Medicare Enrolled
Dr. Rajinder Marok, M.D.
Internal Medicine · Fresno, CA
Practice pattern: Mixed Practice
— Diverse clinical practice across multiple procedure types
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Marok from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Marok
Dr. Rajinder Marok is an internal medicine specialist in Fresno, CA, with 17 years of NPI registration. Based on federal Medicare data, Dr. Marok performed 6,357 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Marok received a total of $31,291 from 50 pharmaceutical and/or device companies across 584 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. Marok 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.
✓ 17 years of NPI registration
▲ Top 4% volume in CA
$31,291 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗6,357
Medicare services
Top 4% in CA for internal medicine
Not available
Unique patients (not deduplicated)
$28
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
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 |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) A contrast agent containing 300-399 mg/ml of iodine used to enhance imaging studies. It is administered per milliliter to improve the visibility of internal structures. |
3,970 | $0 | $3 |
| 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. |
501 | $90 | $160 |
| 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. |
257 | $10 | $80 |
| Regadenoson injection (Lexiscan) for heart stress test An injection of regadenoson, a medication used to stress the heart during diagnostic testing. |
184 | $42 | $75 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
171 | $94 | $160 |
| Echocardiogram, transthoracic An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function. |
148 | $121 | $764 |
| Technetium Tc-99m sestamibi diagnostic injection A diagnostic injection of technetium Tc-99m sestamibi used for imaging studies. |
108 | $99 | $210 |
| Remote monitoring of implantable heart rhythm device Evaluation of data transmitted remotely from an implantable cardiovascular monitor, such as a loop recorder or subcutaneous cardiac rhythm monitor, over a period up to 30 days. |
85 | $48 | $200 |
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
73 | $10 | $60 |
| Nuclear stress test of heart muscle A nuclear medicine imaging test that evaluates blood flow to the heart muscle at rest and during stress using a special camera. |
66 | $279 | $912 |
| Remote monitoring of implantable heart device, up to 30 days Remote evaluation of an implanted heart or blood vessel monitoring system over a period of up to 30 days. |
63 | $18 | $100 |
| Exercise or drug-induced heart stress test with ECG A heart stress test performed using exercise or medication while monitoring the electrocardiogram under physician supervision and review. |
56 | $46 | $445 |
| Heart muscle strain imaging | 50 | $28 | $65 |
| Echocardiogram with color Doppler An ultrasound of the heart that uses color imaging to visualize blood flow, measure flow rate, and assess valve function. |
44 | $9 | $114 |
| Follow-up heart ultrasound An ultrasound of the heart performed to monitor or reassess a previously identified condition or treatment progress. |
42 | $48 | $154 |
| Remote pacemaker/defibrillator monitoring, 90 days Remote evaluation of a pacemaker or implantable defibrillator system within 90 days of the last check. |
41 | $15 | $73 |
| Remote pacemaker monitoring, 90 days Remote assessment of a pacemaker system, including single, dual, multiple lead, or leadless devices, performed up to 90 days apart. |
36 | $21 | $75 |
| 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. |
36 | $135 | $195 |
| Follow-up ultrasound of heart blood flow, valves and chambers An ultrasound exam that follows up on the heart's blood flow, valves, and chambers. It uses sound waves to create images of the heart's structure and function. |
35 | $12 | $96 |
| 3D radiographic procedure A radiographic imaging technique that creates three-dimensional representations of internal structures. |
33 | $18 | $285 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
33 | $137 | $281 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
32 | $62 | $115 |
| CT scan of heart with contrast A computed tomography scan that uses contrast dye to create detailed images of the heart's structure. |
25 | $109 | $950 |
| EKG interpretation and report A standard electrocardiogram test that records the heart's electrical activity using at least 12 leads. The service includes a professional interpretation of the results and a written report. |
