Toni Nicastro, DO

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

011629 Issued in AZ

Practice address

1705 W Main St
Mesa, AZ 85201-6920

Phone

(480) 964-2273

NPI assigned

Apr 3, 2021

Reactivated

Jun 3, 2022

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in AZ

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tnicastro1059436@direct.hfhs.org

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.

• Adelante Healthcare, Inc.

  • Federally Qualified Health Center (FQHC)
  • Wickenburg, AZ
  • NPI 1083772545

  Multi-Specialty

  Medicare reassignment NPD
• Adelante Healthcare Inc

  • Federally Qualified Health Center (FQHC)
  • Surprise, AZ
  • NPI 1407132673
  NPD
• Adelante Healthcare, Inc

  • Federally Qualified Health Center (FQHC)
  • Phoenix, AZ
  • NPI 1215734124

  Multi-Specialty

  NPD
• Adelante Healthcare, Inc.

  • Federally Qualified Health Center (FQHC)
  • Surprise, AZ
  • NPI 1205994761

  Multi-Specialty

  NPD (past)

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

{
    "created_epoch": "1617408000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753142400000",
    "number": "1831778331",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3033 N CENTRAL AVE STE 145",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850122808",
            "telephone_number": "623-583-3001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1705 W MAIN ST",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852016920",
            "telephone_number": "480-964-2273"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NICASTRO",
        "first_name": "TONI",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-04-03",
        "last_updated": "2025-07-22",
        "certification_date": "2025-07-22",
        "deactivation_date": "2022-05-05",
        "reactivation_date": "2022-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MI",
            "license": "5151015562",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics",
            "state": "AZ",
            "license": "011629",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thiennga Nguyen, DNP
• Uyen Nguyen, DMD
• VI Thuy Le Nguyen, PHARMD, MBA
• Ali H Nia, D.M.D.
• Ryan Nia, DMD
• Alexander Nicholls
• Amanda Evans Nichols
• Gary Nichols
• Kevin Nicholson
• Dionne Nick

• Pediatrics Physician in Mesa, AZ
• Providers in Mesa, AZ by specialty
• Pediatrics Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.