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DR. GUS J VLAHAKES MD
NPI 1831189737
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Boston, MA

Active since October 24, 2005PECOS Enrolled
MASSACHUSETTS GENERAL HOSPITAL, COX652, BOSTON, MA 02114(617) 726-1861(617) 726-5804 Get Directions Write a Review

NPPES record last updated: January 21, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Gus J Vlahakes Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GUS J VLAHAKES MD (NPI 1831189737) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Boston, Massachusetts, licensed in Massachusetts (50794) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831189737
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. GUS J VLAHAKESCredential: MD
Location AddressMASSACHUSETTS GENERAL HOSPITAL, COX652Boston, MA 02114
Mailing Address55 Fruit St, Cox630Boston, MA 02114-2621 · (617) 726-1861 · Fax (617) 726-5804
Phone(617) 726-1861
Fax(617) 726-5804
Sole ProprietorNo
Enumeration DateOctober 24, 2005
Last NPPES UpdateJanuary 21, 2014
✔ NPI 1831189737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in MA · 50794
Definition
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.
Also ListedSurgeryTaxonomy 208600000X · License 50794 (MA)
Also ListedSurgery · Surgical Critical CareTaxonomy 2086S0102X · License 50794 (MA)
MASSACHUSETTS GENERAL HOSPITAL, Boston, MA 02114
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Other Identifiers 5

Medicaid3005542MA
Other705249MA · Tufts Health Plan
Medicare UPINA46541
OtherJ05165MA · Bcbs Ma
Medicare ID-Type UnspecifiedJ05165MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gus J Vlahakes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Gus Vlahakes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The General Hospital Corporation
Same address
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000
Massachusetts General Physicians Organization Inc
Same address
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

KAITLYN MY-TU LAM MBBS
Internal Medicine (Cardiovascular Disease)
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 724-7738
ALAKA RAY M.D.
Internal Medicine
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 726-2066
MEGHAN E SISE M.D.
Internal Medicine (Nephrology)
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 726-2862
HUGH G AUCHINCLOSS M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 726-2000
ANGELA M. JACQUES MD
Pediatrics
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST.
BOSTON, MA 02114
Suffolk County (617) 726-2066
NICOLE J LOOK-HONG MD, MSC
Surgery (Surgical Oncology)
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST.
BOSTON, MA 02114
Suffolk County (617) 724-3868
CORINNA M ELLIOTT MA
Student in an Organized Health Care Education/Training Program
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 724-5600
KIRAN J AGARWAL-HARDING MD
Orthopaedic Surgery
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST.
BOSTON, MA 02114
Suffolk County (617) 726-2942

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 Gus Vlahakes's NPI number?

The NPI number for Gus Vlahakes is 1831189737. It was assigned to this individual provider in the NPPES registry on October 24, 2005.

Where is Gus Vlahakes located?

Gus Vlahakes practices at Massachusetts General Hospital Cox652, Boston, MA 02114. The listed phone number is (617) 726-1861.

What is Gus Vlahakes's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Gus Vlahakes enrolled in Medicare?

Yes. Gus Vlahakes is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gus Vlahakes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gus Vlahakes reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General 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 Gus Vlahakes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gus Vlahakes accept?

Health plans from Taro Health list Gus Vlahakes 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.

When was this NPI record last updated?

The NPPES record for Gus Vlahakes 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.