Dr. John Brooks, M.D.
What this data tells you about Dr. Brooks
Dr. John Brooks is an internal medicine specialist in Dallas, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Brooks performed 79,064 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Brooks received a total of $4,632 from 41 pharmaceutical and/or device companies across 261 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Brooks 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 — 2023
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 |
|---|---|---|---|
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
10,679 | $8 | $20 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
8,736 | $10 | $70 |
| 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. |
8,126 | $8 | $23 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
6,402 | $13 | $46 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
5,818 | $16 | $47 |
| Urinalysis with microscopic exam A urine test performed manually that includes examining the sample under a microscope to check for abnormalities. |
5,077 | $3 | $24 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
4,614 | $9 | $50 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
3,734 | $29 | $95 |
| Free thyroxine (T4) test A blood test that measures the level of free thyroxine, a thyroid hormone, in the bloodstream. |
2,660 | $9 | $31 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
2,567 | $15 | $55 |
| Iron level test | 1,249 | $6 | $23 |
| 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. |
1,207 | $9 | $30 |
| Ferritin level test (iron stores) A blood test that measures the level of ferritin, a protein that stores iron in the body. |
1,142 | $13 | $47 |
| Sed rate test (inflammation marker) This automated test measures how quickly red blood cells settle in a tube to detect inflammation in the body. |
1,109 | $3 | $10 |
| Folic acid level test A blood test that measures the amount of folic acid in the serum. |
1,103 | $14 | $51 |
| C-reactive protein test (inflammation marker) A blood test that measures the level of C-reactive protein to detect the presence of infection or inflammation in the body. |
945 | $5 | $15 |
| PSA test (prostate cancer screening) A blood test that measures the level of prostate-specific antigen to screen for prostate cancer. |
919 | $19 | $75 |
| Urine microalbumin test (kidney screening) A laboratory test that measures the amount of microalbumin, a small protein, in a urine sample. This test is used to detect early signs of kidney damage. |
908 | $6 | $20 |
| Creatinine test (kidney function) A blood test that measures the amount of creatinine to assess kidney function or detect muscle injury. |
886 | $5 | $18 |
| 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. |
694 | $4 | $16 |
| 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. |
693 | $25 | $88 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
692 | $7 | $23 |
| PSA test (prostate cancer screening) | 692 | $18 | $63 |
| COVID-19 amplified DNA/RNA probe detection A laboratory test that uses amplified DNA or RNA probes to detect the presence of severe acute respiratory syndrome coronavirus 2 (COVID-19) antigen. |
594 | $50 | $125 |
| Free T3 thyroid hormone test A blood test that measures the level of free triiodothyronine (T3) hormone in your body. This helps assess how well your thyroid gland is functioning. |
556 | $17 | $58 |
| Cardiac enzyme level (CK-MB) test A blood test that measures the total level of creatine kinase, specifically the cardiac enzyme fraction, to help evaluate heart muscle damage. |
533 | $6 | $30 |
| 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 | $61 | $186 |
| Basic metabolic blood panel A blood test that measures a group of basic chemicals, including total calcium levels. |
459 | $8 | $60 |
| Multiplex respiratory virus test (COVID-19, flu, RSV) A laboratory test that uses a multiplex amplified probe technique to detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), influenza virus types A and B, and respiratory syncytial virus (RSV). |
433 | $140 | $320 |
| Natriuretic peptide level test A blood test that measures the level of natriuretic peptide, a protein produced by the heart and blood vessels. |
424 | $38 | $116 |
| 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. |
339 | $21 | $75 |
| 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. |
334 | $84 | $274 |
| Influenza virus nucleic acid detection test A laboratory test that uses nucleic acid technology to detect multiple types of influenza virus. |
293 | $94 | $240 |
| 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. |
256 | $10 | $43 |
| Respiratory syncytial virus (RSV) nucleic acid test A laboratory test that uses nucleic acid amplification to detect the presence of respiratory syncytial virus in a sample. |
244 | $69 | $175 |
| 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. |
239 | $14 | $50 |
| 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. |
224 | $41 | $105 |
| Hepatitis C antibody test A blood test that checks for antibodies to the hepatitis C virus. This test helps determine if a person has been exposed to the virus. |
216 | $14 | $49 |
| COVID-19 immunoassay detection test A laboratory test that uses an immunoassay method to detect the presence of severe acute respiratory syndrome coronavirus 2 (COVID-19) through direct visual observation. |
185 | $40 | $100 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
175 | $128 | $295 |
| Lipase level test A blood test that measures the amount of lipase, a fat-digesting enzyme, in your body. |
174 | $7 | $23 |
| Respiratory virus nucleic acid test, 3-5 targets A laboratory test that uses nucleic acid detection to identify multiple types or subtypes of respiratory viruses. The test analyzes 3 to 5 specific viral targets. |
171 | $140 | $360 |
| Strep A nucleic acid amplification test A laboratory test that uses nucleic acid amplification to detect the presence of Group A Streptococcus bacteria. This method identifies the genetic material of the bacteria to determine if an infection is present. |
165 | $34 | $90 |
| 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. |
153 | $5 | $17 |
| Drug screening test A laboratory test that uses a chemistry analyzer to detect the presence of drugs in a sample. |
136 | $61 | $155 |
