DR. AHMED ANWER ALI RATTANI MBBS, MPHIL, DPHIL
NPI 1225437247
Internal Medicine - Hematology & Oncology in Boston, MA
About Dr. Ahmed Anwer Ali Rattani Mbbs, Mphil, Dphil NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AHMED ANWER ALI RATTANI MBBS, MPHIL, DPHIL (NPI 1225437247) is an individual hematology & oncology provider in Boston, Massachusetts, licensed in Massachusetts (277629) and active in the NPI registry since August 2014. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and maintains a secondary practice location in Cambridge.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Dr. Ahmed Anwer Ali Rattani Mbbs, Mphil, Dphil 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
3Medicare enrollment records show Ahmed Anwer Ali Rattani reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1346433257 (Massachusetts)
- 1,026 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.
Beth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 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.
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
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 Ahmed Anwer Ali Rattani's NPI number?
The NPI number for Ahmed Anwer Ali Rattani is 1225437247. It was assigned to this individual provider in the NPPES registry on August 14, 2014.
Where is Ahmed Anwer Ali Rattani located?
Ahmed Anwer Ali Rattani practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-3720.
What is Ahmed Anwer Ali Rattani's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Ahmed Anwer Ali Rattani enrolled in Medicare?
Yes. Ahmed Anwer Ali Rattani 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 Ahmed Anwer Ali Rattani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ahmed Anwer Ali Rattani reassigns Medicare benefits to 3 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA) and Dana-Farber Cancer Institute, Inc. (Boston, MA). 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 Ahmed Anwer Ali Rattani's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ahmed Anwer Ali Rattani accept?
Health plans from Taro Health list Ahmed Anwer Ali Rattani 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 Ahmed Anwer Ali Rattani affiliated with any hospitals?
According to CMS data, Ahmed Anwer Ali Rattani is affiliated with Beth Israel Deaconess Medical Center.
When was this NPI record last updated?
The NPPES record for Ahmed Anwer Ali Rattani was last updated on November 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.