Zefr Wei-Tian Chao, MD

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

MD497398 Issued in PA

Practice address

120 Irmc Dr Ste 100
Indiana, PA 15701-3674

Phone

(724) 427-2260

Fax

(724) 427-2707

NPI assigned

Apr 2, 2021

Last updated

Oct 8, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

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

State licenses

Interoperability endpoints

• Direct secure messaging: zefr.chao@hca8.eclinicaldirectplus.com

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

{
    "created_epoch": "1617321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791417600000",
    "number": "1508445164",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 IRMC DR STE 100",
            "city": "INDIANA",
            "state": "PA",
            "postal_code": "157013674",
            "telephone_number": "724-427-2260",
            "fax_number": "724-427-2707"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 IRMC DR STE 100",
            "city": "INDIANA",
            "state": "PA",
            "postal_code": "157013674",
            "telephone_number": "724-427-2260",
            "fax_number": "724-427-2707"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAO",
        "first_name": "ZEFR",
        "middle_name": "WEI-TIAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-04-02",
        "last_updated": "2026-10-08",
        "certification_date": "2026-10-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "PA",
            "license": "MD497398",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katelyn Noel Cerutti
• Ashok Chaddah, MD
• Amy Chakot, BSN RN
• Courtney A Champion
• Jason Chang, DO
• Abbey Jane CHI, CRNP
• Jamie Chichy, PT
• Manish Kumar Choudhary, MD
• Judy Christian, MA
• Beth Erin Christy, DPT

• Rheumatology Physician in Indiana, PA
• Providers in Indiana, PA by specialty
• Rheumatology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 8, 2026; 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.