DR. ALLISON NUSSBAUM D.O.
NPI 1316309545
Psychiatry & Neurology - Child & Adolescent Psychiatry in Cambridge, MA
About Dr. Allison Nussbaum D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALLISON NUSSBAUM D.O. (NPI 1316309545) is an individual child & adolescent psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (288074) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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 (PECOS)
Dr. Allison Nussbaum D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Allison Nussbaum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 362 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.
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 Allison Nussbaum's NPI number?
The NPI number for Allison Nussbaum is 1316309545. It was assigned to this individual provider in the NPPES registry on March 26, 2016.
Where is Allison Nussbaum located?
Allison Nussbaum practices at 1493 Cambridge St, Cambridge, MA 02139. The listed phone number is (203) 737-7129.
What is Allison Nussbaum's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Allison Nussbaum enrolled in Medicare?
Yes. Allison Nussbaum is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Allison Nussbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Nussbaum reassigns Medicare benefits to 2 organizations: Cambridge Public Health Commission (Cambridge, 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 Allison Nussbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Nussbaum accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Allison Nussbaum 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 Allison Nussbaum was last updated on September 13, 2021. 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.