Peter A Merkel, MD, MPH
Rheumatology Internal Medicine
Peter A Merkel is a Rheumatology Internal Medicine specialist based in Radnor, PA with over 38 years of clinical experience. Offers virtual telehealth visits.
Peter a Merkel, MD, MPH has practiced internal medicine for 38+ years, working in group practice. A Yale University School of Medicine graduate since 1988, he brings 38+ years of experience. CMS Medicare data shows his patients commonly have high cholesterol, hypertension, and arthritis.
At a glance
- Uses generic medications more than 26% of reporting doctors in Pennsylvania
- Virtual visits available — no app or travel required
Older · 5223dNPPES updated 2012-02-03 · verify NPI on CMS · Verify license at Pennsylvania State Board of Medicine
Contact & Location
Practice Location
250 King of Prussia, Radnor, PA 19087-5220
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
US avg: 70.4%↓ Fewer patients than average (-3%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-10%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+9%) — a focus area for this doctor
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+27%) — 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 (+3%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-12%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
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 · 1988
Yale University School of Medicine
38 years in practice
Senior practitioner
Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.
Taxonomy: 207RR0500X
Education & Training
Yale University School of Medicine (Class of 1988)
Virtual Internal Medicine Care With Peter a Merkel
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Peter a Merkel for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Radnor required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Peter a Merkel
Dr. Merkel is listed as active in the NPI registry with telehealth listed in Radnor, PA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (610) 902-5700.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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