| Amylase enzyme level test A blood test that measures the amount of amylase, an enzyme produced by the pancreas and salivary glands, to help evaluate pancreatic health. |
132 | $6 | $23 |
| Glutamyltransferase (GGT) level test A blood test that measures the level of the liver enzyme glutamyltransferase (GGT) to help evaluate liver health. |
96 | $7 | $25 |
| Kidney function blood test panel | 92 | $9 | $70 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
86 | $31 | $64 |
| Flu vaccine, high-dose High-dose seasonal influenza vaccine for adults aged 65 and older. Contains four times the antigen of standard-dose flu vaccines (60 mcg per strain), split-virus formulation, preservative-free, single-dose syringe. |
84 | $72 | $125 |
| 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. |
80 | $24 | $125 |
| Total estradiol level test A blood test that measures the total amount of estradiol, a form of estrogen, in the body. |
75 | $27 | $96 |
| 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. |
75 | $6 | $21 |
| High-sensitivity C-reactive protein test A blood test that measures high-sensitivity C-reactive protein to detect infection or inflammation. |
73 | $13 | $45 |
| Automated urinalysis An automated laboratory test performed on a urine sample to analyze its chemical and physical properties. The procedure uses machinery to detect various substances and cells within the urine. |
63 | $2 | $24 |
| Total cortisol level test A blood test that measures the total amount of cortisol hormone in your body. Cortisol is a hormone produced by the adrenal glands. |
63 | $16 | $40 |
| Hepatitis B surface antibody test A blood test that measures the level of antibodies against the hepatitis B surface antigen. This test is used to check for immunity to hepatitis B or to verify the effectiveness of the hepatitis B vaccine. |
51 | $11 | $37 |
| Hepatitis B surface antigen test A blood test that uses an immunoassay technique to detect the presence of the hepatitis B surface antigen. This test identifies whether the hepatitis B virus is currently present in the body. |
51 | $10 | $36 |
| COVID-19 vaccine administration Administration of a single dose of the coronavirus vaccine. |
47 | $41 | $100 |
| Luteinizing hormone level test A blood test that measures the level of luteinizing hormone, a reproductive hormone. This test helps evaluate hormonal balance and reproductive function. |
46 | $18 | $46 |
| Follicle stimulating hormone (FSH) level A blood test to measure the level of follicle stimulating hormone, a reproductive hormone. |
42 | $18 | $46 |
| Bone density scan (DEXA) A test that uses low-dose X-rays to measure bone mineral density in the hip, pelvis, and spine. It helps assess bone strength and risk of fractures. |
41 | $38 | $105 |
| Liver function blood test panel | 40 | $8 | $45 |
| Progesterone level test A blood test that measures the amount of progesterone, a reproductive hormone, in your body. |
39 | $20 | $52 |
| Hepatitis A antibody test A blood test that measures the level of antibodies to the hepatitis A virus in your body. This test helps determine if you have been exposed to the virus or if you have immunity from vaccination. |
35 | $12 | $36 |
| Hepatitis B core antibody (IgM) test A blood test that measures the level of IgM antibodies to the hepatitis B core antigen. This test is used to help determine if a person has a recent or acute hepatitis B infection. |
26 | $12 | $41 |
| Nucleic acid test for multiple organisms A laboratory test that uses amplified probe techniques to detect the genetic material of multiple organisms in a sample. |
25 | $69 | $175 |
| COVID-19 vaccine (Moderna bivalent) An intramuscular injection of the SARS-CoV-2 vaccine containing 50 micrograms in a 0.5 mL dose. |
24 | $143 | $360 |
| X-ray of lower and sacral spine, 2-3 views An X-ray imaging test that captures 2 to 3 views of the lower back and sacral spine to visualize the bones and joints in this area. |
23 | $28 | $90 |
| COVID-19 vaccine (Pfizer bivalent) Administration of a 30 mcg dose of the SARS-CoV-2 vaccine via intramuscular injection. |
23 | $128 | $325 |
| Prolactin level test A blood test that measures the amount of prolactin, a hormone produced by the pituitary gland that stimulates milk production, in the body. |
21 | $19 | $48 |
| Adm sarscv2 bvl 50mcg/.5ml a | 18 | $41 | $100 |
| Automated platelet count test A laboratory test that uses a machine to count the number of platelets in a blood sample. Platelets are blood cells that help the body form clots to stop bleeding. |
18 | $4 | $13 |
| Vaccine administration The process of giving a vaccine to a patient. This code covers the administration service only and does not include the cost of the vaccine itself. |
16 | $10 | $64 |
| Hip X-ray, 2-3 views An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures. |
15 | $35 | $106 |
| SARS-CoV-2 vaccine, 30 mcg/0.3 mL Administration of the SARS-CoV-2 (COVID-19) vaccine containing 30 micrograms of antigen in a 0.3 milliliter dose. |
14 | $41 | $100 |
| Pneumococcal conjugate vaccine (PCV20) An intramuscular injection of the 20-valent pneumococcal conjugate vaccine. It is used to protect against diseases caused by Streptococcus pneumoniae bacteria. |
12 | $259 | $660 |
| Knee X-ray, 1-2 views An X-ray imaging test of the knee joint using one to two different angles to visualize the bones and surrounding structures. |
11 | $24 | $158 |
| Pneumonia vaccine administration This procedure involves the injection of a vaccine to protect against pneumococcal disease. It is administered by a healthcare provider. |
11 | $31 | $110 |
| Initial preventive physical examination, new Medicare beneficiary A comprehensive preventive health visit for new Medicare beneficiaries during their first 12 months of enrollment. The service is conducted as a face-to-face visit and is limited to preventive care. |
11 | $162 | $421 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
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 ›
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | 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. Brooks is a mixed practice specialist, with above-average Medicare volume (top 1% in TX), with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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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