Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

RYAN SIU
NPI 1831781442
Orthopaedic Surgery in Apo, AP

Active since February 04, 2021PECOS Enrolled
374TH MEDICAL GROUP, UNIT 5071, APO, AP 96328(315) 225-8864 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 10, 2026, Mar 3, 2023, Feb 2, 2023 and 2 more (5 updates tracked since 2021).

About Ryan Siu NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RYAN SIU (NPI 1831781442) is an individual orthopaedic surgery provider in Apo, AP, licensed in Virginia (0101277519) and active in the NPI registry since February 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in Jbsa Ft Sam Houston.

NPPES Registry Identity

NPI1831781442
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameRYAN SIU
Location Address374TH MEDICAL GROUP, UNIT 5071Apo, AP 96328-5071
Mailing AddressUnit 5071 Box 374thApo, AP 96328-5071 · (315) 225-8864
Sole ProprietorNo
Enumeration DateFebruary 4, 2021
Last NPPES UpdateJuly 10, 20265 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
NPI 1831781442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in VA · 0101277519
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 0101277519 (VA)

Secondary Practice Location 1

Location 13551 Roger Brooke DrJbsa Ft Sam Houston, TX 78234-4504 · Phone (210) 916-1284

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ryan Siu is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
374TH MEDICAL GROUP, UNIT 5071
APO, AP 96328
Dentist (Oral and Maxillofacial Surgery)
374TH MEDICAL GROUP, UNIT 5071
APO, AP 96328
Family Medicine
374TH MEDICAL GROUP, UNIT 5071
APO, AP 96328
Obstetrics & Gynecology
374TH MEDICAL GROUP, UNIT 5071
APO, AP 96328
Orthopaedic Surgery (Sports Medicine)
374TH MEDICAL GROUP, UNIT 5071
APO, AP 96328
Social Worker (Clinical)
374TH MEDICAL GROUP, UNIT 5071
APO, AP 96328
Preventive Medicine (Aerospace Medicine)
374TH MEDICAL GROUP, UNIT 5071
APO, AP 96328
Nurse Practitioner (Psychiatric/Mental Health)
374TH MEDICAL GROUP, UNIT 5071
APO, AP 96328

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Siu's NPI number?

The NPI number for Ryan Siu is 1831781442. It was assigned to this individual provider in the NPPES registry on February 4, 2021.

Where is Ryan Siu located?

Ryan Siu practices at 374th Medical Group Unit 5071, Apo, AP 96328. The listed phone number is (315) 225-8864.

What is Ryan Siu's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Ryan Siu enrolled in Medicare?

Yes. Ryan Siu is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ryan Siu was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.