Alexander Nguyen Castillo, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

24010 Issued in NV

Practice address

3175 Saint Rose Pkwy Ste 121
Henderson, NV 89052-3507

Phone

(702) 802-5100

NPI assigned

Mar 26, 2020

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 NV

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, 2020

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Platinum Hospitalists LLP

  • Hospitalist Physician
  • Henderson, NV
  • NPI 1861627242

  Internal Medicine

  Medicare reassignment NPD
• Ferdowsian Global Services PLLC

  • Clinic/Center
  • Las Vegas, NV
  • NPI 1629219514
  NPD
• Medinix Medical Services Singh PLLC

  • Family Medicine Physician
  • Las Vegas, NV
  • NPI 1164098810

  Internal Medicine

  NPD
• Platinum Hospitalists LLP

  • Internal Medicine Physician
  • Henderson, NV
  • NPI 1437948726
  NPD
• Apollocare Partners of Nevada, Inc.

  • Internal Medicine Physician
  • Las Vegas, NV
  • NPI 1316640618
  NPD (past)
• Centennial Hills Hospital Medical Center

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1487771812
  NPD (past)
• Desert Springs Hospital

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1154317964
  NPD (past)
• Dignity Health

  • General Acute Care Hospital
  • Henderson, NV
  • NPI 1447393152
  NPD (past)
• Healthcare Partners Medical Group (Coats) LTD.

  • Pediatrics Physician
  • Las Vegas, NV
  • NPI 1902883341
  NPD (past)
• Sunrise Mountainview Hospital, Inc.

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1831143817
  NPD (past)
• University Medical Center of Southern Nevada

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1548393127
  NPD (past)

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

{
    "created_epoch": "1585180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786665600000",
    "number": "1164059226",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3175 SAINT ROSE PKWY STE 121",
            "city": "HENDERSON",
            "state": "NV",
            "postal_code": "890523507",
            "telephone_number": "702-802-5100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3175 SAINT ROSE PKWY STE 121",
            "city": "HENDERSON",
            "state": "NV",
            "postal_code": "890523507",
            "telephone_number": "702-802-5100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTILLO",
        "first_name": "ALEXANDER",
        "middle_name": "NGUYEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-26",
        "last_updated": "2026-08-14",
        "certification_date": "2026-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NV",
            "license": "24010",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Heather Castellano, NBC-HIS
• Xiera Jayne Castiblanco, PHARMD
• Isabel Cristina Castillo Montilla
• Mariana Castillo Zamarron
• Luna Castillo-Camargo
• Christine Joy Castillo
• Euporia Castillo
• Jesus Castillo
• Kylee Castillo
• Marcella Nicole Castillo, APRN-CNP

• Internal Medicine Physician in Henderson, NV
• Providers in Henderson, NV by specialty
• Internal Medicine Physician in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 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.