Rainy Kunyu Zhang, MD

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

A202019 Issued in CA

Practice address

1000 Fivepoint
Irvine, CA 92618-2621

Phone

(949) 671-8000

NPI assigned

Apr 2, 2019

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL, CA2 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

Specialty

Critical Care (Intensivists)

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• City of Hope Helford Clinical Research Hospital Hospital, Duarte, CA, CCN 050146

Merit-based Incentive Payment System (MIPS)

Final score

95.11 of 100Reported as group

Quality

74.7

Promoting interoperability

100

Improvement activities

40

Cost

85.45

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: direct@cityofhope.direct-ci.com
• Direct secure messaging: rzhang272761@cityofhope.direct-ci.com

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.

• City of Hope Medical Foundation

  dba City of Hope Duarte

  • Hematology & Oncology Physician
  • Duarte, CA
  • NPI 1871886366

  Pulmonary Disease

  Medicare reassignment Care Compare group NPD
• Cook County

  dba John H. Stroger, Jr. Hospital of Cook County

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1588612832
  Medicare reassignment NPD
• Cook County

  dba Cook County Health & Hospitals System Physician Services

  • Emergency Medicine Physician
  • Chicago, IL
  • NPI 1821385170

  Internal Medicine

  NPD
• Cook County

  dba Bronzeville Health Center

  • Multi-Specialty Clinic/Center
  • Chicago, IL
  • NPI 1831219450
  NPD

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

• City of Hope National Medical Center

  • General Acute Care Hospital
  • Duarte, CA
  • NPI 1750358297
  Care Compare affiliation

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

{
    "created_epoch": "1554163200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768435200000",
    "number": "1568924199",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 512185",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900510185"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 FIVEPOINT",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926182621",
            "telephone_number": "949-671-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2100 Main St Ste 300",
            "address_purpose": "LOCATION",
            "city": "Huntington Beach",
            "state": "CA",
            "postal_code": "926482489",
            "country_code": "US",
            "telephone_number": "714-252-9415",
            "fax_number": "714-963-8407",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZHANG",
        "first_name": "RAINY",
        "middle_name": "KUNYU",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-04-02",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A202019",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A202019",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IL",
            "license": "036.160094",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "IL",
            "license": "036.160094",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1000 Fivepoint",
            "city": "Irvine",
            "state": "CA",
            "country_code": "US",
            "postal_code": "926182377",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Billy Zhang, MD
• Carol Zhang
• Linjun Zhang
• Mengyuan Zhang
• Nadeshiko Zhang
• Rong Zhang, DC
• Shuhanlin Zhang
• Xiaofan Zhang
• Yi Zhang, RD
• Yichi Zhang

• Pulmonary Disease Physician in Irvine, CA
• Providers in Irvine, CA by specialty
• Pulmonary Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 15, 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.
• 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.