Shaun Shiv Singh, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

20A19788 Issued in CA

Practice address

10441 Lakewood Blvd Ste Ab
Downey, CA 90241-2744

Phone

(714) 443-4512

NPI assigned

Mar 26, 2019

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

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

College of Osteo Med of the Pacific at Pomona, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Pih Health Downey Hospital Hospital, Downey, CA, CCN 050393

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Addiction Medicine (Internal Medicine) Physician
  • Tustin, CA
  • NPI 1891981502
  NPD
• The Regents of the University of California-Irvine

  dba UC Irvine Hospitalist Program

  • Hospitalist Physician
  • Orange, CA
  • NPI 1154479723
  NPD (past)

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

• Pih Health Downey Hospital

  dba Downey Regional Medical Center

  • General Acute Care Hospital
  • Downey, CA
  • NPI 1265433551
  Care Compare affiliation

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

{
    "created_epoch": "1553558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764288000000",
    "number": "1871054684",
    "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": "10441 LAKEWOOD BLVD STE AB",
            "city": "DOWNEY",
            "state": "CA",
            "postal_code": "902412744",
            "telephone_number": "714-443-4512"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 The City Dr S Ste 400",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928683201",
            "country_code": "US",
            "telephone_number": "714-456-5691",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SINGH",
        "first_name": "SHAUN",
        "middle_name": "SHIV",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-26",
        "last_updated": "2025-11-28",
        "certification_date": "2025-11-28",
        "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": "20A19788",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rebecca Sims
• Amy Sinclair, P.T.
• Jose Sing, MD
• Anantjit Singh, MD MPH FACC
• Kanwar Singh
• Vivian Lee Sinkaset, PHARM.D.
• Sir Thomas More Marriage & Family Clinic
• Jenny Leigh Siriban
• Mary Beth Sisk, PT
• Christian Yeoj Sison, NP

• Internal Medicine Physician in Downey, CA
• Providers in Downey, 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 28, 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.