Individual provider Active NPI

Stephen Yan Chun To, M.D.

  • Diagnostic Radiology Physician
  • Pomona, CA
National Provider Identifier
1932165263
Registry record updated Jun 12, 2012
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
G75106 Issued in CA
Practice address
1798 N Garey Ave
Pomona, CA 91767-2918
Phone
(909) 865-9532
Fax
(909) 397-0194
NPI assigned
Apr 25, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 12, 2012

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X G75106 CA Primary

Addresses

Primary practice location

1798 N Garey Ave
Pomona, CA 91767-2918

Mailing address

4503 Bowie
Claremont, CA 91711-8326
Phone (909) 626-4814

Other identifiers 1

IdentifierTypeStateIssuer
00G751060MedicaidCA

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040128000698 CA Practitioner - Diagnostic RadiologyPractitioner - Interventional Radiology 8628971637 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic RadiologyAlso: Interventional Radiology
Education
University of California, Geffen School of Medicine, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pomona Valley Imaging Medical Group IncGroup PAC ID 6709898562, 22 clinicians

Practice addresses (Care Compare)

1798 N Garey Ave
Pomona, CA 91767-2918
Phone (909) 865-9535

Hospital & facility affiliations

  • Pomona Valley Hospital Medical Center Hospital, Pomona, CA, CCN 050231
  • Casa Colina Hospital Hospital, Pomona, CA, CCN 050782

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G75106CAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Pomona Valley Imaging Medical Group Inc CurrentSince Feb 16, 2006 Accepting new patients
Renaissance Imaging Medical Associates, Inc. Diagnostic Radiology PastSince Apr 20, 2025 Accepting new patients
Memrad Medical Group Inc Past Accepting new patients

Locations

1798 N Garey Ave
Pomona, CA 91767
Phone (909) 865-9810

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.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1145923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1339459200000",
    "number": "1932165263",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4503 BOWIE",
            "city": "CLAREMONT",
            "state": "CA",
            "postal_code": "917118326",
            "telephone_number": "909-626-4814"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1798 N GAREY AVE",
            "city": "POMONA",
            "state": "CA",
            "postal_code": "917672918",
            "telephone_number": "909-865-9532",
            "fax_number": "909-397-0194"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TO",
        "first_name": "STEPHEN",
        "middle_name": "YAN CHUN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-04-25",
        "last_updated": "2012-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "G75106",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G751060",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Pomona, CA

Sources for this page

Verify at the official NPI Registry.