Individual provider Active NPI

Karen Y Chen, PA

  • Physician Assistant
  • Fremont, CA
National Provider Identifier
1891374963
Registry record updated Jan 19, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
60110 Issued in CA
Practice address
39210 State St Ste 218
Fremont, CA 94538-1456
Phone
(510) 790-0477
Fax
(510) 790-1835
NPI assigned
Apr 6, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 19, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 60110 CA Primary

Addresses

Primary practice location

39210 State St Ste 218
Fremont, CA 94538-1456

Mailing address

525 South Dr Ste 115
Mountain View, CA 94040-4211

Other practice location 1

603 S Knickerbocker Dr
Sunnyvale, CA 94087-1034
Phone (408) 736-0441

Other practice location 2

3060 Broadway
Redwood City, CA 94062-1512
Phone (650) 361-1177

Other practice location 3

2420 Samaritan Dr
San Jose, CA 95124-3907
Phone (408) 369-5600

Other practice location 4

525 South Dr Ste 115
Mountain View, CA 94040-4211
Phone (650) 969-6500

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
I20211130001994 CA Practitioner - Physician Assistant 2365832656 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Csi Medical GroupGroup PAC ID 5890916845, 104 clinicians

Practice addresses (Care Compare)

2555 Ocean Ave
Suite 203
San Francisco, CA 94132-1645
Phone (415) 921-3322

3838 California St
RM 610
San Francisco, CA 94118-1508
Phone (415) 387-8007

909 Hyde St
Suite 419
San Francisco, CA 94109-4846
Phone (415) 678-5887

Merit-based Incentive Payment System (MIPS)

Final score
85.34 of 100Reported as group
Quality
90.85
Promoting interoperability
87
Improvement activities
40
Cost
71.11

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Interoperability endpoints

  • Direct secure messaging: kareny.chen@schweigerderm.emadirect.md
  • Direct secure messaging: kchen@csinorthca.emadirect.md

Organizations & group practices 1

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1617667200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1674086400000",
    "number": "1891374963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "525 SOUTH DR STE 115",
            "city": "MOUNTAIN VIEW",
            "state": "CA",
            "postal_code": "940404211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "39210 STATE ST STE 218",
            "city": "FREMONT",
            "state": "CA",
            "postal_code": "945381456",
            "telephone_number": "510-790-0477",
            "fax_number": "510-790-1835"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "603 S Knickerbocker Dr",
            "address_purpose": "LOCATION",
            "city": "Sunnyvale",
            "state": "CA",
            "postal_code": "940871034",
            "country_code": "US",
            "telephone_number": "408-736-0441",
            "fax_number": "408-736-0722",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3060 Broadway",
            "address_purpose": "LOCATION",
            "city": "Redwood City",
            "state": "CA",
            "postal_code": "940621512",
            "country_code": "US",
            "telephone_number": "650-361-1177",
            "fax_number": "650-361-1826",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2420 Samaritan Dr",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951243907",
            "country_code": "US",
            "telephone_number": "408-369-5600",
            "fax_number": "408-369-5625",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "525 South Dr Ste 115",
            "address_purpose": "LOCATION",
            "city": "Mountain View",
            "state": "CA",
            "postal_code": "940404211",
            "country_code": "US",
            "telephone_number": "650-969-6500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "KAREN",
        "middle_name": "Y",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-06",
        "last_updated": "2023-01-19",
        "certification_date": "2023-01-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "60110",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fremont, CA

Sources for this page

Verify at the official NPI Registry.