Monica El-Masry, M.D.
Monica El-Masry is a Hematology & Oncology specialist based in Simi Valley, CA with over 17 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Monica El-Masry, M.D. has practiced internal medicine for 17+ years, working in independent practice. Trained at University of California, Geffen School of Medicine (class of 2009), she has been practicing for over 17 years. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and arthritis.
Older · 206dNPPES updated 2025-10-30 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
1157 Swallow Ln, Simi Valley, CA 93065-3155
How Does This Doctor Compare?
Medicare Patients
102
Unique beneficiaries
Standard volumePrescription Recipients
34
Patients prescribed
Prescriptions Written
139
Total claims
Total Medicare drug cost: $269k
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 Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Joint inflammation causing pain, swelling, and stiffness
Diseases involving abnormal cell growth with potential to spread to other body parts
A condition where the body cannot properly regulate blood sugar levels
Weakened bones that are more prone to fractures, common in older adults
Excessive worry or fear that interferes with daily life
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$137 received from industry
2 transactions reported in 2018 ·Low 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 2018, attributed to Monica El-Masry's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2009
David Geffen School of Medicine at Ucla
Board certified · Oct 29, 2025
Self-reported via NPPES
17 years in practice
Experienced
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Education & Training
University of California, Geffen School of Medicine (Class of 2009)
Mailing address
Po Box 512185, Los Angeles, CA 90051-0185
Differs from practice location
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 191316
View hospital on Medicare Care CompareVirtual Hematology & Oncology Care With Monica El-Masry
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Monica El-Masry for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Simi Valley 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 Monica El-Masry
Dr. El-Masry is listed as active in the NPI registry with telehealth listed in Simi Valley, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (805) 527-2770.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Monica El-Masry
Practice Location
1157 Swallow Ln, Simi Valley, CA 93065-3155
Mailing Address
Po Box 512185, Los Angeles, CA 90051-0185
This is a provider directory. Contact the office directly to schedule appointments.
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