DR. NINA ZACHARIAH MD
NPI 1285610261
Anesthesiology in Westwood, MA
About Dr. Nina Zachariah Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NINA ZACHARIAH MD (NPI 1285610261) is an individual anesthesiology provider in Westwood, Massachusetts, licensed in Massachusetts (209083) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Nina Zachariah Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Nina Zachariah reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dedham, MA 02026
- Reassigned Medicare billing, Massachusetts enrollment
- 41 clinicians in this Medicare group
Weymouth, MA 02189
- Reassigned Medicare billing, Massachusetts enrollment
- 115 clinicians in this Medicare group
Fall River, MA 02721
- Reassigned Medicare billing, Massachusetts enrollment
- 347 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.
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.
WESTWOOD, MA 02090
WESTWOOD, MA 02090
WESTWOOD, MA 02090
WESTWOOD, MA 02090
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 Nina Zachariah's NPI number?
The NPI number for Nina Zachariah is 1285610261. It was assigned to this individual provider in the NPPES registry on December 21, 2005.
Where is Nina Zachariah located?
Nina Zachariah practices at 690 Canton St Suite 325, Westwood, MA 02090. The listed phone number is (781) 407-7713.
What is Nina Zachariah's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Nina Zachariah enrolled in Medicare?
Yes. Nina Zachariah is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Nina Zachariah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nina Zachariah reassigns Medicare benefits to 3 organizations: Excel Anesthesia Associates PLLC (Dedham, MA), Capa Anesthesia LLC (Weymouth, MA) and Steward Medical Group, Inc (Fall River, 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 Nina Zachariah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Nina Zachariah was last updated on October 22, 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.