Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nancy Siyang Manglallan-Yang, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1083238406

Nancy Siyang Manglallan-Yang, MD is an Obstetrics/Gynecology in Kahului, Hawaii. Graduated from University of Minnesota Medical School in 2020, 6 years ago. Practices with Queens University Medical Group, a 623-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Hawaii and Washington.

Years since qualifying
6
Trained at
University of Minnesota Medical School
Licensed in
HI, WA
In the registry since
2020
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

100 Hookele St Ste 910
Kahului, HI 96732-3548
Phone: (808) 686-4690
Fax: (808) 686-2127
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 221 Mahalani St, Wailuku, HI 96793-2526 — (808) 244-9056

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence MD-25818 (HI)
Addiction Medicine (Family Medicine) Physician Taxonomy 207QA0401X · Licence 61521287 (WA)
Addiction Medicine (Family Medicine) Physician Taxonomy 207QA0401X · Licence MD-25818 (HI)

Record details

NPI number1083238406
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2020
Last updated in NPPESOctober 2, 2025
Certification dateOctober 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2020 (6 years in practice)
Group practice Queens University Medical Group — 623 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Kahului