Zenas Chang, MD, MS

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

01084636A Issued in IN

Practice address

535 Barnhill Dr Ste 436
Indianapolis, IN 46202-5116

Phone

(317) 948-7583

NPI assigned

May 24, 2013

Last updated

Mar 5, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 2

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in IN

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

Obstetrics/GynecologyAlso: Gynecological Oncology

Education

New York Medical College, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Indiana University Health Hospital, Indianapolis, IN, CCN 150056
• Eskenazi Health Hospital, Indianapolis, IN, CCN 150024
• Iu Health West Hospital Hospital, Avon, IN, CCN 150158
• Indiana University Health Bloomington Hospital Hospital, Bloomington, IN, CCN 150051
• Union Hospital Inc Hospital, Terre Haute, IN, CCN 150023

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Master of Science

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: zchang@direct.iuhealth.org
• Direct secure messaging: zchang80892@direct.eskenazihealth.edu

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.

• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD
• University Obstetricians-Gynecologists,Inc

  • Obstetrics & Gynecology Physician
  • Indianapolis, IN
  • NPI 1235177924
  Medicare reassignment NPD
• Major Hospital

  • General Acute Care Hospital
  • Shelbyville, IN
  • NPI 1174555692
  NPD (past)

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

• Indiana University Health West Hospital Inc

  dba IU Health West Hospital

  • General Acute Care Hospital
  • Avon, IN
  • NPI 1063443455
  Care Compare affiliation Name & address match
• Indiana University Health Bloomington Inc

  dba Iu Health Bloomington

  • General Acute Care Hospital
  • Bloomington, IN
  • NPI 1205860335
  Care Compare affiliation
• Indiana University Health Inc

  dba Indiana University Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1144266024
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1568407310
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health Midtown Narcotics Treatment Program

  • Methadone Clinic
  • Indianapolis, IN
  • NPI 1760922249

  Hospital

  Care Compare affiliation
• Union Hospital Inc.

  • General Acute Care Hospital
  • Terre Haute, IN
  • NPI 1619975331
  Care Compare affiliation
• Union Hospital, Inc

  • General Acute Care Hospital
  • Terre Haute, IN
  • NPI 1821859752
  Care Compare affiliation

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

{
    "created_epoch": "1369353600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741132800000",
    "number": "1750728242",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 N SHADELAND AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462194959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "535 BARNHILL DR STE 436",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025116",
            "telephone_number": "317-948-7583"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1701 N Senate Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462021239",
            "country_code": "US",
            "telephone_number": "888-484-3258",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHANG",
        "first_name": "ZENAS",
        "credential": "MD, MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-05-24",
        "last_updated": "2025-03-05",
        "certification_date": "2025-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IN",
            "license": "01084636A",
            "primary": true
        },
        {
            "code": "207VX0201X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecologic Oncology",
            "state": "IN",
            "license": "01084636A",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM PTAN",
            "identifier": "000001425462",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300042626",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "https://iuhealth.org/find-locations/iu-health-physicians-gynecologic-oncology-iu-health-simon-cancer",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "535 Barnhill Dr Ste 436",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025116",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "zchang@direct.iuhealth.org",
            "affiliation": "N",
            "address_1": "535 Barnhill Dr Ste 436",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025116",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "zchang@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1701 N Senate Blvd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462021239",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Peggy S Chang, MD
• Rachel Chang, MD
• Valerie N. Chang, PHD, LCSW
• Xuyao Chang
• Yu-Tzu Chang
• Change Is Key LLC
• Change It ABA LLC
• Change2Care LLC
• Changes Home Care, Inc.
• Changing Hearts Home Care, LLC

• Obstetrics & Gynecology Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Obstetrics & Gynecology Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 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.
• 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.