Individual provider Active NPI

Yishui Chen, MD

  • Sleep Medicine (Internal Medicine) Physician
  • Novato, CA
National Provider Identifier
1619546884
Registry record updated May 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X
License
A201576 Issued in CA
Practice address
100 Rowland Way Ste 300
Novato, CA 94945-5041
Phone
(415) 878-0225
Fax
(415) 878-0215
NPI assigned
Jun 22, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 22, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Sleep Medicine (Internal Medicine) Physician 207RS0012X A201576 CA Primary
Neurology Physician 2084N0400X A201576 CA

Addresses

Primary practice location

100 Rowland Way Ste 300
Novato, CA 94945-5041

Mailing address

550 Kirkham St Apt 5
San Francisco, CA 94122-3649

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
I20250529001877 CA Order and Referring Only - Sleep MedicinePractitioner - NeurologyPractitioner - Sleep Medicine 4880096320

Care Compare profile

Medicare Care Compare
Specialty
Sleep Medicine
Education
University of South Florida College of Medicine, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

100 Rowland Way
Novato, CA 94945-5041

550 Kirkham St
Apt 5
San Francisco, CA 94122-3649

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A201576CAMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Darya Soto MD Inc Sleep Medicine CurrentSince Aug 1, 2026 Accepting new patients
Floyd County Memorial Hospital Commission Past Accepting new patients
Darya Soto MD Inc Sleep Medicine PastSince Aug 1, 2026 Accepting new patients

Locations

100 Rowland Way
Ste 300
Novato, CA 94945
Phone (415) 697-8659

7100 Redwood Blvd
Ste 150
Novato, CA 94945
Phone (415) 878-0215

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.

NPI Registry JSON

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

{
    "created_epoch": "1624320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1619546884",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 KIRKHAM ST APT 5",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941223649"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 ROWLAND WAY STE 300",
            "city": "NOVATO",
            "state": "CA",
            "postal_code": "949455041",
            "telephone_number": "415-878-0225",
            "fax_number": "415-878-0215"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHEN",
        "first_name": "YISHUI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-22",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "CA",
            "license": "A201576",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "A201576",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Novato, CA

Sources for this page

Verify at the official NPI Registry.