HELENA A SANTOS-MARTINS M.D.
NPI 1386787778
Internal Medicine in Cambridge, MA
About Helena A Santos-martins M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELENA A SANTOS-MARTINS M.D. (NPI 1386787778) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (204952) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Northeast Hospital Corporation, and is a graduate of Rutgers New Jersey Medical School (1997).
NPPES Registry Identity
Specialties & Licenses
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)
Helena A Santos-martins M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Helena Santos-martins reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Beverly, MA 01915
- Reassigned Medicare billing, Massachusetts enrollment
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 13
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.
Northeast Hospital Corporation
Acute Care Hospitals · Beverly, MANorth Shore Medical Center -
Acute Care Hospitals · Salem, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02135 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
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Helena Santos-martins's NPI number?
The NPI number for Helena Santos-martins is 1386787778. It was assigned to this individual provider in the NPPES registry on February 15, 2007.
Where is Helena Santos-martins located?
Helena Santos-martins practices at East Cambridge Health Center 163 Gore Street, Cambridge, MA 02135. The listed phone number is (617) 665-3000.
What is Helena Santos-martins's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Helena Santos-martins enrolled in Medicare?
Yes. Helena Santos-martins is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Helena Santos-martins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helena Santos-martins reassigns Medicare benefits to Helena Santos-Martins, MD, PC (Beverly, 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 Helena Santos-martins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Helena Santos-martins accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Helena Santos-martins 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 Helena Santos-martins affiliated with any hospitals?
According to CMS data, Helena Santos-martins is affiliated with Northeast Hospital Corporation, North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Helena Santos-martins was last updated on July 8, 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.