Sarah Wing-Yin Chiu, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

A193528 Issued in CA

Practice address

681 S Parker St Ste 100
Orange, CA 92868-4719

Phone

(877) 430-7337

Fax

(714) 445-0245

NPI assigned

Mar 16, 2019

Last updated

Oct 15, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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 CA

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

Cardiovascular Disease (Cardiology)

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pacific Cardiovascular Associates Medical Group, Inc.Group PAC ID 3678461209, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603
• Providence Mission Hospital Hospital, Mission Viejo, CA, CCN 050567

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: sarah.chiu.p13@direct.pca.nextgenshare.com
• Direct secure messaging: schiu898666@direct.memorialcare.org

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.

• Pacific Cardiovascular Associates Medical Group, Inc.

  • Cardiovascular Disease Physician
  • Irvine, CA
  • NPI 1700821691
  Medicare reassignment Care Compare group NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Panorama City, CA
  • NPI 1407888928
  NPD

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

• Mission Hospital Regional Medical Center

  dba Providence Mission Hospital

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1912108002
  Care Compare affiliation
• Mission Hospital Regional Medical Center

  dba Mission Hospital

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1992752315
  Care Compare affiliation
• Saddleback Memorial Medical Center

  • General Acute Care Hospital
  • Laguna Hills, CA
  • NPI 1275576381
  Care Compare affiliation

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

{
    "created_epoch": "1552694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792022400000",
    "number": "1710446042",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35 CREEK RD",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926044724",
            "telephone_number": "714-445-0220",
            "fax_number": "714-445-0245"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "681 S PARKER ST STE 100",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928684719",
            "telephone_number": "877-430-7337",
            "fax_number": "714-445-0245"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "35 Creek Rd",
            "address_purpose": "LOCATION",
            "city": "Irvine",
            "state": "CA",
            "postal_code": "926044724",
            "country_code": "US",
            "telephone_number": "877-430-7337",
            "fax_number": "714-445-0245",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHIU",
        "first_name": "SARAH",
        "middle_name": "WING-YIN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-16",
        "last_updated": "2026-10-15",
        "certification_date": "2026-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "A193528",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Monica Chelsea Spitzer Chisholm, MD
• Patrick Chisum, MD
• Daniel Chiu
• Johnson Chiu, MD
• Katherine L Chiu, MD, MBA
• Cassandra Chiusolo
• CHJ Diagnostic, Inc.
• Angela Soohyeon Cho, CRNA
• Austin Woon-Ryong Cho
• Austina Bongnai Cho, M.D.

• Cardiovascular Disease Physician in Orange, CA
• Providers in Orange, CA by specialty
• Cardiovascular Disease Physician in California

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