DR. GEORGE TOLIS JR. M.D.
NPI 1841272283
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Boston, MA

NPI Status: Active since November 18, 2005

Contact Information

732 HARRISON AVE, FL 3 WEST
PRESTON BLDG.
BOSTON, MA
ZIP 02118
Phone: (617) 638-7350
Fax: (617) 638-7228

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  • Individual
  • Male
  • Years of Experience 31
  • Thoracic Surgery (Cardiothoracic Vascula...
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About GEORGE TOLIS

This page provides the complete NPI Profile along with additional information for George Tolis, a provider established in Boston, Massachusetts with a medical specialization in Thoracic Surgery (cardiothoracic Vascular Surgery) and more than 31 years of experience. He graduated from Harvard Medical School in 1995. The healthcare provider is registered in the NPI registry with number 1841272283 assigned on November 2005. The practitioner's primary taxonomy code is 208G00000X with license number 224934 (NY). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1841272283
Provider Name
DR. GEORGE TOLIS JR. M.D.
Gender
Male
Entity Type
Individual
Location Address
732 HARRISON AVE, FL 3 WEST PRESTON BLDG. BOSTON, MA 02118
Location Phone
(617) 638-7350
Location Fax
(617) 638-7228
Mailing Address
960 MASSACHUSETTS AVENUE FL 2 BOSTON, MA 02118
Medical School Name
HARVARD MEDICAL SCHOOL
Graduation Year
1995
Is Sole Proprietor?
No
Enumeration Date
11-18-2005
Last Update Date
05-19-2026
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Location Map

Secondary Locations

  • 830 Oak Street Suite 205W
    Brockton, MA 02301
    (508) 583-4440
  • 235 N. Pearl St.
    Brockton, MA 02301
    (508) 427-3180
  • 736 Cambridge St.
    Brighton, MA 02135
    (617) 789-2268
  • 1 Pearl St. Suite 2000
    Brockton, MA 02301
    (508) 584-4104
  • 60 East St. Suite 1400
    Methuen, MA 01844
    (617) 202-6001
  • 55 Fruit St Cox 6 Suite 630
    Boston, MA 02114
    (617) 643-9280
  • 11 Nevins St. Suite 306
    Brighton, MA 02135
    (617) 789-2045

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Thoracic Surgery (Cardiothoracic Vascular Surgery)

Taxonomy Code
208G00000X
Type
Allopathic & Osteopathic Physicians
License No.
224934
License State
NY
Taxonomy Description
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1208600000XAllopathic & Osteopathic Physicians

Surgery

230131 (MA)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Anthem Bronze Access Blue New England HMO 6000/20%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7000/50%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7500/30%/10000 Value - HMO
  • Anthem Bronze Access Blue New England HMO 8500/50%/9200 - HMO
  • Anthem Gold Access Blue New England HMO 1000/20%/7500 - HMO
  • Anthem Gold Access Blue New England HMO 2000/0%/6500 RxD - HMO
  • Anthem Gold Access Blue New England HMO 2000/10%/4600 w/HSA - HMO
  • Anthem Gold Access Blue New England HMO 2000/10%/7500 - HMO
  • Anthem Gold Access Blue New England HMO 2000/20%/4600 w/HSA - HMO
  • Anthem Gold Access Blue New England HMO 3000/0%/7500 RxD - HMO
  • Anthem Gold Access Blue New England HMO 500/30%/9000 - HMO
  • Anthem Platinum Access Blue New England HMO 250/10%/3500 - HMO
  • Anthem Silver Access Blue New England HMO 2500/30%/10000 Value - HMO
  • Anthem Silver Access Blue New England HMO 3000/30%/9000 Value - HMO
  • Anthem Silver Access Blue New England HMO 3500/20%/10000 - HMO
  • Anthem Silver Access Blue New England HMO 3500/20%/7250 w/HSA - HMO
  • Anthem Silver Access Blue New England HMO 4000/0%/9000 - HMO
  • Anthem Silver Access Blue New England HMO 4000/0%/9000 RxD - HMO
  • Anthem Silver Access Blue New England HMO 4000/10%/7250 w/HSA - HMO
  • Anthem Silver Access Blue New England HMO 4000/20%/8500 - HMO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
110075160AMEDICAID (05)MA 
3101505MEDICAID (05)NH 

Medicare Participation & PECOS Enrollment Status

George Tolis is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

George Tolis is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 6901805506

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20061208000271

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Coronary artery bypass using artery graft, 1 graft

A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.

