ALVERA TABBASUM MD
NPI 1881221570
Hospitalist in Bay Shore, NY
About Alvera Tabbasum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALVERA TABBASUM MD (NPI 1881221570) is an individual hospitalist provider in Bay Shore, New York, licensed in New York (324002) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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
Alvera Tabbasum 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 Reassignment
Medicare enrollment records show Alvera Tabbasum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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.
Ns/Lij Hs Southside Hospital
Acute Care Hospitals · Bay Shore, NYNorth Shore University Hospital
Acute Care Hospitals · Manhasset, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11706 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.
BAY SHORE, NY 11706
BAY SHORE, NY 11706
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 Alvera Tabbasum's NPI number?
The NPI number for Alvera Tabbasum is 1881221570. It was assigned to this individual provider in the NPPES registry on March 24, 2020.
Where is Alvera Tabbasum located?
Alvera Tabbasum practices at 301 E Main St, Bay Shore, NY 11706. The listed phone number is (631) 552-9664.
What is Alvera Tabbasum's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Alvera Tabbasum enrolled in Medicare?
Yes. Alvera Tabbasum 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 organization bills Medicare for Alvera Tabbasum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alvera Tabbasum reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, NY). The 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 Alvera Tabbasum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alvera Tabbasum affiliated with any hospitals?
According to CMS data, Alvera Tabbasum is affiliated with Ns/Lij Hs Southside Hospital and North Shore University Hospital.
When was this NPI record last updated?
The NPPES record for Alvera Tabbasum was last updated on August 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Alvera Tabbasum, MD · NPI 1881221570
Hospitalist physician in Bay Shore, New York. Individual provider, active in the CMS NPPES registry since March 24, 2020.
## Identity
- **NPI:** 1881221570 (Entity type: Individual)
- **Enumerated:** March 24, 2020
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 324002 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 E MAIN ST, Bay Shore, NY 11706-8408
- **Phone:** (631) 552-9664
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 28, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1881221570) · Data from the CMS NPPES public registry.