ENGY ABUNASSAR
NPI 1386481992
Nurse Anesthetist, Certified Registered in Troy, MI

Active since July 10, 2024
5143 SHADY CREEK DR, TROY, MI 48085(248) 890-8799 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 11, 2026, Jul 10, 2024 (2 updates tracked since 2024).

About Engy Abunassar NPPES

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

ENGY ABUNASSAR (NPI 1386481992) is an individual nurse anesthetist, certified registered in Troy, Michigan, licensed in Michigan (4704335947) and active in the NPI registry since July 2024. She is affiliated with Ascension Providence Rochester Hospital and is a graduate of Other (2025).

NPPES Registry Identity

NPI1386481992
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameENGY ABUNASSAR
Location Address5143 SHADY CREEK DRTroy, MI 48085-3285
Mailing Address5143 Shady Creek DrTroy, MI 48085-3285 · (248) 890-8799
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJuly 10, 2024
Last NPPES UpdateMarch 11, 20262 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
✔ NPI 1386481992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MI · 4704335947
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
5143 SHADY CREEK DR, Troy, MI 48085

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

PECOS PAC ID941791131
PECOS Enrollment IDI20251115000400

Medicare Billing Reassignments

3

Medicare enrollment records show Engy Abunassar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nurse Anesthetist, Certified Registered
1101 W UNIVERSITY DR
Rochester, MI 48307
  • Reassigned Medicare billing, Michigan enrollment
  • 67 clinicians in this Medicare group
Pain Medicine
6225 N STATE HIGHWAY 161 STE 200
Irving, TX 75038
  • Reassigned Medicare billing, Michigan enrollment
  • 905 clinicians in this Medicare group
Anesthesiology
6225 N STATE HIGHWAY 161 STE 200
Irving, TX 75038
  • Reassigned Medicare billing, Michigan enrollment
  • 369 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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension Providence Rochester Hospital

Acute Care Hospitals · Rochester, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230254
Location1101 W University DriveRochester, MI 48307 · Oakland County
Emergency services Birthing friendly

Beaumont Hospital, Troy

Acute Care Hospitals · Troy, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230269
Location44201 Dequindre RoadTroy, MI 48085 · Oakland County
Emergency services Birthing friendly

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 Engy Abunassar's NPI number?

The NPI number for Engy Abunassar is 1386481992. It was assigned to this individual provider in the NPPES registry on July 10, 2024.

Where is Engy Abunassar located?

Engy Abunassar practices at 5143 Shady Creek Dr, Troy, MI 48085. The listed phone number is (248) 890-8799.

What is Engy Abunassar's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Engy Abunassar enrolled in Medicare?

Yes. Engy Abunassar is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Engy Abunassar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Engy Abunassar reassigns Medicare benefits to 3 organizations: Henry Ford Health Rochester Hospital (Rochester, MI), Northstar Anesthesia Of Michigan III PLLC (Irving, TX) and Northstar Anesthesia Of Michigan PLLC (Irving, TX). 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 Engy Abunassar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Engy Abunassar accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Engy Abunassar 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 Engy Abunassar affiliated with any hospitals?

According to CMS data, Engy Abunassar is affiliated with Ascension Providence Rochester Hospital and Beaumont Hospital, Troy.

When was this NPI record last updated?

The NPPES record for Engy Abunassar was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.