GERALDINE ZABIK M.D.
NPI 1063594828
Internal Medicine in Newton Lower Falls, MA
About Geraldine Zabik M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GERALDINE ZABIK M.D. (NPI 1063594828) is an individual internal medicine provider in Newton Lower Falls, Massachusetts, licensed in Massachusetts (71612) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of University Of Massachusetts Medical School (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
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
Geraldine Zabik M.d. 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 Reassignment
Medicare enrollment records show Geraldine Zabik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
Areas of Expertise CMS Part B claims 9
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAMilford Regional Medical Center
Acute Care Hospitals · Milford, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02462 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
NEWTON, MA 02462
NEWTON LOWER FALLS, MA 02462
NEWTON, MA 02462
NEWTON, MA 02462
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 Geraldine Zabik's NPI number?
The NPI number for Geraldine Zabik is 1063594828. It was assigned to this individual provider in the NPPES registry on October 20, 2006.
Where is Geraldine Zabik located?
Geraldine Zabik practices at 2000 Washington St Suite 546, Newton Lower Falls, MA 02462. The listed phone number is (617) 964-5020.
What is Geraldine Zabik's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Geraldine Zabik enrolled in Medicare?
Yes. Geraldine Zabik 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 organization bills Medicare for Geraldine Zabik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geraldine Zabik reassigns Medicare benefits to Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). The 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 Geraldine Zabik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Geraldine Zabik accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Geraldine Zabik 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 Geraldine Zabik affiliated with any hospitals?
According to CMS data, Geraldine Zabik is affiliated with Massachusetts General Hospital, Milford Regional Medical Center, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Geraldine Zabik was last updated on May 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.