Medicare Enrolled
Dr. Maxwell Jen, MD
Emergency Medicine · Tustin, CA
Practice pattern: Mixed Practice
— Diverse clinical practice across multiple procedure types
Speaking/Promotional
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. Jen 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. Jen
Dr. Maxwell Jen is an emergency medicine specialist in Tustin, CA, with 13 years of NPI registration. Based on federal Medicare data, Dr. Jen performed 10,288 Medicare services across 5,535 unique beneficiaries.
Between the years covered by Open Payments, Dr. Jen received a total of $2,858 from 5 pharmaceutical and/or device companies across 8 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in emergency medicine. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Jen 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.
✓ 13 years in practice
▲ Top 0% volume in CA
$2,858 industry payments
Medicare Practice Summary
Medicare Utilization ↗10,288
Medicare services
Top 0% in CA for emergency medicine
5,535
Unique beneficiaries
$84
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
~791 Medicare services per year of practice
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 |
|---|---|---|---|
| Home health agency supervision, complex multidisciplinary care Supervision by a physician or allowed practitioner for a patient receiving Medicare-covered services from a participating home health agency. This involves complex and multidisciplinary care modalities, with the patient not present during the supervision. |
2,569 | $87 | $158 |
| Prolonged home visit care, each 15 minutes This code covers additional time spent by a physician or qualified professional providing care at a patient's home beyond the standard duration of the primary visit. It is billed in 15-minute increments for the extra time dedicated to the patient's evaluation and management. |
1,683 | $26 | $50 |
| Home visit, established patient, high complexity A home visit for an established patient involving high-level medical decision making, lasting at least 60 minutes. |
1,438 | $156 | $275 |
| 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. |
1,200 | $74 | $135 |
| 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. |
621 | $44 | $95 |
| 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. |
575 | $35 | $76 |
| Smoking cessation counseling, more than 10 minutes Intensive counseling session focused on helping patients quit smoking and tobacco use, lasting more than 10 minutes. |
246 | $29 | $60 |
| Home visit, new patient, high complexity A home visit for a new patient involving high-level medical decision making, lasting at least 75 minutes. |
172 | $169 | $322 |
| 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. |
161 | $11 | $50 |
| Autonomic nervous system testing with heart rate response to deep breathing This test evaluates the function of the autonomic nervous system by measuring how the heart rate changes in response to deep breathing. |
154 | $78 | $125 |
| Home visit, established patient, moderate complexity A home visit for an established patient involving moderate medical decision making. The visit requires at least 40 minutes of time if time is used to determine the level of service. |
151 | $104 | $192 |
| 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. |
147 | $73 | $135 |
| 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. |
144 | $112 | $201 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
141 | $141 | $195 |
| 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. |
116 | $180 | $253 |
| Emergency department visit, moderate complexity An emergency department visit for an established or new patient involving a moderate level of medical decision making. |
73 | $93 | $518 |
| Home visit, new patient, moderate complexity A home visit for a new patient involving moderate medical decision making, lasting at least 60 minutes. |
66 | $111 | $280 |
| 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. |
64 | $222 | $450 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in the arm or leg. The test uses sound waves to check blood flow and may include compression and other maneuvers. |
64 | $138 | $350 |
| Emergency department visit, high complexity An emergency department visit involving a high level of medical decision making. |
63 | $147 | $754 |
| 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. |
57 | $154 | $255 |
| New patient office visit, complex (60-74 min) | 48 | $181 | $320 |
| Complete ultrasound of abdomen A diagnostic imaging test that uses sound waves to create detailed pictures of the organs and structures within the abdomen. |
43 | $107 | $220 |
| 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. |
40 | $158 | $335 |
| Echocardiogram, transthoracic An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function. |
39 | $169 | $365 |
| 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. |
33 | $175 | $360 |
| Complete ultrasound of retroperitoneum An ultrasound examination of the structures located behind the abdominal cavity. |
29 | $100 | $200 |
| Critical care, first 30-74 min Emergency medical care for a critically ill or injured patient lasting between 30 and 74 minutes. This service involves direct patient care and medical decision making to stabilize the patient. |
29 | $184 | $963 |
| Assessment of and care planning for patient with impaired thought processing, typically 60 minutes | 19 | $236 | $400 |
| 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. |
17 | $141 | $255 |
| 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. |
17 | $110 | $180 |
| Ultrasound scan of chest An imaging test that uses sound waves to create pictures of the structures inside the chest. |
16 | $23 | $126 |
| Transrectal ultrasound of the pelvis An ultrasound imaging procedure where a probe is inserted into the rectum to visualize pelvic structures. |
15 | $126 | $280 |
| Limited abdominal ultrasound A focused ultrasound examination of the abdomen to evaluate specific organs or areas. This procedure uses sound waves to create images of internal structures. |
13 | $24 | $129 |
| Emergency department visit, low level of medical decision making An emergency department visit for a patient requiring a low level of medical decision making. |
13 | $61 | $305 |
| Follow-up heart ultrasound An ultrasound of the heart performed to monitor or reassess a previously identified condition or treatment progress. |
12 | $21 | $118 |
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. A higher procedure volume generally indicates more experience with that procedure.
