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

Dr. Nga Yan SIU, DO

Individual provider Ophthalmology Physician · NPI 1902284169

Dr. Nga Yan SIU, DO is an Ophthalmology in Southampton, New York. Qualified in 2015, 11 years ago. Practices with Stony Brook Ophthalmology, University Faculty Practice Corporation, a 15-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New Jersey and New York.

Years since qualifying
11
Licensed in
NJ, NY
In the registry since
2015
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

67 Hampton Rd
Southampton, NY 11968-4962
Phone: (631) 444-4796
Show map & directions

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

Additional practice locations (1)

  • 1 N Washington Ave, Bergenfield, NJ 07621-2125 — (201) 374-8900

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 288888 (NY)
Ophthalmology Physician Taxonomy 207W00000X · Licence 25MB11046700 (NJ)
Glaucoma Specialist (Ophthalmology) Physician Taxonomy 207WX0009X · Licence 288888 (NY)
Glaucoma Specialist (Ophthalmology) Physician Taxonomy 207WX0009X · Licence 25MB11046700 (NJ)

Record details

NPI number1902284169
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 8, 2015
Last updated in NPPESDecember 8, 2022
Certification dateDecember 8, 2022
Mailing address67 Hampton Rd, Southampton, NY 11968-4962

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Stony Brook Ophthalmology, University Faculty Practice Corporation — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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