Dr. John Tloczkowski, MD
What this data tells you about Dr. Tloczkowski
Dr. John Tloczkowski is an endocrinology specialist in Greenlawn, NY, with 16 years of NPI registration. Based on federal Medicare data, Dr. Tloczkowski performed 24,010 Medicare services across 5,489 unique beneficiaries.
Between the years covered by Open Payments, Dr. Tloczkowski received a total of $478 from 3 pharmaceutical and/or device companies across 5 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in endocrinology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Tloczkowski is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Denosumab injection (Prolia/Xgeva) | 15,120 | $18 | $30 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
2,104 | $110 | $430 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
1,469 | $8 | $15 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
1,218 | $10 | $45 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
968 | $9 | $46 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
870 | $13 | $63 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
859 | $16 | $80 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
256 | $29 | $141 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
256 | $13 | $583 |
| Continuous glucose monitoring with interpretation This procedure involves monitoring blood sugar levels in tissue fluid using a sensor placed under the skin, along with the interpretation and reporting of the results. |
160 | $31 | $170 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
122 | $142 | $660 |
| Complete blood count (CBC), automated An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood. |
120 | $6 | $27 |
| Manual white blood cell count A laboratory test that involves examining a sample under a microscope to manually count the number of white blood cells present. |
119 | $4 | $16 |
| Urinalysis with microscopic exam A urine test performed manually that includes examining the sample under a microscope to check for abnormalities. |
63 | $3 | $15 |
| Phosphate level test A blood test that measures the amount of phosphate in your body. Phosphate is a mineral that helps keep bones and teeth strong. |
62 | $5 | $22 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
60 | $71 | $290 |
| Continuous glucose monitoring, sensor under skin This procedure involves continuous monitoring of blood sugar levels in tissue fluid using a sensor placed under the skin with provider-supplied equipment. |
52 | $136 | $660 |
| Basic metabolic blood panel A blood test that measures a group of basic chemicals, including total calcium levels. |
35 | $8 | $30 |
| Ultrasound-guided fine needle aspiration biopsy, first lesion A biopsy procedure where a thin needle is used to collect tissue samples from a growth, guided by ultrasound imaging. This code applies to the first lesion or mass sampled during the session. |
25 | $123 | $330 |
| Liver function blood test panel | 21 | $8 | $30 |
| PSA test (prostate cancer screening) | 20 | $18 | $87 |
| Direct bilirubin level test A blood test that measures the amount of direct bilirubin in your body. Direct bilirubin is the form of the waste product processed by the liver. |
18 | $5 | $23 |
| Erythrocyte sedimentation rate (ESR) test A blood test that measures how quickly red blood cells settle in a test tube to detect inflammation in the body. This specific method is performed manually rather than using an automated machine. |
13 | $4 | $16 |
Industry Payment Transparency
Open Payments through 2023 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2023)
All-time payments by company (2018-2023) ›
Associated products mentioned in payments ›
Most payments (98%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
3.5 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2023 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Tloczkowski is a mixed practice specialist, with above-average Medicare volume (top 3% in NY), with low-engagement industry engagement, with 16 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Tloczkowski experienced with denosumab injection (prolia/xgeva)?
Does Dr. Tloczkowski receive payments from pharmaceutical companies?
How do Dr. Tloczkowski's costs compare to other endocrinologists in Greenlawn?
What does Data Coverage mean?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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