Doctor profile · Federal record

Dr. Vasilios Kalonaros, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Smithtown, NY

  • NPI 1376501296
  • Accepts Medicare
  • MIPS 74.8 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
50 Karl Ave Ste 301
Smithtown, NY 117872744
(631) 239-1677
fax (631) 724-3967

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 17, 2023
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #183593
Medicaid
NY #01201490

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376501296. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,235
Distinct HCPCS
9
Medicare allowed
$100,132
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 627 202 $98
36415 Insertion of needle into vein for collection of blood sample 221 131 $5
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 91 91 $149
99215 Established patient office or other outpatient visit, 40-54 minutes 77 70 $192
G0008 Administration of influenza virus vaccine 77 77 $22
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 76 76 $74
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 28 25 $17
69210 Removal of impacted ear wax 22 18 $57
81002 Urinalysis, manual test 16 12 $3

In context: peer comparison

Among 9 peers in Smithtown Internal Medicine Physician, average services per provider: 175. This provider delivers 7.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,694
Patients
560
Total drug cost
$109,408
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 221 65 $3,420
Amlodipine Besylate Generic 164 48 $1,598
Atorvastatin Calcium Generic 125 37 $1,887
Levothyroxine Sodium Generic 124 32 $1,482
Losartan Potassium Generic 123 35 $2,454
Alprazolam Generic 116 39 $1,949
Azithromycin Generic 115 75 $639
Omeprazole Generic 112 37 $1,593
Gabapentin Generic 110 27 $1,864
Escitalopram Oxalate Generic 92 29 $1,907

Frequently asked questions

Auto-generated from federal data
What is Dr. Vasilios Kalonaros's medical specialty?
Dr. Vasilios Kalonaros practices Internal Medicine Physician in Smithtown, NY.
Where does Dr. Vasilios Kalonaros practice?
Dr. Vasilios Kalonaros practices at 50 Karl Ave Ste 301, Smithtown, NY 117872744. Office phone: 6312391677.
What is Dr. Vasilios Kalonaros's NPI?
Dr. Vasilios Kalonaros's National Provider Identifier (NPI) is 1376501296, issued by NPPES.
Does Dr. Vasilios Kalonaros accept Medicare assignment?
Yes. Dr. Vasilios Kalonaros accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vasilios Kalonaros commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.