MARY TENENBAUM MD
NPI 1912115262
Radiology - Neuroradiology in Boston, MA
About Mary Tenenbaum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY TENENBAUM MD (NPI 1912115262) is an individual neuroradiology provider in Boston, Massachusetts, licensed in Massachusetts (252882) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and is a graduate of Temple University School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
Other Names 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 and accepts Medicare assignment
Mary Tenenbaum 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 Reassignments
2Medicare enrollment records show Mary Tenenbaum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Springfield, MA 01107
- Reassigned Medicare billing, Connecticut and Massachusetts enrollments
- 36 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 23
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooley Dickinson Hospital Inc,the
Acute Care Hospitals · Northampton, MAHolyoke Medical Center
Acute Care Hospitals · Holyoke, MABaystate Noble Hospital
Acute Care Hospitals · Westfield, MABaystate Medical Center
Acute Care Hospitals · Springfield, MAOther 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 Mary Tenenbaum's NPI number?
The NPI number for Mary Tenenbaum is 1912115262. It was assigned to this individual provider in the NPPES registry on May 18, 2007. The provider is also known as Mary Fontanella MD.
Where is Mary Tenenbaum located?
Mary Tenenbaum practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-7936.
What is Mary Tenenbaum's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.
Is Mary Tenenbaum enrolled in Medicare?
Yes. Mary Tenenbaum 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 organizations bill Medicare for Mary Tenenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Tenenbaum reassigns Medicare benefits to 2 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Radiology & Imaging Inc (Springfield, 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 Mary Tenenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Tenenbaum accept?
Health plans from Taro Health list Mary Tenenbaum 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.
Is Mary Tenenbaum affiliated with any hospitals?
According to CMS data, Mary Tenenbaum is affiliated with Cooley Dickinson Hospital Inc,the, Holyoke Medical Center, Baystate Noble Hospital and Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Tenenbaum was last updated on January 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.