Distinguished in Necrotizing Vasculitis

Dr. Peter A. Merkel

Rheumatology
Perelman Center For Advanced Medicine
3400 Civic Center Boulevard, South Pavilion, 1st Floor, 
Philadelphia, PA 
Accepting New Patients
Offers Telehealth
Distinguished in Necrotizing Vasculitis
Perelman Center For Advanced Medicine
3400 Civic Center Boulevard, South Pavilion, 1st Floor, 
Philadelphia, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Peter Merkel is a Rheumatologist in Philadelphia, Pennsylvania. Dr. Merkel is rated as a Distinguished provider by MediFind in the treatment of Necrotizing Vasculitis. His top areas of expertise are Granulomatosis with Polyangiitis, Vasculitis, Microscopic Polyangiitis, Takayasu Arteritis, and Tissue Biopsy. Dr. Merkel is currently accepting new patients.

His clinical research consists of co-authoring 392 peer reviewed articles and participating in 8 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties
Rheumatology
Licenses
Internal Medicine in MA
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.

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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
Health Partners Plans
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
View 3 Less Insurance Carriers -

Locations

Perelman Center for Advanced Medicine
3400 Civic Center Boulevard, South Pavilion, 1st Floor, Philadelphia, PA 19104
Call: 215-662-2454

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
Relapsing Polychondritis
Takayasu Arteritis

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.

7 Clinical Trials

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
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: April 16, 2025
Intervention Type: Drug
Study Drug: Prednisone
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 6 Less Clinical Trials

391 Total Publications

Challenges in the diagnosis, classification and prognosis of ANCA-associated vasculitis.
Challenges in the diagnosis, classification and prognosis of ANCA-associated vasculitis.
Journal: Nature reviews. Rheumatology
Published: September 08, 2025
View All 391 Publications
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Distinguished in Necrotizing Vasculitis
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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
Offers Telehealth

Rennie Rhee is a Rheumatologist in Philadelphia, Pennsylvania. Dr. Rhee is rated as an Elite provider by MediFind in the treatment of Necrotizing Vasculitis. Her top areas of expertise are Granulomatosis with Polyangiitis, Vasculitis, Giant Cell Arteritis (GCA), Temporal Arteritis, and Tissue Biopsy. Dr. Rhee is currently accepting new patients.

VIEW MORE NECROTIZING VASCULITIS DOCTORS

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

Find Dr. Merkel's expertise for a condition
ConditionClose
  • Elite
  • Eosinophilic Granulomatosis with Polyangiitis (EGPA, Churg-Strauss Syndrome)
    Dr. Merkel is
    Elite
    . Learn about Eosinophilic Granulomatosis with Polyangiitis (EGPA, Churg-Strauss Syndrome).
    See more Eosinophilic Granulomatosis with Polyangiitis (EGPA, Churg-Strauss Syndrome) experts
  • Giant Cell Arteritis (GCA)
    Dr. Merkel is
    Elite
    . Learn about Giant Cell Arteritis (GCA).
    See more Giant Cell Arteritis (GCA) experts
  • Granulomatosis with Polyangiitis
    Dr. Merkel is
    Elite
    . Learn about Granulomatosis with Polyangiitis.
    See more Granulomatosis with Polyangiitis experts
  • Juvenile Temporal Arteritis
    Dr. Merkel is
    Elite
    . Learn about Juvenile Temporal Arteritis.
    See more Juvenile Temporal Arteritis experts
  • Microscopic Polyangiitis
    Dr. Merkel is
    Elite
    . Learn about Microscopic Polyangiitis.
    See more Microscopic Polyangiitis experts
  • Polyarteritis Nodosa
    Dr. Merkel is
    Elite
    . Learn about Polyarteritis Nodosa.
    See more Polyarteritis Nodosa experts
View All 10 Elite Conditions
  • Distinguished
  • Behcet Disease
    Dr. Merkel is
    Distinguished
    . Learn about Behcet Disease.
    See more Behcet Disease experts
  • Cryoglobulinemia
    Dr. Merkel is
    Distinguished
    . Learn about Cryoglobulinemia.
    See more Cryoglobulinemia experts
  • Familial Mixed Cryoglobulinemia
    Dr. Merkel is
    Distinguished
    . Learn about Familial Mixed Cryoglobulinemia.
    See more Familial Mixed Cryoglobulinemia experts
  • Necrotizing Vasculitis
    Dr. Merkel is
    Distinguished
    . Learn about Necrotizing Vasculitis.
    See more Necrotizing Vasculitis experts
  • Scleroderma
    Dr. Merkel is
    Distinguished
    . Learn about Scleroderma.
    See more Scleroderma experts
  • Systemic Sclerosis (SSc)
    Dr. Merkel is
    Distinguished
    . Learn about Systemic Sclerosis (SSc).
    See more Systemic Sclerosis (SSc) experts
  • Advanced
  • Arthritis
    Dr. Merkel is
    Advanced
    . Learn about Arthritis.
    See more Arthritis experts
  • Henoch-Schonlein Purpura
    Dr. Merkel is
    Advanced
    . Learn about Henoch-Schonlein Purpura.
    See more Henoch-Schonlein Purpura experts
  • Polymyalgia Rheumatica
    Dr. Merkel is
    Advanced
    . Learn about Polymyalgia Rheumatica.
    See more Polymyalgia Rheumatica experts
  • Raynaud Phenomenon
    Dr. Merkel is
    Advanced
    . Learn about Raynaud Phenomenon.
    See more Raynaud Phenomenon experts
  • Rhizomelic Pseudopolyarthritis
    Dr. Merkel is
    Advanced
    . Learn about Rhizomelic Pseudopolyarthritis.
    See more Rhizomelic Pseudopolyarthritis experts
  • Scleroma
    Dr. Merkel is
    Advanced
    . Learn about Scleroma.
    See more Scleroma experts
View All 7 Advanced Conditions
  • Experienced
  • Adult Still's Disease
    Dr. Merkel is
    Experienced
    . Learn about Adult Still's Disease.
    See more Adult Still's Disease experts
  • Ankylosing Spondylitis
    Dr. Merkel is
    Experienced
    . Learn about Ankylosing Spondylitis.
    See more Ankylosing Spondylitis experts
  • Axial Spondyloarthritis (AxSpA)
    Dr. Merkel is
    Experienced
    . Learn about Axial Spondyloarthritis (AxSpA).
    See more Axial Spondyloarthritis (AxSpA) experts
  • Dermatomyositis
    Dr. Merkel is
    Experienced
    . Learn about Dermatomyositis.
    See more Dermatomyositis experts
  • End-Stage Renal Disease (ESRD)
    Dr. Merkel is
    Experienced
    . Learn about End-Stage Renal Disease (ESRD).
    See more End-Stage Renal Disease (ESRD) experts
  • Goodpasture Syndrome
    Dr. Merkel is
    Experienced
    . Learn about Goodpasture Syndrome.
    See more Goodpasture Syndrome experts
View All 34 Experienced Conditions
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