Stephen Curtis Wong, M.D.

Primary specialty

Allergy PhysicianTaxonomy code 207KA0200X

License

G51644 Issued in CA

Practice address

1850 S Azusa Ave
Suite 206
Hacienda Heights, CA 91745-6813

Phone

(626) 810-5450

Fax

(626) 810-0391

NPI assigned

Jan 16, 2007

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Allergy/ImmunologyAlso: Internal Medicine

Education

University of California, San Francisco School of Medicine, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Modena Allergy and Asthma Inc.Group PAC ID 9436545274, 25 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles (5 of 6)

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Adult & Child Allergy-Asthma Clinic Inc

  • Allergy & Immunology Physician
  • Hacienda Heights, CA
  • NPI 1801909668

  Allergy & Immunology, CA

  Medicare reassignment NPD Authorized official
• Modena Allergy & Asthma Inc.

  • Allergy & Immunology Physician
  • La Jolla, CA
  • NPI 1508527797

  Allergy & Immunology, CA

  Medicare reassignment Care Compare group NPD
• Ahmc Garfield Medical Center LP

  • General Acute Care Hospital
  • Monterey Park, CA
  • NPI 1730171265
  NPD (past)
• Ahmc San Gabriel Valley Medical

  • Skilled Nursing Facility
  • San Gabriel, CA
  • NPI 1710174818
  NPD (past)
• Pih Health Whittier Hospital

  • General Acute Care Hospital
  • Whittier, CA
  • NPI 1043215379
  NPD (past)

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

{
    "created_epoch": "1168905600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780012800000",
    "number": "1104977008",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1850 S AZUSA AVE STE 206",
            "city": "HACIENDA HEIGHTS",
            "state": "CA",
            "postal_code": "917456853",
            "telephone_number": "626-810-5450",
            "fax_number": "626-810-0391"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1850 S AZUSA AVE",
            "address_2": "SUITE 206",
            "city": "HACIENDA HEIGHTS",
            "state": "CA",
            "postal_code": "917456813",
            "telephone_number": "626-810-5450",
            "fax_number": "626-810-0391"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "207 S Santa Anita St Ste 335",
            "address_purpose": "LOCATION",
            "city": "San Gabriel",
            "state": "CA",
            "postal_code": "917761160",
            "country_code": "US",
            "telephone_number": "760-941-4444",
            "fax_number": "760-941-8902",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "330 S Garfield Ave Ste 116",
            "address_purpose": "LOCATION",
            "city": "Alhambra",
            "state": "CA",
            "postal_code": "918013893",
            "country_code": "US",
            "telephone_number": "626-284-3400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WONG",
        "first_name": "STEPHEN",
        "middle_name": "CURTIS",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-16",
        "last_updated": "2026-05-29",
        "certification_date": "2026-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207KA0200X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology, Allergy",
            "state": "CA",
            "license": "G51644",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sydnie Nikkole Williams, B.A., BCAT, RBT
• Catherine Wong, RN-NP
• Kristen Michelle Wong, PA-C
• Pauline Wong
• Raymond Wong, PHARM.D.
• Hsiu-Chih George Wu
• Saina Wu, RDA
• Shang Cheng Wu, M.D.
• Xcel Care Medical Group Corp
• Changshan Xin

• All providers in Hacienda Heights, CA
• Allergy Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 29, 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.