22 | $6 | $35 |
| 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. |
21 | $125 | $246 |
| Continuous external EKG monitoring, 8-15 days This procedure involves recording heart rhythm continuously using an external EKG device over a period of 8 to 15 days. |
20 | $8 | $35 |
| External EKG monitoring, 8-15 days Continuous external electrocardiogram recording and review over a period of 8 to 15 days to monitor heart rhythm. |
20 | $19 | $45 |
| Hospital discharge management, 30+ min This service covers the care provided by a physician or qualified healthcare professional on the day a patient is discharged from the hospital. It requires more than 30 minutes of total time spent on the day of discharge. |
20 | $90 | $200 |
| Repair of left upper heart chamber with implant A surgical procedure to repair the left upper chamber of the heart using an implanted device, with review by a radiologist. |
19 | $617 | $1,500 |
| Cardiac catheterization | 18 | $179 | $1,200 |
| 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. |
17 | $128 | $500 |
| Ultrasound of heart blood vessel or graft An ultrasound exam to evaluate blood flow in a heart blood vessel or graft, including a radiologist's review of the initial vessel. |
16 | $74 | $328 |
| Transesophageal echocardiogram An ultrasound of the heart performed using a probe inserted into the esophagus to obtain detailed images of heart structures and function. |
16 | $83 | $200 |
| Echocardiogram, transthoracic An ultrasound test that uses sound waves to create images of the heart's blood flow, valves, and chambers. |
16 | $14 | $91 |
| 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. |
15 | $65 | $100 |
| Pacemaker programming, dual lead system Adjustment and configuration of a dual-lead pacemaker device to ensure proper operation and settings. |
13 | $60 | $115 |
| Additional heart vessel ultrasound evaluation An additional ultrasound assessment of a specific heart blood vessel or graft, including radiologist review. |
12 | $59 | $185 |
| Hospital discharge day management, 30 minutes or less This service covers the final day of hospital care when the patient is being discharged. It includes coordination of care and instructions for the patient within a time frame of 30 minutes or less. |
12 | $63 | $135 |
| Exercise or drug-induced heart stress test with ECG A heart stress test performed using exercise or medication while monitoring the electrocardiogram, with physician review of the results. |
11 | $11 | $85 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
4.8% high complexity
72.6% medium
22.5% routine
Industry Payment Transparency
Open Payments through 2024 ↗$31,291
Total received (2018-2024)
Avg $4,470/year across 7 years
Top 4% in CA for internal medicine
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
50
Companies
584
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →
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.
2024
$3,191
2023
$3,158
2022
$13,884
2021
$1,860
2020
$912
2019
$5,410
2018
$2,876
Payments by company (2024)
Boston Scientific Corporation
$2,073
ShockWave Medical, Inc
$403
E.R. Squibb & Sons, L.L.C.
$184
Novartis Pharmaceuticals Corporation
$71
Lexicon Pharmaceuticals, Inc.
$53
Boehringer Ingelheim Pharmaceuticals, Inc.
$49
Kiniksa Pharmaceuticals International, plc
$45
Novo Nordisk Inc
$37
Chiesi USA, Inc.
$29
Alnylam Pharmaceuticals Inc.
$27
Edwards Lifesciences Corporation
$24
AstraZeneca Pharmaceuticals LP
$24
Amgen Inc.
$23
ABIOMED
$23
Abbott Laboratories
$21
Janssen Pharmaceuticals, Inc
$20
PFIZER INC.
$19
Esperion Therapeutics, Inc.
$19
Impulse Dynamics (USA) Inc.
$17
Bayer Healthcare Pharmaceuticals Inc.
$17
VivaQuant Inc, dba Rhythm Express
$14
Top 3 companies account for 83.3% of 2024 payments
All-time payments by company (2018-2024) ›
Boston Scientific Corporation
$16,669
Abbott Laboratories
$2,852
ABIOMED
$1,128
E.R. Squibb & Sons, L.L.C.
$998
Amgen Inc.
$884
Novartis Pharmaceuticals Corporation
$867
AstraZeneca Pharmaceuticals LP
$794
ShockWave Medical, Inc
$764
Janssen Pharmaceuticals, Inc
$614
Boehringer Ingelheim Pharmaceuticals, Inc.
$600
Amarin Pharma Inc.
$487
Shockwave Medical, Inc
$439
Medtronic, Inc.
$369
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)
$326
Medtronic Vascular, Inc.
$324
BOSTON SCIENTIFIC CORPORATION
$313
Novo Nordisk Inc
$252
Chiesi USA, Inc.
$242
Bayer Healthcare Pharmaceuticals Inc.
$209
SANOFI-AVENTIS U.S. LLC
$169
Edwards Lifesciences Corporation
$159
Bayer HealthCare Pharmaceuticals Inc.
