NPIMap

Individual provider Active NPI

Krystle Man Chin Leung, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Stanford, CA
National Provider Identifier
1831658186
Registry record updated Jul 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
A176254 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Mar 17, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 15, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A176254 CA
Pulmonary Disease Physician 207RP1001X A176254 CA
Sleep Medicine (Internal Medicine) Physician 207RS0012X A176254 CA
Critical Care Medicine (Internal Medicine) Physician 207RC0200X A176254 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200

Other practice location 1

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000

Other practice location 2

2425 Samaritan Dr
San Jose, CA 95124-3908
Phone (650) 507-6544

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
I20250423002362 CA Practitioner - Pulmonary DiseasePractitioner - Sleep Medicine 5698004778 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Sleep Medicine
Education
Harvard Medical School, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University Healthcare AllianceGroup PAC ID 6305748799, 334 clinicians
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

2425 Samaritan Dr
San Jose, CA 95124-3908
Phone (888) 924-1036

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

50 E Hamilton Ave
Suite 280
Campbell, CA 95008-0273
Phone (408) 227-2646

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A176254CAMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care Internal Medicine Current Accepting new patients
Stanford Health Care CurrentSince Apr 2, 2025 Accepting new patients
University Healthcare Alliance Internal Medicine CurrentSince Nov 4, 2025 Accepting new patients
Stanford Health Care CurrentSince Apr 2, 2025 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Apr 2, 2025 Accepting new patients
Affinity Medical Group Past Accepting new patients

Locations

50 E Hamilton Ave
Ste 280
Campbell, CA 95008
Phone (408) 227-2646

1300 Crane St
Menlo Park, CA 94025
Phone (510) 785-5000

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

4725 1st St
Ste 100
Pleasanton, CA 94566
Phone (925) 462-7060

2425 Samaritan Dr
San Jose, CA 95124
Phone (408) 354-2114

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

Interoperability endpoints

  • Direct secure messaging: kleung364606@direct.stanfordhealthcare.org

Organizations & group practices 6

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 9

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": "1552780800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752537600000",
    "number": "1831658186",
    "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"
        },
        {
            "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": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "650-497-8000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2425 Samaritan Dr",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951243908",
            "country_code": "US",
            "telephone_number": "650-507-6544",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEUNG",
        "first_name": "KRYSTLE",
        "middle_name": "MAN CHIN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-17",
        "last_updated": "2025-07-15",
        "certification_date": "2025-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A176254",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A176254",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "CA",
            "license": "A176254",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A176254",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.