Arthur J Daigneault, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

G79967 Issued in CA

Practice address

24221 Calle de la Louisa
Suite 200
Laguna Hills, CA 92653-7638

Phone

(949) 588-8700

Fax

(949) 465-8159

NPI assigned

Mar 15, 2006

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

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

Internal Medicine

Education

University of California, Irvine, California College of Medicine, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Saddleback Medical Group IncGroup PAC ID 5092606905, 27 clinicians

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Paloma Medical Group IncGroup PAC ID 5193821908, 18 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603
• Hoag Memorial Hospital Presbyterian Hospital, Newport Beach, CA, CCN 050224
• Uci Health-Orange Hospital, Orange, CA, CCN 050348

Merit-based Incentive Payment System (MIPS)

Final score

83.56 of 100Reported as individual

Quality

92.67

Promoting interoperability

96

Improvement activities

40

Cost

55.87

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: arthur.daigneault.p15@direct.monarchhealthcare.nextgenshare.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.

• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment Care Compare group NPD
• Saddleback Medical Group Inc

  • Gastroenterology Physician
  • Laguna Hills, CA
  • NPI 1386605822
  Medicare reassignment Care Compare group NPD
• Paloma Medical Group Inc

  • Specialist
  • San Juan Capistrano, CA
  • NPI 1346331725
  Medicare reassignment Care Compare group
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Saddleback Memorial Medical Center

  • Rehabilitation Hospital Unit
  • Laguna Hills, CA
  • NPI 1114967114
  NPD (past)
• Memorial Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1255523643
  NPD (past)

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

• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300
  Care Compare affiliation
• Saddleback Memorial Medical Center

  • General Acute Care Hospital
  • Laguna Hills, CA
  • NPI 1275576381
  Care Compare affiliation
• University of California Irvine

  dba University of California Irvine - Cac Urgent Care

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  dba Uci Health

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation

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

{
    "created_epoch": "1142380800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763164800000",
    "number": "1609845361",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24221 CALLE DE LA LOUISA",
            "address_2": "SUITE 200",
            "city": "LAGUNA HILLS",
            "state": "CA",
            "postal_code": "926537638",
            "telephone_number": "949-588-8700",
            "fax_number": "949-465-8159"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAIGNEAULT",
        "first_name": "ARTHUR",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-15",
        "last_updated": "2025-11-15",
        "certification_date": "2025-11-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G79967",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thea Curtis
• Custom Healthcare Compounding Pharmacy
• Alysa Cutler
• Mark Cymerint, D.C.
• Ali Dabestani, M.D.
• Linda Jennings Daily, M.A.
• Dalia Ibrahim-Abdelaziz MD
• Birgitte U Damgaard
• Danceprehab Physical Therapy, P.C.
• Kathy Dang

• Internal Medicine Physician in Laguna Hills, CA
• Providers in Laguna Hills, 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 Nov 15, 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.