Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nancy Siyang Manglallan-Yang, MD

Obstetrics & Gynecology Physician in Kahului, HI · enumerated 2020.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1083238406

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Registry record

Entity type Individual (Type 1)

Name Nancy Siyang Manglallan-Yang

Credential MD

Sex Female

Practice address 100 Hookele St Ste 910, Kahului, HI, 96732

Phone (808) 686-4690

Fax (808) 686-2127

Enumeration date Jun 1, 2020

Last updated in NPPES Oct 2, 2025

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License MD-25818 (HI) Primary

207QA0401X Addiction Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians · License 61521287 (WA) Secondary

207QA0401X Addiction Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians · License MD-25818 (HI) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Nancy Manglallan-Yang's NPI record?

Cross-check NPI 1083238406 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1083238406 active?

Yes, as of the latest NPPES snapshot, NPI 1083238406 is active (record last updated 2025-10-02).

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Holly Bullock Obstetrics & Gynecology Physician · Kahului, HI NPI 1063777274

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-02.