Internal Medicine, Infectious Disease · West Islip, NY
NPI
1588663546
Since 2005
Specialty
Internal Medicine, Infectious Disease
Code 207RI0200X
Group practices
1
Medicare group memberships
Hospitals
4
Hospital affiliations
500 Montauk Hwy, Suite 5
West Islip, NY, 11795
Phone (631) 587-7733
Groups this clinician bills Medicare through
Medicare paid, 2024
$203K
2,094 services
Medicare patients, 2024
537
Average age 75
Drug cost, 2024
$1.3M
4,406 prescriptions
Company payments, 2025
$1,200
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Ronald I Lenefsky was code 99233 (hospital e&m - subsequent), 384 times for 181 patients. In total Ronald I Lenefsky billed 2,094 services in 39 codes, and Medicare paid $203K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2024-12-30.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99233 Hospital E&M - Subsequent | Facility | 384 | 181 | $107.30 | $41K |
| 99215 Office E&M - Established | Office | 316 | 176 | $160.37 | $51K |
| 36415 Venipuncture Blood Collection | Office | 298 | 202 | $8.62 | $2,569 |
| 99232 Hospital E&M - Subsequent | Facility | 270 | 128 | $71.11 | $19K |
| 99214 Office E&M - Established | Office | 222 | 140 | $101.72 | $23K |
| 99223 Hospital E&M - Initial | Facility | 218 | 204 | $156.80 | $34K |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 78 | 78 | $151.09 | $12K |
| G0008 Administration of influenza virus vaccine | Office | 42 | 40 | $37.09 | $1,558 |
| 90662 Vaccine Product | Office | 41 | 39 | $80.37 | $3,295 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 37 | 34 | $13.26 | $491 |
| 93000 Electrocardiogram | Office | 17 | 17 | $13.56 | $230 |
| 99205 Office E&M - New | Office | 16 | 16 | $170.30 | $2,725 |
| 90677 Vaccine Product | Office | 11 | 11 | $290.41 | $3,195 |
| G0009 Administration of pneumococcal vaccine | Office | 11 | 11 | $37.09 | $408 |
By year: 2022 $230K for 2,404 services; 2023 $232K for 2,424 services; 2024 $203K for 2,094 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 298 | 202 | $8.62 | $2,569 |
Medicare prescription drug claims, 2024
In 2024, the drug Ronald I Lenefsky prescribed most often to Medicare patients was Atorvastatin Calcium, with 298 prescriptions and refills. In total Ronald I Lenefsky wrote 4,406 Medicare prescriptions that cost $1.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 298 | 854 | 88 | $2,740 |
| Rosuvastatin Calcium Generic | 231 | 642 | 66 | $2,982 |
| Losartan Potassium Generic | 201 | 592 | 58 | $1,609 |
| Amlodipine Besylate Generic | 185 | 525 | 48 | $913 |
| Hydrochlorothiazide Generic | 180 | 529 | 49 | $717 |
| Levothyroxine Sodium Generic | 148 | 433 | 42 | $2,207 |
| Alprazolam Generic | 145 | 145 | 37 | $551 |
| Metoprolol Succinate Generic | 108 | 279 | 33 | $1,702 |
| Simvastatin Generic | 83 | 255 | 25 | $529 |
| Escitalopram Oxalate Generic | 79 | 231 | 26 | $1,178 |
| Zolpidem Tartrate Generic | 79 | 79 | 22 | $427 |
| Metformin Hcl Generic | 74 | 218 | 25 | $450 |
| Lisinopril Generic | 71 | 189 | 17 | $364 |
| Atenolol Generic | 62 | 158 | 17 | $377 |
| Omeprazole Generic | 59 | 177 | 20 | $805 |
Brand drugs: - claims; generic drugs: 3,843 claims; opioid claims: 26.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Ronald I Lenefsky $1,200 ($1,200 in general payments such as food, travel and fees) from 1 company. The largest payer was Apellis Pharmaceuticals, Inc. with $1,200.
| Company | Payments | Amount |
|---|---|---|
| Apellis Pharmaceuticals, Inc. APLS | 1 | $1,200 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.