0.8% high complexity
4.2% medium
95.0% routine
Industry Payment Transparency
Open Payments through 2024 ↗$2,858
Total received (2021-2024)
Avg $715/year across 4 years
Top 6% in CA for emergency medicine
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
5
Companies
8
Individual payments
All payments are legal and publicly reported · Not evidence of wrongdoing · How to interpret →
Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Speaking / Promotional
Speaker programs, honoraria, and industry-sponsored educational events
$2,500 (87.5%)
Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$358 (12.5%)
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$19
2023
$17
2022
$131
2021
$2,692
Payments by company (2024)
Consulting
Speaking
Meals & Travel
Research
Galderma Laboratories, L.P.
$19
Top 3 companies account for 100.0% of 2024 payments
All-time payments by company (2021-2024) ›
Lumenis BE inc
$2,500
Galderma Laboratories, L.P.
$193
Merz North America, Inc.
$131
MERZ NORTH AMERICA, INC.
$19
CooperSurgical, Inc.
$15
Top 3 companies account for 98.8% of all-time payments
Associated products mentioned in payments ›
DYSPORT · M22 · Paragard · Xeomin
Should you be concerned? Payments from pharmaceutical and device companies are legal and common — 57% of U.S. physicians receive at least one. They often reflect legitimate consulting, research, or education. 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 →
The majority of payments (88%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in emergency medicine and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 6% for emergency medicine in CA.
Geographic Context
Emergency medicines within 10 mi
746
Per 100K population
23.6
County median income
$113,702
Nearest hospital
FOOTHILL REGIONAL MEDICAL CENTER
0.0 mi
0.0 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. Jen is a mixed practice specialist, with above-average Medicare volume (top 0% in CA), with speaking/promotional industry engagement in the top 6% of CA peers.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Jen experienced with home health agency supervision, complex multidisciplinary care?
Based on Medicare claims data, Dr. Jen performed 2,569 home health agency supervision, complex multidisciplinary care services. Research suggests that higher procedure volume is often associated with better outcomes, particularly for complex procedures. Note that Medicare data only captures patients aged 65 and older, so the total practice volume across all patients is likely higher.
Does Dr. Jen receive payments from pharmaceutical companies?
Yes. Dr. Jen received a total of $2,858 from 5 companies across 8 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common among physicians — 57% of all U.S. physicians receive at least one industry payment. 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. Jen's costs compare to other emergency medicines in Tustin?
Dr. Jen's average Medicare payment per service is $84. 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. Jen) 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 a long track record of practice, Medicare participation, and industry disclosure. 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?
Each data source has its own update cycle. Provider registry data (NPPES) is updated weekly. Medicare enrollment (PECOS) is updated monthly. Medicare practice data has a ~2 year lag — the most recent available is typically 2 years prior. Industry payment data (Open Payments) is published annually, usually in June, covering the prior calendar year. We display the data date prominently on each section so you always know how current it is. See our data freshness policy →
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About this page
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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