DR. GEORGE TOLIS JR. M.D.
NPI 1841272283
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Boston, MA
About Dr. George Tolis Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEORGE TOLIS JR. M.D. (NPI 1841272283) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Boston, Massachusetts, licensed in New York (224934) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains 7 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 7
Other Identifiers 2
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
Dr. George Tolis Jr. 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 Reassignments
5Medicare enrollment records show George Tolis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 102 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 716 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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 8
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Medical Center
Acute Care Hospitals · Boston, MASt Elizabeth's Medical Center
Acute Care Hospitals · Brighton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 George Tolis's NPI number?
The NPI number for George Tolis is 1841272283. It was assigned to this individual provider in the NPPES registry on November 18, 2005.
Where is George Tolis located?
George Tolis practices at 732 Harrison Ave, Fl 3 West Preston Bldg., Boston, MA 02118. The listed phone number is (617) 638-7350.
What is George Tolis's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is George Tolis enrolled in Medicare?
Yes. George Tolis 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 George Tolis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Tolis reassigns Medicare benefits to 5 organizations: Boston University General Surgical Associates, Inc. (Boston, MA), Bmc Affiliated Physicians, Inc. (Boston, MA), The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Brigham & Womens Physicians Organization Inc (Boston, 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 George Tolis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does George Tolis accept?
Health plans from Taro Health list George Tolis 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 George Tolis affiliated with any hospitals?
According to CMS data, George Tolis is affiliated with Boston Medical Center, St Elizabeth's Medical Center and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for George Tolis was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.