DR. ALLISON NUSSBAUM D.O.
NPI 1316309545
Psychiatry & Neurology - Child & Adolescent Psychiatry in Cambridge, MA

Active since March 26, 2016PECOS Enrolled
1493 CAMBRIDGE ST, CAMBRIDGE, MA 02139(203) 737-7129 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 13, 2021, Oct 25, 2019, Oct 9, 2019 and 1 more (4 updates tracked since 2016).

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

NPI1316309545
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. ALLISON NUSSBAUMCredential: D.O.
Location Address1493 CAMBRIDGE STCambridge, MA 02139-1099
Mailing Address1493 Cambridge StCambridge, MA 02139-1099
Sole ProprietorNo
Enumeration DateMarch 26, 2016
Last NPPES UpdateSeptember 13, 20214 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2021
✔ NPI 1316309545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in MA · 288074
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 62354 (CT)
1493 CAMBRIDGE ST, Cambridge, MA 02139

Other Identifiers 1

Other299074MA · Medical License

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Clinic/Center
1493 CAMBRIDGE ST
Cambridge, MA 02139
  • Reassigned Medicare billing, Massachusetts enrollment
  • 362 clinicians in this Medicare group
Family Medicine
2014 WASHINGTON STREET
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.

Speech-Language Pathologist
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Emergency Medicine
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Social Worker (Clinical)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Registered Nurse
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Registered Nurse
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Social Worker (Clinical)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Registered Nurse (Ambulatory Care)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Registered Nurse (Neonatal, Low-Risk)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139

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.