NPIMap

Individual provider Active NPI

Kenneth William Mahaffey, MD

  • Cardiovascular Disease Physician
  • Stanford, CA
National Provider Identifier
1659455707
Registry record updated Apr 23, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
G129600 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Oct 25, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 23, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 96-00991 NC
Cardiovascular Disease Physician 207RC0000X G129600 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 identifiers 1

IdentifierTypeStateIssuer
8953735MedicaidNC

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
I20140709002697 CA Practitioner - Cardiovascular Disease (Cardiology) 2860529765 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
University of Washington School of Medicine, 1989
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)

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

5800 Hollis St
Emeryville, CA 94608-2016
Phone (510) 806-2100

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
G129600CAMDCardiovascular Disease Physician
96-00991NCMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care CurrentSince Jun 1, 2014 Accepting new patients
Stanford Health Care Current Accepting new patients
Stanford Health Care CurrentSince Jun 1, 2014 Accepting new patients
Lucile Salter Packard Children's Hospital at Stanford Past Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients

Locations

1804 Embarcadero Rd
Ste 100
Palo Alto, CA 94303
Phone (650) 497-9067

300 Pasteur Dr
#S102
Stanford, CA 94305

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

Interoperability endpoints

  • Direct secure messaging: kmahaffey115849@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 11

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": "1161734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1713830400000",
    "number": "1659455707",
    "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": "MAHAFFEY",
        "first_name": "KENNETH",
        "middle_name": "WILLIAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-25",
        "last_updated": "2024-04-23",
        "certification_date": "2024-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NC",
            "license": "96-00991",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "G129600",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8953735",
            "state": "NC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.