NPIMap

Individual provider Active NPI

Byron Kwock Lee, MD

  • Clinical Cardiac Electrophysiology Physician
  • Palo Alto, CA
National Provider Identifier
1700835584
Registry record updated Oct 2, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X
License
A54582 Issued in CA
Practice address
300 Pasteur Dr
Palo Alto, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
May 9, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 2, 2024

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A54582 CA
Cardiovascular Disease Physician 207RC0000X A54582 CA
Clinical Cardiac Electrophysiology Physician 207RC0001X A54582 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Palo Alto, CA 94305-2200

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
00A545820MedicaidCA

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
I20040324000820 CA Practitioner - Cardiac ElectrophysiologyPractitioner - Cardiovascular Disease (Cardiology) 0749171015 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiac ElectrophysiologyAlso: Cardiovascular Disease (Cardiology)
Education
Harvard Medical School, 1994
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)

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.01 of 100Reported as group
Quality
86.78
Improvement activities
40
Cost
70.46

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
95
Improvement activities
40
Cost
80.65

Merit-based Incentive Payment System (MIPS)

Final score
84.89 of 100Reported as group
Quality
81.13
Improvement activities
40
Cost
71.5

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

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A54582CAMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services Internal Medicine CurrentSince Jul 3, 2002 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jul 3, 2002 Accepting new patients
Stanford Health Care CurrentSince Aug 14, 2024 Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
Regents of the University of California Internal Medicine CurrentSince Aug 1, 2002 Accepting new patients
Zywie Inc CurrentSince Jul 1, 2025 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Aug 14, 2024 Accepting new patients
University of California SFGH Medical Group CurrentSince Jul 1, 2021 Accepting new patients
University of California San Francisco Current Accepting new patients
University of California San Francisco Internal Medicine CurrentSince Aug 1, 2002 Accepting new patients
University of California SFGH Medical Group CurrentSince Jul 1, 2021 Accepting new patients
University of California San Francisco CurrentSince Aug 1, 2002 Accepting new patients
University of California SFGH Medical Group Cardiovascular Disease CurrentSince Jul 1, 2021 Accepting new patients
Stanford Health Care Internal Medicine CurrentSince Aug 14, 2024 Accepting new patients
Stanford Health Care Tri-Valley Past Accepting new patients
Lucile Salter Packard Children's Hospital at Stanford Past Accepting new patients

Locations

20126 Stanton Ave
Ste 100
Castro Valley, CA 94546
Phone (510) 537-3556

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

400 Parnassus Ave
#300
San Francisco, CA 94143
Phone (415) 476-2163

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

1635 Divisadero St
Ste 625
San Francisco, CA 94115
Phone (415) 476-1977

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774

350 Parnassus Ave
San Francisco, CA 94117
Phone (415) 353-2119

1001 Potrero Ave
Rm 5G1
San Francisco, CA 94110
Phone (628) 206-3503

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

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

Interoperability endpoints

  • Direct secure messaging: blee10425@direct-ucsfmedicalcenter.org

Organizations & group practices 16

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.

View all 16

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": "1147132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1727827200000",
    "number": "1700835584",
    "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": "PALO ALTO",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEE",
        "first_name": "BYRON",
        "middle_name": "KWOCK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-09",
        "last_updated": "2024-10-02",
        "certification_date": "2024-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A54582",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "A54582",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "CA",
            "license": "A54582",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A545820",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.