DR. GILBERT SIU D.O., PH.D.
NPI 1801062443
Hospitalist in Vineland, NJ
About Dr. Gilbert Siu D.o., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GILBERT SIU D.O., PH.D. (NPI 1801062443) is an individual hospitalist provider in Vineland, New Jersey, licensed in New Jersey (25MB08919200) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Inspira Medical Center Vineland, and is a graduate of Rowan University School Of Osteopathic Medicine (2007).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Gilbert Siu D.o., Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Gilbert Siu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Vineland, NJ 08360
- Reassigned Medicare billing, New Jersey enrollment
- 71 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 37 clinicians in this Medicare group
Mendham, NJ 07945
- Reassigned Medicare billing, New Jersey enrollment
- 35 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, New Jersey enrollment
- 31 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inspira Medical Center Vineland
Acute Care Hospitals · Vineland, NJAtlanticare Regional Medical Center - City Campus
Acute Care Hospitals · Atlantic City, NJInspira Medical Center Mullica Hill
Acute Care Hospitals · Mullica Hill, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 17
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
VINELAND, NJ 08360
VINELAND, NJ 08360
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 Gilbert Siu's NPI number?
The NPI number for Gilbert Siu is 1801062443. It was assigned to this individual provider in the NPPES registry on May 4, 2008.
Where is Gilbert Siu located?
Gilbert Siu practices at 1237 W Sherman Ave, Vineland, NJ 08360. The listed phone number is (856) 566-7010.
What is Gilbert Siu's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Gilbert Siu enrolled in Medicare?
Yes. Gilbert Siu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gilbert Siu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gilbert Siu reassigns Medicare benefits to 4 organizations: Ipc Hospitalist Physicians Of New Jersey PC (Vineland, NJ), New Jersey Post Acute Medical Services 1 PA (Red Bank, NJ), Nj Pacs 2 PA (Mendham, NJ) and Cs Pacs 3 Northeast, LLC (Frederick, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gilbert Siu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gilbert Siu affiliated with any hospitals?
According to CMS data, Gilbert Siu is affiliated with Inspira Medical Center Vineland, Atlanticare Regional Medical Center - City Campus and Inspira Medical Center Mullica Hill.
When was this NPI record last updated?
The NPPES record for Gilbert Siu was last updated on August 30, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.