Individual provider Active NPI

Garrett Karl Chan, NP

  • Nurse Practitioner
  • Stanford, CA
National Provider Identifier
1144467028
Registry record updated Dec 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
16884 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Jan 14, 2009
Last updated
Dec 30, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 30, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 16884 CA Primary
Acute Care Nurse Practitioner 363LA2100X NPF16884 CA
Primary Care Nurse Practitioner 363LP2300X 16884 CA
Emergency Clinical Nurse Specialist 364SE0003X 1407 CA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

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

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110210000521 CA Practitioner - Nurse Practitioner 2466632294 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
16884CAMDAddiction (Substance Use Disorder) Counselor
NPF16884CAMDAcute Care Nurse Practitioner
1407CAMDAdvanced Practice Midwife

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 7

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": "1231891200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1144467028",
    "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": [],
    "basic": {
        "last_name": "CHAN",
        "first_name": "GARRETT",
        "middle_name": "KARL",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-01-14",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "16884",
            "primary": true
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CA",
            "license": "NPF16884",
            "primary": false
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "CA",
            "license": "16884",
            "primary": false
        },
        {
            "code": "364SE0003X",
            "taxonomy_group": "",
            "desc": "Clinical Nurse Specialist, Emergency",
            "state": "CA",
            "license": "1407",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.