Individual provider Active NPI

Cathy Lynn Riker, MD

  • Rheumatology Physician
  • Menlo Park, CA
National Provider Identifier
1255448189
Registry record updated Apr 16, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
G74920 Issued in CA
Practice address
1300 Crane St
Menlo Park, CA 94025-4260
Phone
(650) 498-6500
NPI assigned
Aug 24, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 16, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X G74920 CA
Rheumatology Physician 207RR0500X G74920 CA Primary

Addresses

Primary practice location

1300 Crane St
Menlo Park, CA 94025-4260

Mailing address

1300 Crane St
Menlo Park, CA 94025-4260
Phone (650) 498-6500

Other practice location 1

PO Box 60000
File #72484
San Francisco, CA 94160-0001
Phone (999) 999-9999

Other identifiers 1

IdentifierTypeStateIssuer
MMM00087MOtherNHIC

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090212000260 CA Practitioner - RheumatologyPractitioner - Internal Medicine 1850456534 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Internal Medicine
Education
Icahn School of Medicine at Mount Sinai, 1986
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

Practice addresses (Care Compare)

1300 Crane St
Menlo Park, CA 94025-4260
Phone (650) 498-6500

Hospital & facility affiliations

  • Stanford Health Care Hospital, Stanford, CA, CCN 050441

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G74920CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Healthcare Alliance Internal Medicine CurrentSince Jul 1, 1993 Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
Affinity Medical Group Past Accepting new patients

Locations

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

Interoperability endpoints

  • Direct secure messaging: criker41086@direct.stanfordhealthcare.org

Organizations & group practices 3

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 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": "1156377600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1713225600000",
    "number": "1255448189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1300 CRANE ST",
            "city": "MENLO PARK",
            "state": "CA",
            "postal_code": "940254260",
            "telephone_number": "650-498-6500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1300 CRANE ST",
            "city": "MENLO PARK",
            "state": "CA",
            "postal_code": "940254260",
            "telephone_number": "650-498-6500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "PO Box 60000",
            "address_2": "File #72484",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941600001",
            "country_code": "US",
            "telephone_number": "999-999-9999",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RIKER",
        "first_name": "CATHY",
        "middle_name": "LYNN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-24",
        "last_updated": "2024-04-16",
        "certification_date": "2024-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G74920",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "G74920",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NHIC",
            "identifier": "MMM00087M",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Menlo Park, CA

Sources for this page

Verify at the official NPI Registry.