Michael Duan, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A192864 Issued in CA

Practice address

17360 Brookhurst St.
Fountain Valley, CA 92708

Phone

(877) 844-0012

Fax

(714) 665-4680

NPI assigned

Mar 31, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Hospitalist

Education

Baylor College of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Memorialcare Medical FoundationGroup PAC ID 8729277314, 555 clinicians

Cedars-Sinai Medical Care FoundationGroup PAC ID 0941106645, 1,684 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorialcare Orange Coast Medical Center Hospital, Fountain Valley, CA, CCN 050678

Merit-based Incentive Payment System (MIPS)

Final score

89.14 of 100Reported as group

Quality

84.79

Promoting interoperability

99

Improvement activities

40

Cost

73.15

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mduan899070@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 and National Provider Directory roles.

• Cedars-Sinai Medical Care Foundation

  • Specialist
  • Los Angeles, CA
  • NPI 1316984388
  Medicare reassignment Care Compare group NPD
• Memorialcare Medical Foundation

  • Clinic/Center
  • Fountain Valley, CA
  • NPI 1205167350

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Bristol Park Medical Group, Inc

  • Family Medicine Physician
  • Costa Mesa, CA
  • NPI 1043266760

  Internal Medicine

  NPD (past)

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

• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  Care Compare affiliation

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

{
    "created_epoch": "1617148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753056000000",
    "number": "1437737368",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17360 BROOKHURST ST.",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "92708",
            "telephone_number": "877-844-0012",
            "fax_number": "714-665-4680"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17360 BROOKHURST ST.",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "92708",
            "telephone_number": "877-844-0012",
            "fax_number": "714-665-4680"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUAN",
        "first_name": "MICHAEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-31",
        "last_updated": "2025-07-21",
        "certification_date": "2025-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A192864",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://memorialcare.org/fhir/api/FHIR/R4/",
            "affiliation": "Y",
            "endpointDescription": "MemorialCare FHIR Endpoint",
            "affiliationName": "MemorialCare Medical Foundation",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "17360 Brookhurst St.",
            "address_2": "17360 Brookhurst St.",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "92708",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Dr. K Plastic Surgery, a Medical Co.
• Dr. la Fountain Valley Chiropractic Corporation
• Dr. William Vy Chiropractic, Inc
• Amber Drew
• Alan Dror, MD
• Makenna Nicole Dubois
• Tayzha Kehaunani Dudoit, BT, BA
• Joanna Duesler, MS
• Ulemj Dugarnyam, PA
• Duke a Phan MD Neurology Inc

• Internal Medicine Physician in Fountain Valley, CA
• Providers in Fountain Valley, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 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.