton, CA
- NPI 1669123626
-
dba Lucile Salter Packard Children's Hospital at Stanford
- Children's Hospital
- Palo Alto, CA
- NPI 1417907940
-
dba Stanford Medical Center A Trade Name for Stanford Health Care
- General Acute Care Hospital
- Stanford, CA
- NPI 1437292927
Internal Medicine
-
- Diagnostic Radiology Physician
- Honolulu, HI
- NPI 1134681067
-
- Diagnostic Radiology Physician
- Brentwood, CA
- NPI 1730335605
-
- Diagnostic Radiology Physician
- Walnut Creek, CA
- NPI 1831756139
-
- Diagnostic Radiology Physician
- Berkeley, CA
- NPI 1871749754
-
- Trauma Surgery Physician
- Walnut Creek, CA
- NPI 1962551861
Diagnostic Radiology
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Good Samaritan Hospital
- General Acute Care Hospital
- San Jose, CA
- NPI 1437103777
-
dba John Muir Health, Walnut Creek Medical Center
- General Acute Care Hospital
- Walnut Creek, CA
- NPI 1740215219
-
dba John Muir Health Medical Center, Concord Campus
- General Acute Care Hospital
- Concord, CA
- NPI 1801821376
-
- General Acute Care Hospital
- San Ramon, CA
- NPI 1932131489
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1553731200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1772668800000",
"number": "1417418856",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "300 PASTEUR DR",
"city": "STANFORD",
"state": "CA",
"postal_code": "943052200",
"telephone_number": "650-723-4000"
},
{
"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": "650-723-4000"
}
],
"practiceLocations": [
{
"address_1": "333 E Ontario St Apt 813",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606116945",
"country_code": "US",
"telephone_number": "608-770-9649",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ZHANG",
"first_name": "RAY",
"middle_name": "RUI",
"credential": "MD, PHD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2019-03-28",
"last_updated": "2026-03-05",
"certification_date": "2026-03-05",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "CA",
"license": "A182515",
"primary": false
},
{
"code": "207U00000X",
"taxonomy_group": "",
"desc": "Nuclear Medicine",
"state": "CA",
"license": "A182515",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IL",
"license": "125.073727",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
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 Mar 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.