This service was performed 39 times for 39 patients

Coronary artery bypass using artery graft, 2 grafts

A Coronary Artery Bypass with 2 grafts is a heart procedure. It involves taking healthy blood vessels from another part of your body and using them to bypass, or go around, blocked arteries in your heart. This helps improve blood flow to your heart.

This service was performed 14 times for 14 patients

Coronary artery bypass using vein or artery graft, 1 graft

A coronary artery bypass is a surgical procedure that improves blood flow to the heart. A vein or artery from another part of your body is used to create a new route for blood to bypass a blocked coronary artery. This helps relieve chest pain and reduce heart attack risk.

This service was performed 21 times for 21 patients

Coronary artery bypass using vein or artery graft, 2 grafts

A coronary artery bypass with 2 grafts is a surgery to improve blood flow to your heart. A surgeon takes a healthy vein or artery from your body and attaches it to the blocked coronary artery. This creates a new path for blood to flow, bypassing the blockage.

This service was performed 23 times for 23 patients

Harvest of vein using an endoscope

Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.

This service was performed 48 times for 48 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 66 times for 66 patients

Replacement of aortic valve on heart-lung machine

The aortic valve replacement on a heart-lung machine is a procedure where your faulty aortic valve is replaced with a new one. During this operation, a machine takes over the job of your heart and lungs, ensuring the blood supply to your body is maintained.

This service was performed 14 times for 14 patients

Replacement of mitral valve on heart-lung machine

Mitral valve replacement involves a surgeon removing a damaged or diseased mitral valve in your heart and replacing it with a new, healthy one. This is done while your body is connected to a heart-lung machine, which takes over your heart's pumping function during the procedure.

This service was performed 11 times for 11 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $47.46 for a new patient copayment and $19.71 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 02118 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $189.86
  • Minimum New Patient Price $63.72
  • Maximum New Patient Price $189.86
  • Average New Patient Copayment $47.46
  • Minimum New Patient Copayment $15.93
  • Maximum New Patient Copayment $47.46

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $78.84
  • Minimum Established Patient Price $21.07
  • Maximum Established Patient Price $155.29
  • Average Established Patient Copayment $19.71
  • Minimum Established Patient Copayment $5.26
  • Maximum Established Patient Copayment $38.82

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. George Tolis is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
BRIGHAM AND WOMEN'S HOSPITAL75 FRANCIS STREET
BOSTON, MA 02115
(617) 732-5500Acute Care Hospitals

Reviews for DR. GEORGE TOLIS JR. M.D.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1841272283, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
2
Doubled → 4
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 4 → 8 2 → 4 2 → 4 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 8 + 1 + 4 + 7 + 4 + 2 + 1 + 6 + 24 = 67

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1841272283.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
732 HARRISON AVE, FL 3 WEST, PRESTON BLDG.
BOSTON, MA 02118
Physician Assistant
732 HARRISON AVE, FL 3 WEST, PRESTON BLDG
BOSTON, MA 02118

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841272283, enumerated as an "individual" on November 18, 2005.

The provider is located at 732 HARRISON AVE, FL 3 WEST PRESTON BLDG. BOSTON, MA 02118 and the phone number is (617) 638-7350.

Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield, Medicare and. Please consult your insurance carrier or call the provider to verify.

George Tolis is affiliated with: BRIGHAM AND WOMEN'S HOSPITAL.