John E. Lahaniatis, M.D.
John E. Lahaniatis is a Radiation Oncology Radiology specialist based in Dover, DE with over 31 years of clinical experience. Offers virtual telehealth visits.
John E. Lahaniatis, M.D. has been part of the Dover medical community since 2005 in group practice. Trained at Hahnemann University College of Medicine (class of 1995), he has been practicing for over 31 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data).
At a glance
- Uses generic medications more than 83% of reporting doctors in Delaware
- Virtual visits available — no app or travel required
Older · 1390dNPPES updated 2022-08-02 · verify NPI on CMS · Verify license at Delaware Board of Medical Licensure & Discipline
Contact & Location
Practice Location
640 S State St Fl 1, Dover, DE 19901-3530
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 Cancer.
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
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+54%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-8%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+4%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+5%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+2%) — a focus area for this doctor
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+10%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1995
Hahnemann University College of Medicine
Board certified · Jul 20, 2022
Self-reported via NPPES
31 years in practice
Senior practitioner
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Taxonomy: 2085R0001X
Education & Training
Hahnemann University College of Medicine (Class of 1995)
Mailing address
640 S State Street Mail Code 3055, Dover, DE 19901-3530
Differs from practice location
Virtual Radiation Oncology Care With John E. Lahaniatis
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John E. Lahaniatis for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Dover required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about John E. Lahaniatis
NPI records show Dr. Lahaniatis as active with telehealth listed in Dover, DE. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (302) 674-4401.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact John E. Lahaniatis
Practice Location
640 S State St Fl 1, Dover, DE 19901-3530
Mailing Address
640 S State Street Mail Code 3055, Dover, DE 19901-3530
This is a provider directory. Contact the office directly to schedule appointments.
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