Dr. Ranjit Grewal, M.D.
What this data tells you about Dr. Grewal
Dr. Ranjit Grewal is a family medicine specialist in Houston, TX, with 19 years of NPI registration. Based on federal Medicare data, Dr. Grewal performed 10,686 Medicare services across 4,268 unique beneficiaries.
Between the years covered by Open Payments, Dr. Grewal received a total of $3,938 from 39 pharmaceutical and/or device companies across 241 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family 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. Grewal is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. 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 |
|---|---|---|---|
| Allergy skin test A diagnostic test performed to identify specific allergies by applying or introducing allergenic extracts to the body. The procedure measures the patient's immune response to various potential allergens. |
1,440 | $3 | $9 |
| Chronic care management, first 20 min/month This service covers the first 20 minutes of clinical staff time directed by a healthcare professional each calendar month to manage chronic conditions. |
1,430 | $50 | $95 |
| 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. |
766 | $102 | $250 |
| Intravenous injection of additional new drug or substance Administration of an additional new medication or substance directly into a vein. |
635 | $13 | $50 |
| Unclassified drug A medication that does not fit into standard HCPCS or CPT classification categories. |
538 | $3 | $222 |
| Obesity behavioral counseling, 15 minutes A 15-minute face-to-face session focused on behavioral counseling to help manage obesity. |
329 | $27 | $50 |
| Additional sequential IV infusion, 1 hour or less This code represents an additional intravenous infusion administered sequentially to a primary infusion. It covers the administration time of one hour or less. |
290 | $24 | $74 |
| 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. |
280 | $72 | $200 |
| 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. |
262 | $53 | $149 |
| Concurrent intravenous infusion Administration of medication or fluid into a vein for therapy, prevention, or diagnosis while another infusion is being given. |
262 | $16 | $44 |
| Advance care planning consultation, first 30 min A session focused on discussing and documenting future healthcare preferences and goals. This service covers the initial 30 minutes of the planning discussion. |
244 | $66 | $130 |
| Vitamin B-12 injection An injection of vitamin B-12 (cyanocobalamin) with a dose of up to 1000 mcg. |
243 | $1 | $75 |
| Annual intensive behavioral therapy for cardiovascular disease, 15 minutes A yearly, in-person session focused on intensive behavioral therapy to help manage cardiovascular disease. The session lasts for 15 minutes and is conducted with the patient individually. |
236 | $27 | $45 |
| Annual alcohol misuse screening, 5 to 15 minutes | 233 | $19 | $45 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
231 | $145 | $300 |
| Normal saline infusion, 1000 cc Administration of 1000 cc of normal saline solution into a vein. This procedure involves the intravenous delivery of a sterile saltwater solution. |
228 | $2 | $20 |
| Remote patient monitoring management, 20 min/month Management based on results from remote vital sign monitoring for the first 20 minutes per calendar month. |
216 | $40 | $80 |
| Electrocardiogram, 1-3 leads with physician review A heart rhythm test using one to three electrodes to record electrical activity, with interpretation by a physician. |
208 | $11 | $50 |
| Annual depression screening | 191 | $19 | $45 |
| Ultrasound of arm and leg arteries A non-invasive imaging test that uses sound waves to examine the blood vessels in the arms and legs. It evaluates blood flow and checks for blockages or other vascular issues. |
188 | $106 | $399 |
| Autonomic nervous system function test This test evaluates how well the sympathetic nervous system is functioning. It assesses the automatic control of bodily processes such as heart rate and blood pressure. |
188 | $102 | $280 |
| Autonomic nervous system testing with tilt This test evaluates the function of the sympathetic and parasympathetic nervous systems. It involves monitoring the patient for at least five minutes while they are tilted. |
188 | $122 | $220 |
| Balance and posture test A test to evaluate a patient's balance and posture. This assessment measures stability and body alignment. |
158 | $37 | $150 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
152 | $134 | $260 |
| Pyridoxine HCl injection, 100 mg An injection of pyridoxine hydrochloride, a form of vitamin B6, administered at a dose of 100 mg. |
151 | $7 | $220 |
| Prolonged office E/M service, first 15 minutes This code is used for additional time spent by a physician beyond the maximum required time of a primary office or outpatient evaluation and management service. It is billed in 15-minute increments based on total time spent on the date of the primary service. |
142 | $27 | $75 |
| Expiratory airflow and volume test A test that measures the amount of air you can exhale and the speed at which you can breathe it out. It evaluates lung function by assessing expiratory airflow and volume. |
136 | $21 | $65 |
| Remote patient monitoring device, 30 days Initial setup of devices for remote monitoring of body functions with daily data transmission or alerts. This service covers the first 30 days of the monitoring period. |
127 | $41 | $90 |
| Influenza virus detection test A laboratory test that uses an immunoassay technique to detect the presence of the influenza virus through direct visual observation. |