$158
ARALEZ PHARMACEUTICALS US INC.
$125
Regeneron Healthcare Solutions, Inc.
$123
Merck Sharp & Dohme LLC
$119
Merck Sharp & Dohme Corporation
$112
HeartFlow, Inc.
$107
PFIZER INC.
$104
Lundbeck LLC
$92
Actelion Pharmaceuticals US, Inc.
$91
Daiichi Sankyo Inc.
$91
Kiniksa Pharmaceuticals, Ltd.
$74
Esperion Therapeutics, Inc.
$70
Cardiovascular Systems Inc.
$66
Alnylam Pharmaceuticals Inc.
$63
Lexicon Pharmaceuticals, Inc.
$53
Bard Peripheral Vascular, Inc.
$47
Impulse Dynamics (USA) Inc.
$46
Kiniksa Pharmaceuticals International, plc
$45
AtriCure, Inc.
$39
Kowa Pharmaceuticals America, Inc.
$38
Bardy Diagnostics, Inc.
$30
CMP Pharma, Inc.
$23
iRhythm Technologies, Inc.
$21
Aziyo Biologics, Inc.
$20
CHIESI USA, INC.
$19
Teleflex LLC
$17
Baxter Healthcare
$16
VivaQuant Inc, dba Rhythm Express
$14
Gilead Sciences, Inc.
$11
Top 3 companies account for 66.0% of all-time payments
Associated products mentioned in payments ›
AMPLATZER AMULET · AMPLATZER Occluders · ANDEXXA · AVVIGO Guidance System · Arcalyst · BRILINTA · CAMZYOS · CARDIOMEMS · CHANTIX · CLEVIPREX · CLEVIPREX 25MG/50ML · COREVALVE EVOLUT R · CROSSBOSS · CardioMEMS HF System · Carnation Ambulatory Monitor · Confirm Rx · CoreValve Evolut · Corlanor · Coronary Orbital Atherectomy System · DIAMONDBACK CORONARY · Diamondback Coronary · ECM Patch · ELIQUIS · ENTRESTO · EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX · FARXIGA · FFRct · GENERAL ATHERECTOMY · GENERAL STENTS · GENERAL STRUCTURAL HEART · GENERAL THERAPIES · GENERAL - STRUCTURAL HEART · GENERAL THERAPIES · HeartMate 3 Left Ventricular Dev · Hillrom - Cardiac Ambulatory Monitor · INJECTAFER · Impella · JARDIANCE · KENGREAL · Kerendia · LEQVIO · LOKELMA · LifeVest · Livalo · MANTA · MULTAQ · Mitra Clip system · NEXLETOL · NORTHERA · Norliqva · ONPATTRO · OPSUMIT · OPSUMIT MACITENTAN · OPTIMIZER · OPTIS · Optimizer · Ozempic · PASCAL · PRADAXA · PRALUENT · PRALUENT ALIROCUMAB INJECTION · Pouch · Repatha · Resolute · Rhythm Express · Rotarex · Rybelsus · SAPIEN 3 Ultra RESILIA · SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER · Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter · TELESCOPE · ULTREON · UPTRAVI · VALITUDE · VERQUVO · VYNDAQEL · Vascepa · Vascular Lithotripsy · WATCHMAN · WATCHMAN Access System · WATCHMAN FLX · Wolverine Coronary Cutting Balloon · XARELTO · ZIO XT Patch · ZONTIVITY
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Geographic Context
Internal medicine physicians in nearby ZIP areas
493
County median income
$71,434
Nearest hospital to ZIP centroid (approximate)
SAINT AGNES MEDICAL CENTER
0.0 mi
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. Marok is a mixed practice specialist, with above-average Medicare volume (top 4% in CA), with 17 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. Marok experienced with contrast dye for imaging (iodine-based)?
Based on Medicare claims data, Dr. Marok performed 3,970 contrast dye for imaging (iodine-based) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Marok receive payments from pharmaceutical companies?
Yes. Dr. Marok received a total of $31,291 from 50 companies across 584 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Marok's costs compare to other internal medicine physicians in Fresno?
Dr. Marok's average Medicare payment per service is $28. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Marok) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
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About this page
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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