NPIMap

Individual provider Active NPI

Sean Zachary Griffiths, D.O.

  • Orthopaedic Surgery Physician
  • Walnut Creek, CA
National Provider Identifier
1457705667
Registry record updated Nov 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
20026 Issued in CA
Practice address
2405 Shadelands Dr Ste 300
Walnut Creek, CA 94598-5906
Phone
(925) 939-8585
NPI assigned
Apr 14, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 20026 CA Primary

Addresses

Primary practice location

2405 Shadelands Dr Ste 300
Walnut Creek, CA 94598-5906

Mailing address

PO Box 31396
Walnut Creek, CA 94598-8396
Phone (925) 939-8585

Other practice location 1

3315 Broadway
Oakland, CA 94611-5717
Phone (925) 939-8585

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
I20220824001819 CA Practitioner - Orthopedic Surgery 5698177764 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Touro Un College of Osteopathic Medicine, Vallejo, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

2405 Shadelands Dr
Walnut Creek, CA 94598-2444
Phone (925) 939-8585

2450 Ashby Ave
Berkeley, CA 94705-2067
Phone (510) 204-4444

3200 Kearney St
Fremont, CA 94538-2299
Phone (510) 490-1222

350 30TH St
Suite 100
Oakland, CA 94609-3422
Phone (510) 204-8290

350 Hawthorne Ave
Oakland, CA 94609-3108
Phone (510) 655-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement62
Knee replacement137
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
John Muir Trauma Physicians Billing Service Current Accepting new patients
John Muir Trauma Physicians Billing Service CurrentSince Oct 29, 2022 Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery CurrentSince Oct 3, 2022 Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery CurrentSince Oct 3, 2022 Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery Current Accepting new patients
San Ramon Regional Medical Center, LLC Past Accepting new patients
Banner Desert Medical Center Past Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery Past Accepting new patients
Sequoia Health Services Past Accepting new patients
Banner Thunderbird Medical Center Past Accepting new patients
John Muir Health Past Accepting new patients
Banner del E Webb Medical Center Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
Alta Bates Summit Medical Center Past Accepting new patients
John Muir Health Past Accepting new patients

Locations

3315 Broadway
Oakland, CA 94611
Phone (510) 486-2300

3315 Broadway
Fl 1
Oakland, CA 94611
Phone (510) 486-2300

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
Phone (925) 295-1545

2405 Shadelands Dr
Ste 300
Walnut Creek, CA 94598

2405 Shadelands Dr
Walnut Creek, CA 94598
Phone (615) 930-0820

Interoperability endpoints

  • Direct secure messaging: sean.griffiths.p1@direct.muirortho.nextgenshare.com
  • Direct secure messaging: sgriffiths636311@hisp.ehr.sutterhealth.org

Organizations & group practices 16

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.

View all 16

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": "1460592000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762905600000",
    "number": "1457705667",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31396",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945988396",
            "telephone_number": "925-939-8585"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2405 SHADELANDS DR STE 300",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945985906",
            "telephone_number": "925-939-8585"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3315 Broadway",
            "address_purpose": "LOCATION",
            "city": "Oakland",
            "state": "CA",
            "postal_code": "946115717",
            "country_code": "US",
            "telephone_number": "925-939-8585",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRIFFITHS",
        "first_name": "SEAN",
        "middle_name": "ZACHARY",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-14",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "20026",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.