Mr Vasilios Kalonaros, MD - Medicare Internal Medicine in Smithtown, NY

Mr Vasilios Kalonaros, MD is a medicare enrolled "Internal Medicine" physician in Smithtown, New York. He graduated from medical school in 1986 and has 38 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 50 Karl Ave Ste 301, Smithtown, New York. You can reach out to his office (for appointments etc.) via phone at (631) 239-1677.

Mr Vasilios Kalonaros is licensed to practice in New York (license number 183593) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1376501296.

Contact Information

Mr Vasilios Kalonaros, MD
50 Karl Ave Ste 301,
Smithtown, NY 11787-2744
(631) 239-1677
(631) 724-3967

Map and Direction




Physician's Profile

Full NameMr Vasilios Kalonaros
GenderMale
SpecialityInternal Medicine
Experience38 Years
Location50 Karl Ave Ste 301, Smithtown, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mr Vasilios Kalonaros graduated from medical school in 1986
  NPI Data:
  • NPI Number: 1376501296
  • Provider Enumeration Date: 05/02/2006
  • Last Update Date: 01/17/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4385812486
  • Enrollment ID: I20110719000081

Medical Identifiers

Medical identifiers for Mr Vasilios Kalonaros such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376501296NPI-NPPES
W34601OtherNYGROUP UPIN
01201490MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 183593 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Suny/stony Brook University HospitalStony brook, NYHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mr Vasilios Kalonaros allows following entities to bill medicare on his behalf.
Entity NameNorth Suffolk Medical Associates, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639216476
PECOS PAC ID: 6608767041
Enrollment ID: O20110715000153

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mr Vasilios Kalonaros is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mr Vasilios Kalonaros, MD
50 Karl Ave Ste 301,
Smithtown, NY 11787-2744

Ph: (631) 239-1677
Mr Vasilios Kalonaros, MD
50 Karl Ave Ste 301,
Smithtown, NY 11787-2744

Ph: (631) 239-1677

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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