Individual provider Active NPI

Grace S. Chou, M.D.

  • Family Medicine Physician
  • Walnut Creek, CA
National Provider Identifier
1053309369
Registry record updated Feb 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A63403 Issued in CA
Practice address
1450 Treat Blvd Ste 250B
Walnut Creek, CA 94597-2168
Phone
(925) 296-9740
NPI assigned
Oct 11, 2005
Last updated
Feb 27, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 27, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A63403 CA Primary

Addresses

Primary practice location

1450 Treat Blvd Ste 250B
Walnut Creek, CA 94597-2168

Mailing address

1450 Treat Blvd Ste 300
Walnut Creek, CA 94597-2168
Phone (925) 952-2855

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
I20080710000401 CA Practitioner - Family PracticePractitioner - Internal Medicine 5698847424 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Clvlnd Clinic Lerner College of Med of Case WSTN RSV University, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
John Muir Physician NetworkGroup PAC ID 6608789813, 488 clinicians

Practice addresses (Care Compare)

1450 Treat Blvd
Suite 250B
Walnut Creek, CA 94597-2168
Phone (925) 296-9740

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A63403CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
John Muir Physician Network CurrentSince Mar 3, 2025 Accepting new patients
Stanford Health Care Past Accepting new patients
Alliance Medical Group, Inc. Family Medicine Past Accepting new patients

Locations

2400 Balfour Rd
Ste 120
Brentwood, CA 94513
Phone (925) 308-8112

380 Civic Dr
Ste 100
Pleasant Hill, CA 94523
Phone (925) 284-3840

1450 Treat Blvd
Ste 250B
Walnut Creek, CA 94597
Phone (925) 296-9740

1450 Treat Blvd
Ste 300
Walnut Creek, CA 94597

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 5

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": "1128988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740614400000",
    "number": "1053309369",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1450 TREAT BLVD STE 300",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972168",
            "telephone_number": "925-952-2855"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1450 TREAT BLVD STE 250B",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972168",
            "telephone_number": "925-296-9740"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHOU",
        "first_name": "GRACE",
        "middle_name": "S.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-10-11",
        "last_updated": "2025-02-27",
        "certification_date": "2025-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A63403",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.