Marissa Dembek, PA-C, CAQ-PSYCH
Marissa Dembek is a Medical Physician Assistant based in Orange, CA with over 4 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Marissa Dembek, PA-C, CAQ-PSYCH has been part of the Orange medical community since 2022 in group practice. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and anxiety.
At a glance
- Uses generic medications more than 41% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 236dNPPES updated 2025-09-30 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
302 W La Veta Ave Ste 202, Orange, CA 92866-2607
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better86.2%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+3.4 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
26
Unique beneficiaries
Boutique practicePrescription Recipients
83
Patients prescribed
Prescriptions Written
543
Total claims
Total Medicare drug cost: $78k
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Anxiety Disorders.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+41%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+41%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+9%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+12%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$5.8k received from industry
226 transactions reported in 2024 ·High tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Marissa Dembek's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Sep 29, 2025
Self-reported via NPPES
4 years in practice
Early-career
Definition to come...
Taxonomy: 363AM0700X
Mailing address
19782 Macarthur Blvd Ste 300, Irvine, CA 92612-2417
Differs from practice location
Virtual Medical Care With Marissa Dembek
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Marissa Dembek for blood pressure monitoring, cholesterol management, anxiety counseling — no travel to Orange required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Marissa Dembek
NPI records show Dr. Dembek as active with telehealth listed in Orange, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (714) 545-5550.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Marissa Dembek
Practice Location
302 W La Veta Ave Ste 202, Orange, CA 92866-2607
Mailing Address
19782 Macarthur Blvd Ste 300, Irvine, CA 92612-2417
This is a provider directory. Contact the office directly to schedule appointments.
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