Dr. Ronald Fagan, M.D.
What this data tells you about Dr. Fagan
Dr. Ronald Fagan is an internal medicine specialist in Farmingdale, NY, with 19 years of NPI registration. Based on federal Medicare data, Dr. Fagan performed 7,018 Medicare services across 4,037 unique beneficiaries.
Between the years covered by Open Payments, Dr. Fagan received a total of $13,752 from 67 pharmaceutical and/or device companies across 654 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in internal medicine. 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. Fagan 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 |
|---|---|---|---|
| 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. |
530 | $63 | $150 |
| 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. |
447 | $113 | $225 |
| Infectious disease DNA/RNA test A laboratory test that uses a specific technique to detect the genetic material of an organism. This method amplifies the target DNA or RNA to identify the presence of the organism. |
351 | $34 | $70 |
| Immunoglobulin level test A blood test that measures the level of gammaglobulins, which are immune system proteins. |
336 | $9 | $20 |
| Telephone medical discussion, 11-20 minutes A phone conversation with a physician lasting between 11 and 20 minutes. |
246 | $85 | $124 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
154 | $10 | $35 |
| Glutamyltransferase (GGT) level test A blood test that measures the level of the liver enzyme glutamyltransferase (GGT) to help evaluate liver health. |
154 | $7 | $25 |
| Lactate dehydrogenase (LDH) level test A blood test that measures the amount of lactate dehydrogenase, an enzyme found in many body tissues. It helps assess tissue damage or disease. |
154 | $6 | $20 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
149 | $13 | $35 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
149 | $15 | $30 |
| Ferritin level test (iron stores) A blood test that measures the level of ferritin, a protein that stores iron in the body. |
149 | $13 | $35 |
| Folic acid level test A blood test that measures the amount of folic acid in the serum. |
149 | $14 | $35 |
| Iron level test | 149 | $6 | $15 |
| Free thyroxine (T4) test A blood test that measures the level of free thyroxine, a thyroid hormone, in the bloodstream. |
149 | $9 | $25 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
149 | $16 | $50 |
| Total T3 thyroid hormone test A blood test that measures the total amount of triiodothyronine (T3) hormone in your body. T3 is a thyroid hormone that helps regulate metabolism and energy levels. |
149 | $14 | $30 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
148 | $29 | $70 |
| Iron binding capacity test A blood test that measures the amount of iron in the blood and the blood's ability to bind and transport iron. |
148 | $9 | $15 |
| Microsomal antibody test A blood test that measures the level of microsomal antibodies, which are autoantibodies produced by the immune system. |
148 | $14 | $31 |
| COVID-19 antibody test A blood test that measures antibodies to severe acute respiratory syndrome coronavirus 2 (COVID-19). It detects the presence of immune response markers to the virus. |
148 | $41 | $55 |
| Total estradiol level test A blood test that measures the total amount of estradiol, a form of estrogen, in the body. |
147 | $27 | $55 |
| IgE level test A blood test that measures the level of immunoglobulin E (IgE) proteins in the immune system. |
147 | $16 | $30 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
147 | $10 | $30 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
147 | $7 | $13 |
| 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. |
147 | $5 | $25 |
| DHEA-S hormone level test A blood test that measures the level of dehydroepiandrosterone sulfate (DHEA-S), a hormone produced by the adrenal glands. |
146 | $22 | $60 |
| High-sensitivity C-reactive protein test A blood test that measures high-sensitivity C-reactive protein to detect infection or inflammation. |
146 | $13 | $25 |
| Uric acid level test A blood test that measures the level of uric acid in your body. Uric acid is a waste product formed when the body breaks down purines. |
143 | $4 | $11 |
| Parathyroid hormone level test A blood test that measures the amount of parathyroid hormone in your body. This hormone helps regulate calcium levels in the blood and bones. |
142 | $40 | $75 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
136 | $8 | $10 |
| Rheumatoid factor level | 133 | $6 | $15 |
