NPIMap

Individual provider Active NPI

Timothy Chan Chang, MD

  • Urology Physician
  • Stanford, CA
National Provider Identifier
1437594496
Registry record updated Mar 13, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
A131727 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 725-5746
NPI assigned
May 5, 2013
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 13, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X A131727 CA
Urology Physician 208800000X A131727 CA Primary

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

49 Showers Dr Apt A337
Mountain View, CA 94040-1483
Phone (617) 872-8736

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190912001728 CA Practitioner - UrologyPractitioner - General Surgery 4880923010 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
UrologyAlso: General Surgery
Education
Stanford University School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

170 Alameda de Las Pulgas
Redwood City, CA 94062-2751
Phone (650) 369-5811

2585 Samaritan Dr
San Jose, CA 95124-4107
Phone (650) 723-4000

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

5565 W Las Positas Blvd
Suite 150
Pleasanton, CA 94588-5805
Phone (650) 723-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.53 of 100Reported as group
Quality
87.08
Promoting interoperability
100
Improvement activities
40
Cost
69.51

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A131727CAMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care Surgery Current Accepting new patients
Stanford Health Care Surgery CurrentSince Jul 2, 2019 Accepting new patients
Stanford Health Care CurrentSince Jul 2, 2019 Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
Lucile Salter Packard Children'S Hospital at Stanford Past Accepting new patients

Locations

7999 Gateway Blvd
Ste 200
Newark, CA 94560
Phone (510) 806-2947

1000 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8856

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

Interoperability endpoints

  • Direct secure messaging: tchang50825@direct.stanfordhealthcare.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.

Hospital & facility affiliations 10

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": "1367712000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1710288000000",
    "number": "1437594496",
    "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": "650-725-5746"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "49 Showers Dr Apt A337",
            "address_purpose": "LOCATION",
            "city": "Mountain View",
            "state": "CA",
            "postal_code": "940401483",
            "country_code": "US",
            "telephone_number": "617-872-8736",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHANG",
        "first_name": "TIMOTHY",
        "middle_name": "CHAN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-05-05",
        "last_updated": "2024-03-13",
        "certification_date": "2024-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A131727",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "CA",
            "license": "A131727",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.