US Allergy & Asthma

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

Legal business name

US ALLERGY & ASTHMA

Practice address

11500 State Highway 121 Ste 910
Frisco, TX 75035-9347

Phone

(469) 200-2605

Fax

(469) 200-2606

NPI assigned

Dec 21, 2021

Organization subpart

No

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

Authorized official

Name

Naveen Sikka, MDNPI 1912075441

Title

Owner

Phone

(469) 200-2605

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Enrollment records 1

Tax ID family

US Allergy Asthma2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

• US Infusions

  • Pharmacy
  • Frisco, TX
  • NPI 1497612584
  NPD tax ID

Locations

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Naveen Sikka, M.D.

  • Allergy & Immunology Physician
  • Frisco, TX
  • NPI 1912075441

  Single Specialty

  Medicare reassignment Care Compare group NPD Authorized official
• Diana Bailey Hall, P.A.-C

  • Physician Assistant
  • Frisco, TX
  • NPI 1770831372
  Medicare reassignment Care Compare group NPD
• Christine Susan Kurien, DO

  • Allergy & Immunology Physician
  • Frisco, TX
  • NPI 1013543917
  Medicare reassignment Care Compare group NPD
• Neelu Mahajan, PA - C

  • Physician Assistant
  • Frisco, TX
  • NPI 1629378583
  Medicare reassignment NPD

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

{
    "created_epoch": "1640044800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769990400000",
    "number": "1821758525",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11500 STATE HIGHWAY 121 STE 910",
            "city": "FRISCO",
            "state": "TX",
            "postal_code": "750359347",
            "telephone_number": "469-200-2605",
            "fax_number": "469-200-2605"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11500 STATE HIGHWAY 121 STE 910",
            "city": "FRISCO",
            "state": "TX",
            "postal_code": "750359347",
            "telephone_number": "469-200-2605",
            "fax_number": "469-200-2606"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4708 Dexter Dr Ste 350",
            "address_purpose": "LOCATION",
            "city": "Plano",
            "state": "TX",
            "postal_code": "750935573",
            "country_code": "US",
            "telephone_number": "469-200-2605",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "US ALLERGY & ASTHMA",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-12-21",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A",
        "authorized_official_last_name": "SIKKA",
        "authorized_official_first_name": "NAVEEN",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "469-200-2605",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Allergy & Immunology",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207RA0201X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Allergy & Immunology",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Up to Date Home Care LLC
• Priyanka Uppal, MD
• Uptown Anesthesia & Pain Managment
• Larry P Urben, MS ATC LAT C PED
• Isabelle Ariana Urbina, MS BCBA
• US Infusions
• US Prohealth, Inc
• USA Emergency Centers - Frisco LLC
• Useldercare Texas Centers, LLC
• Usv Optical Inc.

• Allergy & Immunology Physician in Frisco, TX
• Providers in Frisco, TX by specialty
• Allergy & Immunology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.