MRS. IRENE JUDITH SUN FNP, CRNA
NPI 1699714386
Nurse Anesthetist, Certified Registered in Warren, MI
About Mrs. Irene Judith Sun Fnp, Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. IRENE JUDITH SUN FNP, CRNA (NPI 1699714386) is an individual nurse anesthetist, certified registered in Warren, Michigan, licensed in Michigan (4704177851) and active in the NPI registry since June 2006. She is affiliated with Henry Ford Health Hospital and is a graduate of Wayne State University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Mrs. Irene Judith Sun Fnp, Crna 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
9Medicare enrollment records show Irene Sun reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Warren, MI 48089
- Reassigned Medicare billing, Michigan enrollment
- 109 clinicians in this Medicare group
Saint Clair Shores, MI 48081
- Reassigned Medicare billing, Michigan enrollment
- 99 clinicians in this Medicare group
Clinton Township, MI 48038
- Reassigned Medicare billing, Michigan enrollment
- 83 clinicians in this Medicare group
Detroit, MI 48202
- Reassigned Medicare billing, Michigan enrollment
- 306 clinicians in this Medicare group
Rochester Hills, MI 48307
- Reassigned Medicare billing, Michigan enrollment
- 100 clinicians in this Medicare group
Rochester, MI 48307
- Reassigned Medicare billing, Michigan enrollment
- 359 clinicians in this Medicare group
Rochester, MI 48307
- Reassigned Medicare billing, Michigan enrollment
- 67 clinicians in this Medicare group
Novi, MI 48377
- Reassigned Medicare billing, Michigan enrollment
- 188 clinicians in this Medicare group
Flint, MI 48507
- Reassigned Medicare billing, Michigan 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Henry Ford Health Hospital
Acute Care Hospitals · Detroit, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48093 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WARREN, MI 48093
WARREN, MI 48093
WARREN, MI 48093
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 Irene Sun's NPI number?
The NPI number for Irene Sun is 1699714386. It was assigned to this individual provider in the NPPES registry on June 6, 2006. The provider is also known as Ms. Irene Judith Grant.
Where is Irene Sun located?
Irene Sun practices at 11800 E 12 Mile Rd, Warren, MI 48093. The listed phone number is (586) 573-5059.
What is Irene Sun's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Irene Sun enrolled in Medicare?
Yes. Irene Sun 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 Irene Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irene Sun reassigns Medicare benefits to 9 organizations: Henry Ford Macomb Hospital Corporation (Warren, MI), Eastside Group LLC (Saint Clair Shores, MI), Macomb Anesthesia, PC (Clinton Township, MI), Henry Ford Health System (Detroit, MI), Eastern District Anesthesiology PLLC (Rochester Hills, MI) and 4 more organizations, listed in the Medicare section above. 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 Irene Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irene Sun accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Irene Sun 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.
Is Irene Sun affiliated with any hospitals?
According to CMS data, Irene Sun is affiliated with Henry Ford Health Hospital.
When was this NPI record last updated?
The NPPES record for Irene Sun was last updated on November 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Mrs. Irene Judith Sun, FNP, CRNA · NPI 1699714386
Nurse Anesthetist, Certified Registered physician in Warren, Michigan. Individual provider, active in the CMS NPPES registry since June 6, 2006.
## Identity
- **NPI:** 1699714386 (Entity type: Individual)
- **Enumerated:** June 6, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704177851 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 11800 E 12 MILE RD, Warren, MI 48093-3472
- **Phone:** (586) 573-5059
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Henry Ford Macomb Hospital Corporation (NPI 1073844106, Warren, MI); Eastside Group LLC (NPI 1235365289, Saint Clair Shores, MI); Macomb Anesthesia, PC (NPI 1639248206, Clinton Township, MI); Henry Ford Health System (NPI 1871666479, Detroit, MI); Eastern District Anesthesiology PLLC (NPI 1396397741, Rochester Hills, MI); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** November 19, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1699714386) · Data from the CMS NPPES public registry.