MR. VASILIOS KALONAROS M.D.
NPI 1376501296
Internal Medicine in Smithtown, NY

Active since May 02, 2006PECOS EnrolledAccepts Medicare Assignment
74.84/100
CMS Quality Rating
50 KARL AVE STE 301, SMITHTOWN, NY 11787(631) 239-1677(631) 724-3967 Get Directions Write a Review

NPPES record last updated: January 17, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. Vasilios Kalonaros M.d. NPPES

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

MR. VASILIOS KALONAROS M.D. (NPI 1376501296) is an individual internal medicine provider in Smithtown, New York, licensed in New York (183593) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1376501296
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. VASILIOS KALONAROSCredential: M.D.
Location Address50 KARL AVE STE 301Smithtown, NY 11787-2744
Mailing Address50 Karl Ave Ste 301Smithtown, NY 11787-2744 · (631) 239-1677 · Fax (631) 724-3967
Fax(631) 724-3967
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateMay 2, 2006
Last NPPES UpdateJanuary 17, 2023
NPPES CertifiedJanuary 17, 2023
NPI 1376501296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 183593
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
50 KARL AVE STE 301, Smithtown, NY 11787

Other Identifiers 2

OtherW34601NY · Group Upin
Medicaid01201490NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. Vasilios Kalonaros 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.

PECOS PAC ID4385812486
PECOS Enrollment IDI20110719000081
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.

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
543 services182 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
189 services119 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
81 services73 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
81 services81 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
57 services57 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
56 services56 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11787 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality91.57
Promoting Interoperability94
Improvement Activities40
Cost29.57

Reported Quality Measures

Advance Care Plan
2%289 patients1/55-star benchmark: 100%
Appropriate Treatment for Upper Respiratory Infection (URI)
100%26 patients5/55-star benchmark: 100%
Colorectal Cancer Screening
29%271 patients2/55-star benchmark: 88%
Controlling High Blood Pressure
68%249 patients4/55-star benchmark: 91%
Diabetes: Eye Exam
0%65 patients1/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
25%65 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
99%1,465 patients4/55-star benchmark: 100%
HIV Screening
4%256 patients1/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
13%514 patients1/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
30%602 patients2/55-star benchmark: 61%
Provide Patients Electronic Access to Their Health Information
56%289 patients3/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
80%152 patients4/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 289 patients
Patients totalRate: 0% · 289 patients
0%289 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
15 suppliers31 claims61 services$6.16 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers14 claims15 services$1.05 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$215.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Primary Care)
50 KARL AVE STE 301
SMITHTOWN, NY 11787
Internal Medicine
50 KARL AVE STE 301
SMITHTOWN, NY 11787

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 Vasilios Kalonaros's NPI number?

The NPI number for Vasilios Kalonaros is 1376501296. It was assigned to this individual provider in the NPPES registry on May 2, 2006.

Where is Vasilios Kalonaros located?

Vasilios Kalonaros practices at 50 Karl Ave Ste 301, Smithtown, NY 11787. The listed phone number is (631) 239-1677.

What is Vasilios Kalonaros's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Vasilios Kalonaros enrolled in Medicare?

Yes. Vasilios Kalonaros 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.

Is Vasilios Kalonaros affiliated with any hospitals?

According to CMS data, Vasilios Kalonaros is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Vasilios Kalonaros was last updated on January 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.