Patrick S Chang, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

21908 Issued in AZ

Practice address

10535 Hospital Way
Mather, CA 95655-4200

Phone

(916) 843-7000

NPI assigned

Feb 23, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in AZ

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Modern Foot & Ankle Centers, PLLC

  • Podiatrist
  • Gilbert, AZ
  • NPI 1144840273
  NPD

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

{
    "created_epoch": "1140652800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766707200000",
    "number": "1861467656",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10535 HOSPITAL WAY",
            "city": "MATHER",
            "state": "CA",
            "postal_code": "956554200",
            "telephone_number": "916-843-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10535 HOSPITAL WAY",
            "city": "MATHER",
            "state": "CA",
            "postal_code": "956554200",
            "telephone_number": "916-843-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "PATRICK",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-23",
        "last_updated": "2025-12-26",
        "certification_date": "2025-12-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "21908",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "346967",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sherlla Gabrielle Cayanan, PHARMD
• Ian Chan, MD
• Jane Chan, RPH
• Erica Yee Chang
• Joni Chang, PHARMD
• Alice Chen, PHARMD
• Clement Chenhung Cheng, M.D.
• Jaime Kimiko Chew, PHARM.D.
• Nipavan Chiamvimonvat, M.D.
• Shin Shan Cho

• All providers in Mather, CA
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 26, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.