Individual provider Active NPI

George Tischenko, M.D.

  • Orthopaedic Surgery Physician
  • Walnut Creek, CA
National Provider Identifier
1639128572
Registry record updated Nov 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
G55232 Issued in CA
Practice address
2405 Shadelands Dr Ste 300
Walnut Creek, CA 94598-5906
Phone
(925) 939-8585
Fax
(925) 933-2709
NPI assigned
May 9, 2006
Last updated
Nov 12, 2025By the provider in NPPES
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 G55232 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

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
I20040727000897 CA Practitioner - Orthopedic Surgery 5395657803 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
University of Cincinnati College of Medicine, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G55232CAMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
John Muir Trauma Physicians Billing Service Current Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery CurrentSince Mar 1, 2001 Accepting new patients
John Muir Trauma Physicians Billing Service CurrentSince Jul 23, 2018 Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery CurrentSince Mar 1, 2001 Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery Past Accepting new patients

Locations

350 John Muir Pkwy
Ste 155
Brentwood, CA 94513

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

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

2405 Shadelands Dr
Ste 300
Walnut Creek, CA 94598

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: george.tischenko@direct.muirortho.nextgenshare.com

Organizations & group practices 5

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 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": "1147132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762905600000",
    "number": "1639128572",
    "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": "2405 SHADELANDS DR STE 300",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945985906",
            "telephone_number": "925-939-8585",
            "fax_number": "925-933-2709"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TISCHENKO",
        "first_name": "GEORGE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-09",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "G55232",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.