Tim Yanni, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

20A20467 Issued in CA

Practice address

100 S Anaheim Blvd Ste 101
Anaheim, CA 92805-3848

Phone

(714) 826-1200

Fax

(714) 665-4652

NPI assigned

Apr 2, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Saddleback Medical Group IncGroup PAC ID 5092606905, 27 clinicians

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The Home Health Inc. Home health agency, Orange, CA, CCN 757012
• Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: timothy.yanni.p15@direct.monarchhealthcare.nextgenshare.com
• Direct secure messaging: tyanni194115@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 and National Provider Directory roles.

• Healthcare Partners Affiliates Medical Group

  • 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
• Centers for Family Medicine GP

  • Family Medicine Physician
  • Los Alamitos, CA
  • NPI 1467598243

  Internal Medicine

  Medicare reassignment NPD
• Healthcare Partners Affiliates Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• 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.

• Saddleback Memorial Medical Center

  • General Acute Care Hospital
  • Laguna Hills, CA
  • NPI 1275576381
  Care Compare affiliation
• The Home Health Inc

  • Home Health Agency
  • Orange, CA
  • NPI 1972115004
  Care Compare affiliation

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

{
    "created_epoch": "1617321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786579200000",
    "number": "1487233003",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 S ANAHEIM BLVD STE 101",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928053848",
            "telephone_number": "714-826-1200",
            "fax_number": "714-665-4652"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 S ANAHEIM BLVD STE 101",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928053848",
            "telephone_number": "714-826-1200",
            "fax_number": "714-665-4652"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YANNI",
        "first_name": "TIM",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-02",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A20467",
            "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",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927083720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Seongah A Yang, L.AC.
• Suejin Yang
• Tsay Lia Yang, PHARMD
• Woo Jin Yang, L.AC.
• Ziyao Yang
• Felix Yanuaria
• Author Yao
• Caitlin Ashley Yao, MS, RDN
• Sean Yar, DDS
• Theresa Yarbrough

• Internal Medicine Physician in Anaheim, CA
• Providers in Anaheim, 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 Aug 13, 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.