Expertise in
23
conditions

Dr. Peter A. Merkel

Rheumatology
3400 Civic Center Boulevard, South Pavilion, 1st Floor, 
Philadelphia, PA 
Clinical Trials:Currently Recruiting for 1 Trial
Accepting New Patients
Offers Telehealth
Referral required
Before you request
Expertise in
23
conditions
3400 Civic Center Boulevard, South Pavilion, 1st Floor, 
Philadelphia, PA 

Overview

Peter Merkel is a Rheumatologist practicing medicine in Philadelphia, Pennsylvania.

Dr. Merkel is highly rated in 23 conditions, according to our data. His clinical expertise encompasses Granulomatosis with Polyangiitis, Vasculitis, Microscopic Polyangiitis, Takayasu Arteritis, and Tissue Biopsy.

Dr. Merkel is board certified in Rheumatology, 1994. He is actively involved in clinical research, co-authoring 380 peer reviewed articles and participating in 9 clinical trials. Dr. Merkel is currently accepting new patients.

Specialties

Rheumatology

Licenses

Internal Medicine in MA

Board Certifications

Rheumatology, 1994

Hospital Affiliations

Hospital Of Univ Of Pennsylvania
Penn Presbyterian Medical Center

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Clover Health
  • INSURANCE PLAN
  • MEDICARE MAPD
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
Geisinger
  • HMO
  • POS
  • PPO
Health Partners Plans
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Oscar
  • EPO
  • HMO
  • PPO
Provider Partners Health Plan
  • MEDICARE SNP
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
View 11 Less Insurance Carriers -

Locations

Penn Rheumatology Perelman
3400 Civic Center Boulevard, South Pavilion, 1st Floor, Philadelphia, PA 19104

Additional Areas of Focus

Dr. Merkel has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Granulomatosis with Polyangiitis
Scleroderma
Polymyalgia Rheumatica
Vasculitis
Temporal Arteritis
Takayasu Arteritis
Relapsing Polychondritis

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

8 Clinical Trials

Longitudinal Protocol for Eosinophilic Granulomatosis With Polyangiitis
Longitudinal Protocol for Eosinophilic Granulomatosis With Polyangiitis
Enrollment Status: Recruiting
Publish Date: August 28, 2026
The Assessment of Prednisone In Remission Trial (TAPIR) - Centers of Excellence Approach
The Assessment of Prednisone In Remission Trial (TAPIR) - Centers of Excellence Approach
Enrollment Status: Completed
Publish Date: August 06, 2026
Intervention Type: Drug
Study Drug: Prednisone
Study Phase: Phase 3
A Multicenter, Double-Blind, Randomized, Placebo-Controlled, Phase 3 Study Evaluating the Safety and Efficacy of Intravenous Iloprost in Subjects With Systemic Sclerosis Experiencing Symptomatic Digital Ischemic Episodes (AURORA Study)
A Multicenter, Double-Blind, Randomized, Placebo-Controlled, Phase 3 Study Evaluating the Safety and Efficacy of Intravenous Iloprost in Subjects With Systemic Sclerosis Experiencing Symptomatic Digital Ischemic Episodes (AURORA Study)
Enrollment Status: Completed
Publish Date: May 25, 2025
Intervention Type: Drug
Study Drug: Iloprost
Study Phase: Phase 3
Abatacept (CTLA4-Ig) for the Treatment of Relapsing, Non-Severe, Granulomatosis With Polyangiitis (Wegener's) (ABROGATE)
Abatacept (CTLA4-Ig) for the Treatment of Relapsing, Non-Severe, Granulomatosis With Polyangiitis (Wegener's) (ABROGATE)
Enrollment Status: Completed
Publish Date: July 29, 2024
Intervention Type: Drug
Study Drug: Abatacept
Study Phase: Phase 3
Longitudinal Protocol of Polyarteritis Nodosa
Longitudinal Protocol of Polyarteritis Nodosa
Enrollment Status: Completed
Publish Date: July 12, 2022
Determining Disease Activity Biomarkers in Individuals With Granulomatosis With Polyangiitis (Wegener's) and Microscopic Polyangiitis
Determining Disease Activity Biomarkers in Individuals With Granulomatosis With Polyangiitis (Wegener's) and Microscopic Polyangiitis
Enrollment Status: Completed
Publish Date: July 12, 2022
Longitudinal Protocol for Giant Cell Arteritis
Longitudinal Protocol for Giant Cell Arteritis
Enrollment Status: Completed
Publish Date: July 12, 2022
VCRC Longitudinal Protocol for Takayasu's Arteritis
VCRC Longitudinal Protocol for Takayasu's Arteritis
Enrollment Status: Completed
Publish Date: July 12, 2022
View 7 Less Clinical Trials

379 Total Publications

Patients' perspectives of eosinophilic granulomatosis with polyangiitis within the context of a clinical trial.
Patients' perspectives of eosinophilic granulomatosis with polyangiitis within the context of a clinical trial.
Journal: EULAR rheumatology open
Published: June 29, 2026
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Philadelphia, PA 
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Penn Rheumatology Perelman

3400 Civic Center Boulevard, South Pavilion, 1st Floor, 
Philadelphia, PA 
 (0.1 miles away)
215-662-2454
Languages Spoken:
English
See accepted insurances
Accepting New Patients

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Frequently Asked Questions about Dr. Peter A. Merkel

How do I make an appointment with Dr. Peter A. Merkel?

You can book an appointment with Dr. Peter A. Merkel by calling their office at 215-662-2454. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Peter A. Merkel a top-rated expert for Granulomatosis with Polyangiitis?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Peter A. Merkel is classified as an Elite expert for Granulomatosis with Polyangiitis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Peter A. Merkel specialize in?

While Dr. Peter A. Merkel is a Rheumatology, they have specific expertise in Granulomatosis with Polyangiitis, Vasculitis, and Microscopic Polyangiitis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Rheumatology.

Does Dr. Peter A. Merkel participate in research or clinical trials?

Yes. Dr. Peter A. Merkel has published 379 articles and abstracts on conditions like Granulomatosis with Polyangiitis. You can view a list of Dr. Peter A. Merkel's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Peter A. Merkel accept my insurance?

Dr. Peter A. Merkel accepts most major insurance plans, including Aetna and Capital Blue Cross. We recommend calling the office directly at 215-662-2454 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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