DR. TANZEEMA HOSSAIN MB, CHB
NPI 1922017284
Pediatrics - Neonatal-Perinatal Medicine in Boston, MA
About Dr. Tanzeema Hossain Mb, Chb NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TANZEEMA HOSSAIN MB, CHB (NPI 1922017284) is an individual neonatal-perinatal medicine provider in Boston, Massachusetts, licensed in Massachusetts (216216) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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)
Dr. Tanzeema Hossain Mb, Chb is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Tanzeema Hossain reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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.
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 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Tanzeema Hossain's NPI number?
The NPI number for Tanzeema Hossain is 1922017284. It was assigned to this individual provider in the NPPES registry on August 5, 2006.
Where is Tanzeema Hossain located?
Tanzeema Hossain practices at 300 Longwood Ave Hunnewell 430, Boston, MA 02115. The listed phone number is (617) 355-7243.
What is Tanzeema Hossain's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Tanzeema Hossain enrolled in Medicare?
Yes. Tanzeema Hossain is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Tanzeema Hossain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tanzeema Hossain reassigns Medicare benefits to 2 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, 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 Tanzeema Hossain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tanzeema Hossain accept?
Health plans from Taro Health list Tanzeema Hossain 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.
When was this NPI record last updated?
The NPPES record for Tanzeema Hossain was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Tanzeema Hossain, MB, CHB · NPI 1922017284
Neonatal-Perinatal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 5, 2006.
## Identity
- **NPI:** 1922017284 (Entity type: Individual)
- **Enumerated:** August 5, 2006
- **Primary specialty:** Pediatrics - Neonatal-Perinatal Medicine · taxonomy 2080N0001X
- **State license:** 216216 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, HUNNEWELL 430, Boston, MA 02115-5724
- **Phone:** (617) 355-7243
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicaid 2111802 (MA); Medicare ID-Type Unspecified A29426
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Source: [NPI Profile](https://npiprofile.com/npi/1922017284) · Data from the CMS NPPES public registry.