ISAIAS IRGAU MD
NPI 1114954468
Surgery in Newark, DE
About Isaias Irgau Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISAIAS IRGAU MD (NPI 1114954468) is an individual surgery provider in Newark, Delaware, licensed in Delaware (DE-C1-00004461) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Isaias Irgau Md 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 Reassignment
Medicare enrollment records show Isaias Irgau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newark, DE 19713
- Reassigned Medicare billing, Delaware enrollment
- 9 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19713 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
NEWARK, DE 19713
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 Isaias Irgau's NPI number?
The NPI number for Isaias Irgau is 1114954468. It was assigned to this individual provider in the NPPES registry on June 26, 2006.
Where is Isaias Irgau located?
Isaias Irgau practices at 537 Stanton Christiana Rd Suite 102, Newark, DE 19713. The listed phone number is (302) 892-9900.
What is Isaias Irgau's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Isaias Irgau enrolled in Medicare?
Yes. Isaias Irgau 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 organization bills Medicare for Isaias Irgau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isaias Irgau reassigns Medicare benefits to Christiana Institute Of Advanced Surgery, PA (Newark, DE). The 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 Isaias Irgau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Isaias Irgau accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Isaias Irgau as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Isaias Irgau was last updated on July 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Isaias Irgau, MD · NPI 1114954468
Surgery physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since June 26, 2006.
## Identity
- **NPI:** 1114954468 (Entity type: Individual)
- **Enumerated:** June 26, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** DE-C1-00004461 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 537 STANTON CHRISTIANA RD, SUITE 102, Newark, DE 19713-2146
- **Phone:** (302) 892-9900 · **Fax:** (302) 892-9980
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Christiana Institute Of Advanced Surgery, PA (NPI 1104854850, Newark, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** July 10, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1114954468) · Data from the CMS NPPES public registry.