HASSAN ABBAS RN
NPI 1629649736
Nurse Anesthetist, Certified Registered in Royal Oak, MI

Active since July 08, 2021
323 N VERMONT AVE, ROYAL OAK, MI 48067(313) 632-0550 Get Directions Write a Review

NPPES record last updated: May 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 1, 2024, Jul 8, 2021 (2 updates tracked since 2021).

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

NPI1629649736
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameHASSAN ABBASCredential: RN
Location Address323 N VERMONT AVERoyal Oak, MI 48067-2020
Mailing Address323 N Vermont AveRoyal Oak, MI 48067-2020 · (313) 632-0550
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateJuly 8, 2021
Last NPPES UpdateMay 1, 20242 updates tracked since enumeration
NPPES CertifiedMay 1, 2024
✔ NPI 1629649736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MI · 4704330083
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.
Also ListedRegistered NurseTaxonomy 163W00000X · License 4704330083 (MI)
323 N VERMONT AVE, Royal Oak, MI 48067

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).

PECOS PAC ID4981058526
PECOS Enrollment IDI20230929002243

Medicare Billing Reassignments

3

Medicare 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.

Nurse Anesthetist, Certified Registered
264 W MAPLE RD, SUITE 200
Troy, MI 48084
  • Reassigned Medicare billing, Michigan enrollment
  • 33 clinicians in this Medicare group
Ambulatory Surgical
29000 LITTLE MACK AVE STE C
Saint Clair Shores, MI 48081
  • Reassigned Medicare billing, Michigan enrollment
  • 5 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

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
11 services11 patients

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, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230089
Location468 Cadieux RdGrosse Pointe, MI 48230 · Wayne 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 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.