Ronald P Markos, MD
Gastroenterology Internal Medicine
Ronald P Markos is a Gastroenterology Internal Medicine specialist based in Sellersville, PA with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Ronald P Markos, MD has practiced internal medicine for 38+ years, working in group practice. Trained at Hahnemann University College of Medicine (class of 1988), he has been practicing for over 38 years. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).
Older · 5139dNPPES updated 2012-04-27 · verify NPI on CMS · Verify license at Pennsylvania State Board of Medicine
Contact & Location
Practice Location
817 Lawn Ave, Sellersville, PA 18960-1549
How Does This Doctor Compare?
Medicare Patients
1,169
Unique beneficiaries
High volumePrescription Recipients
498
Patients prescribed
Prescriptions Written
2,040
Total claims
Total Medicare drug cost: $652k
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 High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
High blood pressure — a leading risk factor for heart disease and stroke
Joint inflammation causing pain, swelling, and stiffness
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
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.
$714 received from industry
38 transactions reported in 2024 ·Moderate 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 2024, attributed to Ronald P Markos's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
Hahnemann University College of Medicine
38 years in practice
Senior practitioner
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
Hahnemann University College of Medicine (Class of 1988)
Virtual Internal Medicine Care With Ronald P Markos
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Ronald P Markos for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Sellersville 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 Ronald P Markos
NPI records show Dr. Markos as active with telehealth listed in Sellersville, PA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (215) 257-5071.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Ronald P Markos
Practice Location
817 Lawn Ave, Sellersville, PA 18960-1549
Mailing Address
817 Lawn Ave, Sellersville, PA 18960-1549
This is a provider directory. Contact the office directly to schedule appointments.
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