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Medicare + 4 Networks
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About Dr. Demetrios J. Giokaris
Background and practice information
Dr. Demetrios J. Giokaris is an internal medicine physician with over 46 years of clinical experience serving patients in the Chicago, IL area. He completed his medical training at University Central Del Caribe Escuela De Medicina and has been in practice since 1980.
Dr. Demetrios J. Giokaris's clinical practice focuses on treating patients with type 2 diabetes, hypothyroidism (underactive thyroid), acid reflux and stomach ulcers, and related conditions.
Dr. Demetrios J. Giokaris is in-network with 4 insurance providers, including Medicare, Oxford Health Plans (UHC), UMR, and 1 more. Patients are encouraged to verify coverage with his office before scheduling an appointment.
At a Glance
Education
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Claim this profilePractice Locations
1 location
4921 N Western Ave
Chicago, IL 60625
Affiliations
Hospital and facility affiliations
Treatment & Experience
Clinical practice and procedure experience for Dr. Demetrios J. Giokaris
Services & Procedures
Dr. Demetrios J. Giokaris's clinical practice encompasses office visits, preventive care, diagnostic testing, and 3 other areas of care. Based on Medicare utilization data, Dr. Demetrios J. Giokaris has provided a substantial volume of services, reflecting an active and established practice in internal medicine.
Office Visits
1,010 servicesDr. Demetrios J. Giokaris provides patient consultations ranging from routine follow-ups to comprehensive evaluations, with follow-up visit being a key part of his practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 57% below the billed amount.
Preventive Care
16 servicesDr. Demetrios J. Giokaris delivers preventive health services including wellness visits, vaccinations, and health screenings, with annual wellness visit being a key part of his practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 46% below the billed amount.
Diagnostic Testing
513 servicesDr. Demetrios J. Giokaris orders and interprets diagnostic tests to support clinical decision-making, with glucose test being a key part of his practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 68% below the billed amount.
Rehabilitation
3,898 servicesDr. Demetrios J. Giokaris delivers rehabilitation services to restore function, strength, and mobility, including manual therapy, physical therapy evaluation, and other related services. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 51% below the billed amount.
Injections & Procedures
60 servicesDr. Demetrios J. Giokaris performs therapeutic injections and minor procedures, with injection being a key part of his practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 71% below the billed amount.
Home & Residential Care
823 servicesDr. Demetrios J. Giokaris provides medical care in patients' homes and residential settings, including home health certification and home visit and home health recertification. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 41% below the billed amount.
Treatment Approach
Dr. Demetrios J. Giokaris's treatment approach includes prescribing Amoxicillin/potassium Clav (Amoxicillin-clavulanate Potass), Metformin Hcl, Levothyroxine Sodium for his patients. These medications are commonly used for treating type 2 diabetes, hypothyroidism (underactive thyroid), acid reflux and stomach ulcers. He prescribing profile reflects experience across a wide range of treatments, addressing multiple aspects of patient care within his specialty. Dr. Demetrios J. Giokaris has treated a significant number of Medicare patients, demonstrating an established practice in this area.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Demetrios J. Giokaris accepts 17 plans from 4 insurers, including UnitedHealthcare, Oxford Health Plans (UHC), UMR.
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
Below Average
CMS Quality Score · Out of 100
Dr. Giokaris received a quality score of 17.4 out of 100 from the Centers for Medicare & Medicaid Services (CMS). CMS evaluates internal medicine physicians through the Merit-based Incentive Payment System (MIPS) across clinical quality, cost efficiency, and care coordination. Patients in Chicago, IL may wish to discuss quality metrics and care approaches directly with the provider.
Clinical Quality
0.0/100Measures the quality of care provided based on clinical outcomes and patient safety
Cost Efficiency
57.9/100Evaluates how efficiently healthcare resources are used while maintaining quality
Care Improvement
0.0/40Reflects participation in activities that improve clinical practice and patient engagement
Source: CMS Merit-based Incentive Payment System
Financial Transparency
Industry payment disclosures
Pharmaceutical and medical device companies disclosed $359 in payments to Dr. Demetrios J. Giokaris in 2024, primarily from Otsuka America Pharmaceutical, Inc. for food and beverage. These disclosures are required by federal law under the Physician Payments Sunshine Act.
Top Paying Companies
Source: CMS Open Payments, 2024.
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 Demetrios J. Giokaris
Does Dr. Giokaris accept Medicare?
Yes, Dr. Giokaris accepts Medicare assignment. Patients with Medicare coverage can see Dr. Giokaris and typically pay less out of pocket when using a provider who accepts Medicare assignment.
What insurance does Dr. Giokaris accept?
Dr. Giokaris is in-network with 4 insurance providers, including Medicare, Oxford Health Plans (UHC), UMR, UnitedHealthcare. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Giokaris's office before scheduling.
Does Dr. Giokaris offer telehealth or virtual appointments?
Dr. Giokaris does not currently list telehealth services. For virtual care options, contact the office directly or consider other internal medicine providers in Chicago who offer telehealth.
What conditions does Dr. Giokaris treat?
As a internal medicine specialist, Dr. Giokaris 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. Giokaris commonly prescribe?
Based on Medicare prescribing data, Dr. Giokaris commonly prescribes medications including Amoxicillin/Potassium Clav, Metformin Hcl, Levothyroxine Sodium. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Giokaris during their consultation.
What is Dr. Giokaris's quality rating?
Dr. Giokaris has received a quality score of 17.4 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. Giokaris go to medical school?
Dr. Giokaris completed medical training at University Central Del Caribe Escuela De Medicina and has been practicing since 1980, bringing over 46 years of clinical experience.
Where is Dr. Giokaris's office located?
Dr. Giokaris practices at 4921 N WESTERN AVE, Chicago, IL 60625. Contact the office for appointment scheduling.
How do I make an appointment with Dr. Giokaris?
To schedule an appointment with Dr. Giokaris, contact the office directly. 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