George Chang Chien, D.O.

Primary specialty

Interventional Pain Medicine PhysicianTaxonomy code 208VP0014X

License

20A14068 Issued in CA

Practice address

133 W Santa Clara St
Ventura, CA 93001-2543

Phone

(805) 641-5600

NPI assigned

Apr 4, 2010

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Electronic endpoints 1

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

Specialty

Physical Medicine and RehabilitationAlso: Pain Management

Education

College of Osteo Med of the Pacific at Pomona, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

County of VenturaGroup PAC ID 7911810171, 340 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ventura County Medical Center Hospital, Ventura, CA, CCN 050159

Merit-based Incentive Payment System (MIPS)

Final score

86.02 of 100Reported as group

Quality

64.51

Promoting interoperability

100

Improvement activities

40

Cost

72.21

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: george.changchien@ventura.cernerdirect.com

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.

• County of Ventura

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457

  Interventional Pain Medicine

  Medicare reassignment Care Compare group NPD
• County of Ventura

  • Federally Qualified Health Center (FQHC)
  • Thousand Oaks, CA
  • NPI 1316188253
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• County of Ventura

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457
  Care Compare affiliation

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

{
    "created_epoch": "1270339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1733356800000",
    "number": "1346565280",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1038 LOMA LISA LN",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910062218"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 W SANTA CLARA ST",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930012543",
            "telephone_number": "805-641-5600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "825 N 10th St",
            "address_purpose": "LOCATION",
            "city": "Santa Paula",
            "state": "CA",
            "postal_code": "930601309",
            "country_code": "US",
            "telephone_number": "805-933-8650",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3291 Loma Vista Rd",
            "address_purpose": "LOCATION",
            "city": "Ventura",
            "state": "CA",
            "postal_code": "93003",
            "country_code": "US",
            "telephone_number": "805-648-9830",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Hillmont Ave",
            "address_purpose": "LOCATION",
            "city": "Ventura",
            "state": "CA",
            "postal_code": "930031651",
            "country_code": "US",
            "telephone_number": "805-652-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHANG CHIEN",
        "first_name": "GEORGE",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-04-04",
        "last_updated": "2024-12-05",
        "certification_date": "2024-12-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208VP0000X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Pain Medicine",
            "state": "CA",
            "license": "20A14068",
            "primary": false
        },
        {
            "code": "208VP0014X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": "CA",
            "license": "20A14068",
            "primary": true
        },
        {
            "code": "2081P2900X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation, Pain Medicine",
            "state": "CA",
            "license": "20A14068",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "george.changchien@ventura.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Cerner Direct Secure Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Information",
            "address_1": "3291 Loma Vista Rd",
            "city": "Ventura",
            "state": "CA",
            "country_code": "US",
            "postal_code": "93003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• William Champion
• Ivan Wah-Chiang Chan, LMFT
• May Chan, O.D.
• Melenie Chandler, PTA
• Mark Allen Chaney, A.T.C.
• Annie Chang
• David Chang, LVN
• Diana Juhee Chang
• Kyung Sook Chang
• Li-Wen Chang

• Interventional Pain Medicine Physician in Ventura, CA
• Providers in Ventura, CA by specialty
• Interventional Pain Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.