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Internal Medicine Physicians
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Medicare + 1 Network
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About Dr. Monica C. Abreu Diaz
Background and practice information
Dr. Monica C. Abreu Diaz is an internal medicine physician with over 7 years of clinical experience serving patients in the Los Angeles, CA area. She completed her medical training at University Of Puerto Rico School Of Medicine and has been in practice since 2019. She currently practices at The Los Angeles Free Clinic.
Dr. Monica C. Abreu Diaz's clinical practice focuses on treating patients with asthma and allergic rhinitis.
Dr. Monica C. Abreu Diaz has received a strong quality rating of 86.1 out of 100 from Medicare's quality assessment program, reflecting a commitment to evidence-based care. Dr. Monica C. Abreu Diaz is in-network with 1 insurance provider, including Medicare. Patients are encouraged to verify coverage with her office before scheduling an appointment.
At a Glance
Education
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Claim this profilePractice Locations
1 location
The Los Angeles Free Clinic
Primary5205 Melrose Ave
Los Angeles, CA 90038
(323) 653-1990
Affiliations
Hospital and facility affiliations
Treatment & Experience
Clinical practice and procedure experience for Dr. Monica C. Abreu Diaz
Services & Procedures
Dr. Monica C. Abreu Diaz's clinical practice encompasses office visits.
Office Visits
90 servicesDr. Monica C. Abreu Diaz provides patient consultations ranging from routine follow-ups to comprehensive evaluations, with follow-up visit being a key part of her practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 89% below the billed amount.
Treatment Approach
Dr. Monica C. Abreu Diaz's treatment approach includes prescribing Fluticasone Propionate for her patients. These medications are commonly used for treating asthma and allergic rhinitis.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Monica C. Abreu Diaz accepts 1 plan from 1 insurer, including Medicare.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Safety
CMS quality performance and patient safety measures
High Performing
CMS Quality Score · Out of 100
Dr. Abreu Diaz received a quality score of 86.1 out of 100 from the Centers for Medicare & Medicaid Services (CMS), which evaluates internal medicine physicians on clinical quality, patient safety, and use of health information technology. A score above 75 is considered high-performing by CMS standards. This score reflects Dr. Abreu Diaz's commitment to maintaining strong standards of care for patients in Los Angeles, CA.
Clinical Quality
82.9/100Measures the quality of care provided based on clinical outcomes and patient safety
Cost Efficiency
66.7/100Evaluates how efficiently healthcare resources are used while maintaining quality
Health IT Adoption
100.0/100Measures adoption of electronic health records and patient access to health information
Care Improvement
40.0/40Reflects participation in activities that improve clinical practice and patient engagement
Source: CMS Merit-based Incentive Payment System
Patient Reviews
Reviews and ratings from patients
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About Internal Medicine
Specialty overview and common conditions
An internal medicine physician (internist) is a medical doctor who specializes in the prevention, diagnosis, and treatment of diseases in adults. Internists are trained to manage complex, chronic, and multi-system illnesses, often serving as primary care doctors for adults or as consultants to other...
Common conditions treated by internal medicine specialists:
- Type 2 Diabetes Mellitus
- Hypertension (High Blood Pressure)
- Hyperlipidemia (High Cholesterol)
- Coronary Artery Disease (Heart Disease)
Frequently Asked Questions
Common questions about Monica C. Abreu Diaz
Does Dr. Abreu Diaz accept Medicare?
Yes, Dr. Abreu Diaz accepts Medicare assignment. Patients with Medicare coverage can see Dr. Abreu Diaz and typically pay less out of pocket when using a provider who accepts Medicare assignment.
What insurance does Dr. Abreu Diaz accept?
Dr. Abreu Diaz is in-network with 1 insurance provider, including Medicare. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Abreu Diaz's office before scheduling.
Does Dr. Abreu Diaz offer telehealth or virtual appointments?
Dr. Abreu Diaz does not currently list telehealth services. For virtual care options, contact the office directly or consider other internal medicine providers in Los Angeles who offer telehealth.
What conditions does Dr. Abreu Diaz treat?
As a internal medicine specialist, Dr. Abreu Diaz commonly treats conditions including type 2 diabetes mellitus, hypertension (high blood pressure), hyperlipidemia (high cholesterol), coronary artery disease (heart disease), chronic obstructive pulmonary disease (copd), and other related health concerns. Contact the office to discuss your specific healthcare needs.
What medications does Dr. Abreu Diaz commonly prescribe?
Based on Medicare prescribing data, Dr. Abreu Diaz commonly prescribes medications including Fluticasone Propionate. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Abreu Diaz during their consultation.
What is Dr. Abreu Diaz's quality rating?
Dr. Abreu Diaz has received a strong quality score of 86.1 out of 100 from the Centers for Medicare & Medicaid Services (CMS) through the Merit-based Incentive Payment System (MIPS). This score reflects performance across quality measures, promoting interoperability, improvement activities, and cost efficiency.
Where did Dr. Abreu Diaz go to medical school?
Dr. Abreu Diaz completed medical training at University Of Puerto Rico School Of Medicine and has been practicing since 2019, bringing over 7 years of clinical experience.
Where is Dr. Abreu Diaz's office located?
Dr. Abreu Diaz practices at 5205 MELROSE AVE, Los Angeles, CA 90038 at THE LOS ANGELES FREE CLINIC. You can reach the office by calling (323) 653-1990.
How do I make an appointment with Dr. Abreu Diaz?
To schedule an appointment with Dr. Abreu Diaz, call the office at (323) 653-1990. New patients should have their insurance information and medical records ready when calling.
Data source: CMS National Provider Registry ·
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Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Learn more about our editorial standards