HASSAN ABBAS RN
NPI 1629649736
Nurse Anesthetist, Certified Registered in Royal Oak, MI
About Hassan Abbas Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HASSAN ABBAS RN (NPI 1629649736) is an individual nurse anesthetist, certified registered in Royal Oak, Michigan, licensed in Michigan (4704330083) and active in the NPI registry since July 2021. He is affiliated with Beaumont Hospital - Grosse Pointe and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
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)
Hassan Abbas Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Hassan Abbas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Troy, MI 48084
- Reassigned Medicare billing, Michigan enrollment
- 33 clinicians in this Medicare group
Saint Clair Shores, MI 48081
- Reassigned Medicare billing, Michigan enrollment
- 5 clinicians in this Medicare group
Irving, TX 75038
- Reassigned Medicare billing, Michigan enrollment
- 905 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
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.
Beaumont Hospital - Grosse Pointe
Acute Care Hospitals · Grosse Pointe, MIFrequently 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 Hassan Abbas's NPI number?
The NPI number for Hassan Abbas is 1629649736. It was assigned to this individual provider in the NPPES registry on July 8, 2021.
Where is Hassan Abbas located?
Hassan Abbas practices at 323 N Vermont Ave, Royal Oak, MI 48067. The listed phone number is (313) 632-0550.
What is Hassan Abbas's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Hassan Abbas enrolled in Medicare?
Yes. Hassan Abbas is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Hassan Abbas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hassan Abbas reassigns Medicare benefits to 3 organizations: Essential Anesthesia Services, Plc (Troy, MI), 12 Mile Surgery Center, PLLC (Saint Clair Shores, MI) and Northstar Anesthesia Of Michigan III 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 Hassan Abbas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hassan Abbas accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Hassan Abbas 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 Hassan Abbas affiliated with any hospitals?
According to CMS data, Hassan Abbas is affiliated with Beaumont Hospital - Grosse Pointe.
When was this NPI record last updated?
The NPPES record for Hassan Abbas was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.