Sonaina Imtiaz, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

C192981 Issued in CA

Practice address

1501 W Commonwealth Ave
Fullerton, CA 92833-2727

Phone

(714) 410-3100

NPI assigned

Jul 9, 2014

Last updated

Feb 23, 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 IL, CA3 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 3

Specialty

Endocrinology

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: simtiaz207593@westdirect.optum.com

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.

• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment Care Compare group NPD
• Board of Trustees of Southern Illinois University

  dba Siu Center for Family Medicine

  • Primary Care Clinic/Center
  • Springfield, IL
  • NPI 1396097960
  Medicare reassignment NPD
• Pinckneyville Community Hospital

  • Critical Access Hospital
  • Pinckneyville, IL
  • NPI 1689646523
  Medicare reassignment NPD
• Siu Physicians & Surgeons, Inc

  dba SIU HealthCare

  • Endocrinology, Diabetes & Metabolism Physician
  • Springfield, IL
  • NPI 1558385989

  Internal Medicine

  Medicare reassignment NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Board of Trustees of Southern Illinois University

  dba SIU Center for Family Medicine - Care-A-Van

  • Federally Qualified Health Center (FQHC)
  • Carbondale, IL
  • NPI 1568210425
  NPD
• Board of Trustees of Southern Illinois University

  dba Noll Medical Pavilion Clinic

  • Primary Care Clinic/Center
  • Springfield, IL
  • NPI 1922350099
  NPD
• Pinckneyville Community Hospital

  dba Family Medical Center

  • Rural Health Clinic/Center
  • Pinckneyville, IL
  • NPI 1306818844
  NPD
• Siu Physicians & Surgeons, Inc

  • Durable Medical Equipment & Medical Supplies
  • Springfield, IL
  • NPI 1164055976
  NPD

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

{
    "created_epoch": "1404864000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1376959510",
    "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": "1501 W COMMONWEALTH AVE",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928332727",
            "telephone_number": "714-410-3100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "IMTIAZ",
        "first_name": "SONAINA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-07-09",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CA",
            "license": "C192981",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dongwhan Dustin Im, PHYSICIAN ASSISTANT
• Jenny Im, ND
• Andrew Imparato, M.D
• Imperial Anesthesia Medical Group
• Imperial Surgical Centre LLC
• Denise Mayra Inda
• Index Investments Inc Dba Fullerton Res Manor
• Celeste Monique Oliver Infante
• Tristyn Mikel Ingallinera, MFTI
• Jaclyn Ingram, MSOT

• Endocrinology, Diabetes & Metabolism Physician in Fullerton, CA
• Providers in Fullerton, CA by specialty
• Endocrinology, Diabetes & Metabolism Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 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.