MIZANUR RAHMAN AHMED MD
NPI 1265967228
Anesthesiology in New York, NY
About Mizanur Rahman Ahmed Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIZANUR RAHMAN AHMED MD (NPI 1265967228) is an individual anesthesiology provider in New York, New York, licensed in New York (300284) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with St Charles Hospital, and maintains a secondary practice location in Staten Island.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Mizanur Rahman Ahmed Md 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
2Medicare enrollment records show Mizanur Ahmed reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- 92 clinicians in this Medicare group
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- 101 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Charles Hospital
Acute Care Hospitals · Port Jefferson, NYSt Catherine Of Siena Hospital Medical Center
Acute Care Hospitals · Smithtown, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
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 Mizanur Ahmed's NPI number?
The NPI number for Mizanur Ahmed is 1265967228. It was assigned to this individual provider in the NPPES registry on April 27, 2017.
Where is Mizanur Ahmed located?
Mizanur Ahmed practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-5506.
What is Mizanur Ahmed's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mizanur Ahmed enrolled in Medicare?
Yes. Mizanur Ahmed 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 Mizanur Ahmed's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mizanur Ahmed reassigns Medicare benefits to 2 organizations: Office Based Anesthesia LLC (Smithtown, NY) and Suffolk Anesthesiology Associates, PC (Smithtown, NY). 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 Mizanur Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mizanur Ahmed affiliated with any hospitals?
According to CMS data, Mizanur Ahmed is affiliated with St Charles Hospital and St Catherine Of Siena Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Mizanur Ahmed was last updated on June 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.