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Internal Medicine Physicians
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Medicare (Case by Case) + 7 Networks
Telehealth
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About Dr. Victor C. Onyejiaka
Background and practice information
Dr. Victor C. Onyejiaka is an internal medicine physician with over 41 years of clinical experience serving patients in the Upper Marlboro, MD area. He completed his medical training at Other and has been in practice since 1985.
Dr. Victor C. Onyejiaka's clinical practice focuses on treating patients with high cholesterol, depression, high blood pressure, and related conditions. In addition to internal medicine, he also specializes in nephrology.
Dr. Victor C. Onyejiaka is in-network with 7 insurance providers, including Aetna, CareFirst BCBS, Cigna, and 4 more. Patients are encouraged to verify coverage with his office before scheduling an appointment.
Additional specialties: Nephrology
At a Glance
Education
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Claim this profilePractice Locations
1 location
600 Largo Rd
Upper Marlboro, MD 20774
(307) 350-5555
Affiliations
Hospital and facility affiliations
Treatment & Experience
Clinical practice and procedure experience for Dr. Victor C. Onyejiaka
Services & Procedures
Dr. Victor C. Onyejiaka's clinical practice encompasses nursing facility care.
Nursing Facility Care
183 servicesDr. Victor C. Onyejiaka provides ongoing medical oversight for patients in nursing facilities, with nursing facility 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.
Treatment Approach
Dr. Victor C. Onyejiaka's treatment approach includes prescribing Atorvastatin Calcium, Mirtazapine, Amlodipine Besylate for his patients. These medications are commonly used for treating high cholesterol, depression, high blood pressure. He prescribing profile reflects experience across a wide range of treatments, addressing multiple aspects of patient care within his specialty.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Victor C. Onyejiaka accepts 50 plans from 7 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Financial Transparency
Industry payment disclosures
Pharmaceutical and medical device companies disclosed $153 in payments to Dr. Victor C. Onyejiaka in 2024, primarily from Bayer Healthcare Pharmaceuticals 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 Victor C. Onyejiaka
Does Dr. Onyejiaka accept Medicare?
Dr. Onyejiaka may accept Medicare assignment on a case-by-case basis. This means Medicare coverage may apply for some services. Patients should contact the office directly to confirm Medicare acceptance for their specific visit.
What insurance does Dr. Onyejiaka accept?
Dr. Onyejiaka is in-network with 7 insurance providers, including Aetna, CareFirst BCBS, Cigna, Medicare, Oxford Health Plans (UHC), and 2 more. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Onyejiaka's office before scheduling.
Does Dr. Onyejiaka offer telehealth or virtual appointments?
Dr. Onyejiaka does not currently list telehealth services. For virtual care options, contact the office directly or consider other internal medicine providers in Upper Marlboro who offer telehealth.
What conditions does Dr. Onyejiaka treat?
As a internal medicine specialist, Dr. Onyejiaka 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. Onyejiaka commonly prescribe?
Based on Medicare prescribing data, Dr. Onyejiaka commonly prescribes medications including Atorvastatin Calcium, Mirtazapine, Amlodipine Besylate. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Onyejiaka during their consultation.
Where did Dr. Onyejiaka go to medical school?
Dr. Onyejiaka completed medical training at Other and has been practicing since 1985, bringing over 41 years of clinical experience.
Where is Dr. Onyejiaka's office located?
Dr. Onyejiaka practices at 600 LARGO RD, Upper Marlboro, MD 20774. You can reach the office by calling (307) 350-5555.
How do I make an appointment with Dr. Onyejiaka?
To schedule an appointment with Dr. Onyejiaka, call the office at (307) 350-5555. 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