Stacey Hannah Gunn, M.D.

Primary specialty

Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X

License

56272 Issued in AZ

Practice address

530 Technology Dr Ste 100
Irvine, CA 92618-1350

Phone

(213) 375-4070

NPI assigned

May 19, 2010

Last updated

May 19, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 15

Addresses

Other names 1

• Dr. Stacey Gunn Yang Other name

Medicare fee-for-service enrollment

Enrolled in MA, AZ2 enrollments

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 2

Specialty

Sleep Medicine

Education

New York University School of Medicine, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Insomnia and Sleep Institute of Arizona LLCGroup PAC ID 3476707837, 10 clinicians

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

• The Insomnia and Sleep Institute of Arizona LLC

  dba Headache and Epilepsy Institute of Arizona

  • Sleep Medicine (Internal Medicine) Physician
  • Scottsdale, AZ
  • NPI 1659633469
  Medicare reassignment Care Compare group NPD
• Beth Israel Deaconess Medical Center, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1548202641
  Medicare reassignment NPD
• Beth Israel Deaconess Medical Center, Inc.

  • Ambulance
  • Boston, MA
  • NPI 1518600501
  NPD
• The Insomnia and Sleep Institute of Arizona LLC

  • Sleep Medicine (Internal Medicine) Physician
  • Gilbert, AZ
  • NPI 1548025992
  NPD (past)

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

{
    "created_epoch": "1274227200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1710206503",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "530 TECHNOLOGY DR STE 100",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926181350",
            "telephone_number": "213-375-4070"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "530 TECHNOLOGY DR STE 100",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926181350",
            "telephone_number": "213-375-4070"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUNN",
        "first_name": "STACEY",
        "middle_name": "HANNAH",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-05-19",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "CA",
            "license": "A127199",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "IN",
            "license": "01095851A",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "SC",
            "license": "94037",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "WA",
            "license": "MD.60420664",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "IL",
            "license": "36.173784",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "NY",
            "license": "262227",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "AZ",
            "license": "56272",
            "primary": true
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "HI",
            "license": "MD-25122-0",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "MA",
            "license": "262076",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "TX",
            "license": "V6176",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "NJ",
            "license": "25IA12546700",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "FL",
            "license": "ME172176",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "OH",
            "license": "35C.002315",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "NC",
            "license": "2025-01000",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "OR",
            "license": "MD224025",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "STACEY",
            "last_name": "YANG",
            "middle_name": "GUNN",
            "prefix": "DR.",
            "credential": "MD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Alec Guiulfo
• Ragini Gummadapu, M.D.
• Ayoma Jayamini Gunawardhana, FNP,NP-C
• Jon Gundlach
• Danielle Gundling
• Kristen Gunnison
• Anqi Guo
• Edmund Guo, DDS
• Uta Guo
• Ankmalika Abha Gupta, MD

• Sleep Medicine (Internal Medicine) Physician in Irvine, CA
• Providers in Irvine, CA by specialty
• Sleep Medicine (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 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.