Individual provider Active NPI

Michael Francis Sacco, MD

  • Orthopaedic Hand Surgery Physician
  • Concord, CA
National Provider Identifier
1316050594
Registry record updated Nov 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Hand Surgery PhysicianTaxonomy code 207XS0106X
License
G85003 Issued in CA
Practice address
1800 Sutter St Ste 100
Concord, CA 94520-2530
Phone
(925) 939-8585
Fax
(925) 933-2709
NPI assigned
Aug 15, 2006
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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Hand Surgery Physician 207XS0106X G85003 CA Primary
Orthopaedic Surgery Physician 207X00000X G85003 CA

Addresses

Primary practice location

1800 Sutter St Ste 100
Concord, CA 94520-2530

Mailing address

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

Other practice location 1

2625 Shadelands Dr
Walnut Creek, CA 94598-2512
Phone (925) 939-8585

Other identifiers 2

IdentifierTypeStateIssuer
CA185052OtherCAMEDICARE PTAN
200043108OtherRAILROAD MEDICARE

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
I20081009000515 CA Practitioner - Hand SurgeryPractitioner - Orthopedic Surgery 7214005826 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hand SurgeryAlso: Orthopedic Surgery
Education
Loyola University of Chicago, Stritch School of Medicine, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1800 Sutter St
Suite 100
Concord, CA 94520-2530
Phone (925) 939-8585

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper limb (arm) arthroscopy (minimally invasive joint repair)26
Removal of tissue1-10
Removal of nail tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G85003CAMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Golden State Orthopedics & Spine Orthopaedic Surgery CurrentSince Feb 1, 2016 Accepting new patients
John Muir Trauma Physicians Billing Service CurrentSince Jul 2, 2018 Accepting new patients
John Muir Trauma Physicians Billing Service Current Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery CurrentSince Feb 1, 2016 Accepting new patients
John Muir Health Past Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery Past Accepting new patients
John Muir Health Past Accepting new patients
County of Santa Clara Past Accepting new patients

Locations

350 John Muir Pkwy
Ste 155
Brentwood, CA 94513

1800 Sutter St
Ste 100
Concord, CA 94520
Phone (925) 691-0500

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

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

2625 Shadelands Dr
Walnut Creek, CA 94598
Phone (925) 210-8500

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: michael.sacco@direct.muirortho.nextgenshare.com

Organizations & group practices 8

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 2

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": "1155600000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762905600000",
    "number": "1316050594",
    "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",
            "fax_number": "925-933-2709"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 SUTTER ST STE 100",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202530",
            "telephone_number": "925-939-8585",
            "fax_number": "925-933-2709"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2625 Shadelands Dr",
            "address_purpose": "LOCATION",
            "city": "Walnut Creek",
            "state": "CA",
            "postal_code": "945982512",
            "country_code": "US",
            "telephone_number": "925-939-8585",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SACCO",
        "first_name": "MICHAEL",
        "middle_name": "FRANCIS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-15",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0106X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": "CA",
            "license": "G85003",
            "primary": true
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "G85003",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN",
            "identifier": "CA185052",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "200043108",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Concord, CA

Sources for this page

Verify at the official NPI Registry.