Nancy Siyang Manglallan-Yang, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

MD-25818 Issued in HI

Practice address

100 Hookele St Ste 910
Kahului, HI 96732-3548

Phone

(808) 686-4690

Fax

(808) 686-2127

NPI assigned

Jun 1, 2020

Last updated

Oct 2, 2025By 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 3

Addresses

Other names 1

• Nancy Yang Former name

Medicare fee-for-service enrollment

Enrolled in WA, HI2 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

Obstetrics/Gynecology

Education

University of Minnesota Medical School, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Queens University Medical GroupGroup PAC ID 2466831557, 614 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• HI PPO
• devoted network organization-c89d4c14-e90f-4cf7-83f9-456527a52335

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.

• Queens University Medical Group

  • Multi-Specialty Clinic/Center
  • Honolulu, HI
  • NPI 1891441382
  Medicare reassignment Care Compare group NPD
• Queens North Hawaii Community Hospital

  • Orthopaedic Surgery Physician
  • Kamuela, HI
  • NPI 1528049814

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Obstetrix Medical Group of Washington Inc PS

  • Maternal & Fetal Medicine Physician
  • Seattle, WA
  • NPI 1861599573

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Queens North Hawaii Community Hospital

  dba Kohala Home Health Care of North Hawaii Community Hospital, Inc.

  • Home Health Agency
  • Kamuela, HI
  • NPI 1124009584
  NPD
• Maui Health System a Kaiser Foundation Hospitals LLC

  dba Maui Memorial Medical Center

  • General Acute Care Hospital
  • Wailuku, HI
  • NPI 1013379460
  NPD (past)
• Seattle Nuclear Medicine-Ultrasound Associates

  • Radiology Clinic/Center
  • Seattle, WA
  • NPI 1265506349
  NPD (past)

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

{
    "created_epoch": "1590969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759363200000",
    "number": "1083238406",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 HOOKELE ST STE 910",
            "city": "KAHULUI",
            "state": "HI",
            "postal_code": "967323548",
            "telephone_number": "808-686-4690",
            "fax_number": "808-686-2127"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 HOOKELE ST STE 910",
            "city": "KAHULUI",
            "state": "HI",
            "postal_code": "967323548",
            "telephone_number": "808-686-4690",
            "fax_number": "808-686-2127"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "221 Mahalani St",
            "address_purpose": "LOCATION",
            "city": "Wailuku",
            "state": "HI",
            "postal_code": "967932526",
            "country_code": "US",
            "telephone_number": "808-244-9056",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MANGLALLAN-YANG",
        "first_name": "NANCY",
        "middle_name": "SIYANG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-06-01",
        "last_updated": "2025-10-02",
        "certification_date": "2025-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "WA",
            "license": "61521287",
            "primary": false
        },
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "HI",
            "license": "MD-25818",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "HI",
            "license": "MD-25818",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "NANCY",
            "last_name": "YANG",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Rita Maguire, LMT
• Lettitia-Nadine Mei-Ling Maika
• Brent Norman Maither, RBT
• Malama NA Makua a Keiki (Malama Family Recovery Center)
• Monika A. Malecha, M.D.
• Elizabeth Eleanor Mannick, M.D.
• Hoala NA'Kamakani Mano
• Brady Manor
• Diana Marin
• Anella Mark, APRN

• Obstetrics & Gynecology Physician in Kahului, HI
• Providers in Kahului, HI by specialty
• Obstetrics & Gynecology Physician in Hawaii

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 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.
• 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.