Individual provider Active NPI

Han Kyo K Chang, M.D

  • Internal Medicine Physician
  • Walnut Creek, CA
National Provider Identifier
1235127150
Registry record updated Nov 30, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
C138034 Issued in CA
Practice address
1434 Stanley Dollar Dr
Unit 3B
Walnut Creek, CA 94595
Phone
(716) 418-4665
Fax
(925) 954-8696
NPI assigned
Oct 13, 2005
Last updated
Nov 30, 2022By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 30, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X 125005 NY
Internal Medicine Physician 207R00000X C138034 CA Primary

Addresses

Primary practice location

1434 Stanley Dollar Dr
Unit 3B
Walnut Creek, CA 94595

Mailing address

1434 Stanley Dollar Dr
Unit 3B
Walnut Creek, CA 94595
Phone (716) 418-4665

Other identifiers 4

IdentifierTypeStateIssuer
0400458OtherNYIHA
5071127OtherNYCOMM BLUE/BC
00010028501OtherNYUNIVERA
00602837MedicaidNY

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
I20181113001096 CA Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 8820161243

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C138034CAMDInternal Medicine Physician

Interoperability endpoints

  • Direct secure messaging: hchang716956@direct.ochin.org

NPI Registry JSON

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

{
    "created_epoch": "1129161600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1669766400000",
    "number": "1235127150",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1434 STANLEY DOLLAR DR",
            "address_2": "UNIT 3B",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "94595",
            "telephone_number": "716-418-4665",
            "fax_number": "925-954-8696"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1434 STANLEY DOLLAR DR",
            "address_2": "UNIT 3B",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "94595",
            "telephone_number": "716-418-4665",
            "fax_number": "925-954-8696"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "HAN KYO",
        "middle_name": "K",
        "credential": "M.D",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-10-13",
        "last_updated": "2022-11-30",
        "certification_date": "2022-11-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "NY",
            "license": "125005",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C138034",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "IHA",
            "identifier": "0400458",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "COMM BLUE/BC",
            "identifier": "5071127",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNIVERA",
            "identifier": "00010028501",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00602837",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.