105 | $16 | $44 |
| Chronic care management, additional 20 min/month This service covers an extra 20 minutes of clinical staff time directed by a healthcare professional for managing two or more chronic conditions each calendar month. |
98 | $39 | $60 |
| Remote vital sign monitoring management, each additional 20 minutes This code covers the time spent by a provider managing patient data from remote vital sign monitoring devices. It applies to each additional 20-minute increment beyond the initial monthly service period. |
83 | $33 | $65 |
| Additional hour of intravenous infusion This code represents each additional hour of intravenous infusion beyond the initial hour for therapy, prevention, or diagnosis. |
58 | $17 | $47 |
| 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. |
51 | $40 | $65 |
| 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. |
50 | $11 | $50 |
| Annual wellness visit, initial visit A yearly appointment to review your health and create a personalized prevention plan. This initial visit focuses on preventive care and health assessment. |
50 | $171 | $340 |
| Strep A rapid test A rapid test to detect Group A Streptococcus bacteria using an immunoassay method with direct visual observation. |
45 | $16 | $35 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
40 | $3 | $20 |
| Ultrasound of head and neck blood flow, bilateral An ultrasound exam that uses sound waves to visualize and assess blood flow in the vessels of both the head and the neck. |
29 | $151 | $436 |
| Echocardiogram, transthoracic An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function. |
28 | $148 | $537 |
| Ultrasound of leg arteries or grafts An imaging test that uses sound waves to create pictures of the blood vessels in the legs or any surgical grafts present. |
28 | $199 | $411 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
27 | $47 | $143 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts A complete ultrasound exam of the aorta, vena cava, groin vessels, or bypass grafts. This imaging test uses sound waves to visualize these blood vessels. |
25 | $142 | $421 |
| Auditory brainstem response test A test that measures the brain's response to sound to determine hearing thresholds. The results are interpreted and reported by a medical professional. |
23 | $94 | $499 |
| Neuropsychological test evaluation, first hour A professional assessment of cognitive and behavioral functioning using standardized tests. This service covers the initial hour of the evaluation process. |
23 | $107 | $150 |
| Psychological test administration, each additional 30 minutes A technician administers psychological or neuropsychological testing. This code covers each additional 30-minute increment of administration time. |
23 | $29 | $150 |
| Home health plan of care re-certification A physician reviews the patient's status and contacts the home health agency to re-certify the plan of care without the patient being present. |
23 | $34 | $71 |
| Awake and drowsy EEG A test that records electrical activity in the brain while the patient is awake and drowsy. |
22 | $317 | $650 |
| Digital analysis of brain wave activity (EEG) This procedure involves the digital analysis of brain wave activity recorded via an electroencephalogram (EEG). It focuses on the technical interpretation of the digital data rather than the initial recording or supervision. |
22 | $228 | $650 |
| Remote physiologic monitoring setup and education Initial setup of remote monitoring equipment and patient education on its use. |
22 | $16 | $30 |
| Visual evoked potential test A test that measures how quickly electrical signals travel from the eye to the brain in response to visual stimuli. |
21 | $55 | $250 |
| Ear wax removal A procedure to remove impacted ear wax from the ear canal. |
18 | $38 | $109 |
| COVID-19 antibody test A blood test that detects antibodies to the coronavirus that causes COVID-19. It provides a qualitative or semi-quantitative result to indicate whether antibodies are present. |
17 | $44 | $50 |
| Psychological test administration, first 30 minutes A technician administers psychological or neuropsychological testing for the first 30 minutes. |
16 | $28 | $95 |
| 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. |
13 | $171 | $313 |
| Home health plan of care certification Certification by a physician or allowed practitioner for Medicare-covered home health services under a home health plan of care. This includes contacting the home health agency and reviewing reports of patient status required by physicians. |
12 | $43 | $93 |
| 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 | $107 | $300 |
| Transitional care management, high complexity Coordination of care for a patient transitioning from a short-term hospital stay or other facility to home or another care setting. This service addresses a high-complexity medical problem. |
11 | $228 | $400 |
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)
Associated products mentioned in payments ›
Most payments (99%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
4.1 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 measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Grewal is a clinical cardiology specialist, with above-average Medicare volume (top 1% in TX), with low-engagement industry engagement in the top 16% of TX peers, with 19 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. 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. The Transparency Score measures 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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