Carlos Isaac Villarreal, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

20538 Issued in CA

Practice address

15733 Whittier Blvd
Whittier, CA 90603-2312

Phone

(562) 947-7754

Fax

(562) 902-9599

NPI assigned

Sep 9, 2009

Last updated

Oct 24, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment NPD
• California Wound Healing Medical Group Inc.

  • Surgical Physician Assistant
  • Alhambra, CA
  • NPI 1235333972
  Medicare reassignment
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD
• New Hope Podiatry Group Inc.

  • Foot & Ankle Surgery Podiatrist
  • Alhambra, CA
  • NPI 1447670955
  NPD (past)

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

{
    "created_epoch": "1252454400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792800000000",
    "number": "1629301601",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 11294",
            "city": "WHITTIER",
            "state": "CA",
            "postal_code": "906030294",
            "telephone_number": "626-824-8461",
            "fax_number": "562-262-2032"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15733 WHITTIER BLVD",
            "city": "WHITTIER",
            "state": "CA",
            "postal_code": "906032312",
            "telephone_number": "562-947-7754",
            "fax_number": "562-902-9599"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VILLARREAL",
        "first_name": "CARLOS",
        "middle_name": "ISAAC",
        "name_prefix": "Mr.",
        "credential": "PA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-09-09",
        "last_updated": "2026-10-24",
        "certification_date": "2026-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "20538",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Esperanza Villa, M.ED
• Neriza Santos Villaflor, RDA
• Alyssa Villalobos, ACSW
• Kaelyn Villamil Cruz, BSN, RN, PHN
• Jesus Rozel Villanueva, MD
• Danielle Jeanette Villicana
• Sivarama Prasad Vinjamury, LAC
• Violet Akhondzadeh D. D. S. Inc.
• Somil Piyush Viradia, M.D.
• Donna Viramontes

• Physician Assistant in Whittier, CA
• Providers in Whittier, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.