AMBREEN IJAZ M.D.
NPI 1194831925
Internal Medicine - Hematology & Oncology in Warwick, RI
About Ambreen Ijaz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBREEN IJAZ M.D. (NPI 1194831925) is an individual hematology & oncology provider in Warwick, Rhode Island, licensed in Rhode Island (MD14369) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Kent County Memorial Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Ambreen Ijaz M.d. 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
6Medicare enrollment records show Ambreen Ijaz reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Warwick, RI 02886
- Reassigned Medicare billing, Rhode Island enrollment
- 984 clinicians in this Medicare group
West Greenwich, RI 02817
- Reassigned Medicare billing, Rhode Island enrollment
- 13 clinicians in this Medicare group
West Greenwich, RI 02817
- Reassigned Medicare billing, Rhode Island enrollment
- 12 clinicians in this Medicare group
North Providence, RI 02904
- Reassigned Medicare billing, Rhode Island enrollment
- 13 clinicians in this Medicare group
North Providence, RI 02904
- Reassigned Medicare billing, Rhode Island enrollment
- 12 clinicians in this Medicare group
Woonsocket, RI 02895
- Reassigned Medicare billing, Rhode Island enrollment
- 119 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 6
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kent County Memorial Hospital
Acute Care Hospitals · Warwick, RIWomen & Infants Hospital Of Rhode Island
Acute Care Hospitals · Providence, RIThe Miriam Hospital
Acute Care Hospitals · Providence, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02886 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Ambreen Ijaz's NPI number?
The NPI number for Ambreen Ijaz is 1194831925. It was assigned to this individual provider in the NPPES registry on August 22, 2006.
Where is Ambreen Ijaz located?
Ambreen Ijaz practices at 455 Toll Gate Rd, Warwick, RI 02886. The listed phone number is (401) 732-5900.
What is Ambreen Ijaz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Ambreen Ijaz enrolled in Medicare?
Yes. Ambreen Ijaz 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 Ambreen Ijaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ambreen Ijaz reassigns Medicare benefits to 6 organizations: Affinity Physicians LLC. (Warwick, RI), Center Of New England Primary Care Inc (West Greenwich, RI), Center Of New England Urgent Care Inc (West Greenwich, RI), North Providence Urgent Care (North Providence, RI), North Providence Primary Care Assoc Inc (North Providence, RI) and 1 more organization, 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 Ambreen Ijaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ambreen Ijaz affiliated with any hospitals?
According to CMS data, Ambreen Ijaz is affiliated with Kent County Memorial Hospital, Women & Infants Hospital Of Rhode Island and The Miriam Hospital.
When was this NPI record last updated?
The NPPES record for Ambreen Ijaz was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.