| Insulin level test A blood test that measures the total amount of insulin in your body. |
114 | $11 | $50 |
| C-peptide level test A blood test that measures the amount of C-peptide, a protein produced along with insulin, to help evaluate insulin production and diabetes management. |
114 | $20 | $40 |
| Urine analysis Laboratory testing of a urine sample to check for various substances and conditions, excluding immunoassay tests. |
109 | $2 | $20 |
| Yeast/candida DNA test A laboratory test that uses an amplified probe technique to detect the presence of Candida species, a type of yeast, in a patient sample. |
108 | $34 | $70 |
| Respiratory virus test for SARS-CoV-2, influenza A/B, and RSV A laboratory test that detects the presence of SARS-CoV-2 (COVID-19), influenza A, influenza B, and respiratory syncytial virus (RSV) in an upper respiratory specimen. |
94 | $140 | $350 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
92 | $8 | $20 |
| Total testosterone level test A blood test that measures the total amount of testosterone in your body. This hormone is important for various bodily functions in both men and women. |
90 | $25 | $50 |
| Sex hormone binding globulin level test A blood test that measures the level of sex hormone binding globulin, a protein that binds to sex hormones in the bloodstream. |
88 | $21 | $45 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
84 | $13 | $90 |
| PSA test (prostate cancer screening) | 80 | $18 | $40 |
| Ultrasound of arm and leg arteries This procedure uses sound waves to create images of the blood vessels in the arms and legs. It allows healthcare providers to examine the structure and blood flow within these arteries. |
43 | $77 | $189 |
| Intravenous infusion, 1 hour or less Administration of medication or fluid directly into a vein for therapeutic, preventive, or diagnostic purposes. The procedure lasts one hour or less. |
34 | $63 | $269 |
| Staphylococcus aureus DNA test A laboratory test that uses DNA amplification to detect the presence of Staphylococcus aureus bacteria in a sample. |
27 | $34 | $70 |
| Group B Strep DNA test A laboratory test that uses DNA amplification to detect the presence of Group B Streptococcus bacteria. |
27 | $34 | $70 |
| VRE nucleic acid detection test A laboratory test that uses amplified probe techniques to detect vancomycin-resistant Enterococcus (VRE) DNA in a patient sample. |
26 | $34 | $137 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
25 | $152 | $202 |
| Colon polyp removal with endoscope and cautery This procedure removes polyps or growths from the large bowel using a flexible tube with a camera. Electrical cautery is used to stop bleeding during the removal. |
22 | $408 | $2,236 |
| Colonoscopy with biopsy A procedure to collect tissue samples from the large intestine using a flexible tube with a camera. The samples are examined to check for abnormalities or disease. |
21 | $218 | $3,429 |
| Chest X-ray, 2 views An X-ray imaging test of the chest that captures two different angles to visualize the lungs, heart, and chest wall. |
21 | $33 | $55 |
| Obesity behavioral counseling, 15 minutes A 15-minute face-to-face session focused on behavioral counseling to help manage obesity. |
21 | $30 | $60 |
| Upper GI endoscopy with biopsy A procedure to collect tissue samples from the esophagus, stomach, or upper small intestine using a flexible tube with a camera. The samples are examined to check for abnormalities. |
18 | $277 | $1,622 |
| Assessment of emotional or behavioral problems An evaluation to identify and understand emotional or behavioral issues. This process involves reviewing symptoms and behaviors to determine the nature of the concerns. |
12 | $5 | $20 |
| 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. |
11 | $139 | $300 |
Industry Payment Transparency
Open Payments through 2024 ↗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 (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 7% for internal medicine in NY.
Geographic Context
2.9 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 2024 |
| 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. Fagan is a mixed practice specialist, with above-average Medicare volume (top 3% in NY), with low-engagement industry engagement in the top 7% of NY peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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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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