Individual provider Active NPI

Wendy Y Chen, DO

  • Hematology & Oncology Physician
  • Oro Valley, AZ
National Provider Identifier
1659317469
Registry record updated Dec 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
006210 Issued in AZ
Practice address
1521 E Tangerine Rd Ste 331
Oro Valley, AZ 85755-6223
Phone
(520) 276-2033
NPI assigned
Jun 21, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 22, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology (Internal Medicine) Physician 207RH0000X 02008822A IN
Hematology & Oncology Physician 207RH0003X 02008822A IN
Medical Oncology Physician 207RX0202X 02008822A IN
Hematology & Oncology Physician 207RH0003X 006210 AZ Primary

Addresses

Primary practice location

1521 E Tangerine Rd Ste 331
Oro Valley, AZ 85755-6223

Mailing address

18000 Studebaker Rd Ste 800
Cerritos, CA 90703-2671
Phone (562) 735-3226

Other practice location 1

550 University Blvd
Indianapolis, IN 46202-5149
Phone (317) 944-5000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address WCHEN@DIRECT.IUHEALTH.ORG Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ, IN2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20140224000898 AZ Practitioner - Hematology/Oncology 6800975848 Reassigns benefits to 2 organizations
I20251224002608 IN Practitioner - Hematology/OncologyPractitioner - Medical OncologyPractitioner - HematologyPractitioner - Internal Medicine 6800975848 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Ohio University, College of Osteopathic Medicine, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sjhmc Physician ServicesGroup PAC ID 4486646197, 645 clinicians
Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Practice addresses (Care Compare)

350 W Thomas Rd
Phoenix, AZ 85013-4409
Phone (602) 406-3000

550 N University Blvd
Indianapolis, IN 46202-5149
Phone (317) 944-5000

Hospital & facility affiliations

  • St Josephs Hospital and Medical Center Hospital, Phoenix, AZ, CCN 030024
  • Indiana University Health Hospital, Indianapolis, IN, CCN 150056
  • Eskenazi Health Hospital, Indianapolis, IN, CCN 150024

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
02008822AINMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St. Joseph'S Hospital and Medical Center CurrentSince Aug 30, 2020 Accepting new patients
Starling Oncology Ca, a Professional Corporation Hematology & Oncology CurrentSince Jun 8, 2024 Accepting new patients
Iu Health Medical Group, LLC CurrentSince Jan 1, 2026 Accepting new patients
Sjhmc Physician Services CurrentSince Mar 1, 2025 Accepting new patients
Starling Oncology Ca, a Professional Corporation Hematology & Oncology CurrentSince Jun 8, 2024 Accepting new patients
The Oncology Institute Ca, a Professional Corporation Hematology & Oncology Past Accepting new patients

Locations

1521 E Tangerine Rd
Ste 331
Oro Valley, AZ 85755
Phone (520) 276-2033

350 W Thomas Rd
Phoenix, AZ 85013
Phone (480) 339-5001

500 W Thomas Rd
Ste 680
Phoenix, AZ 85013
Phone (602) 406-6017

6565 E Carondelet Dr
Ste 285
Tucson, AZ 85710
Phone (520) 333-4184

18000 Studebaker Rd
Ste 800
Cerritos, CA 90703

File 56765
Los Angeles, CA 90074

550 University Blvd
Indianapolis, IN 46202
Phone (217) 274-5000

1701 Senate Blvd
Indianapolis, IN 46202
Phone (317) 612-2754

Interoperability endpoints

  • Direct secure messaging: wchen@direct.iuhealth.org

Organizations & group practices 6

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.

Hospital & facility affiliations 7

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

NPI Registry JSON

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

{
    "created_epoch": "1150848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766361600000",
    "number": "1659317469",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18000 STUDEBAKER RD STE 800",
            "city": "CERRITOS",
            "state": "CA",
            "postal_code": "907032671",
            "telephone_number": "562-735-3226"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1521 E TANGERINE RD STE 331",
            "city": "ORO VALLEY",
            "state": "AZ",
            "postal_code": "857556223",
            "telephone_number": "520-276-2033"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "550 University Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462025149",
            "country_code": "US",
            "telephone_number": "317-944-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "WENDY",
        "middle_name": "Y",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-21",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "IN",
            "license": "02008822A",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "IN",
            "license": "02008822A",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "IN",
            "license": "02008822A",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AZ",
            "license": "006210",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "WCHEN@DIRECT.IUHEALTH.ORG",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "550 University Blvd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025149",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oro Valley, AZ

Sources for this page

Verify at the official NPI Registry.