Meggan C. Mackay
Advanced in Lupus Nephritis

Dr. Meggan C. Mackay

Rheumatology
Northwell Health
Northwell Health Physician Partners Medicine Specialties At East 85th Street
178 East 85th Street, 4th Floor, 
New York, NY 
On Staff At

Advanced in Lupus Nephritis
Northwell Health
Northwell Health Physician Partners Medicine Specialties At East 85th Street
178 East 85th Street, 4th Floor, 
New York, NY 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Meggan Mackay is a Rheumatologist in New York, New York. Dr. Mackay is rated as an Advanced provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Systemic Lupus Erythematosus (SLE), Lupus Nephritis, Arthritis, and Vasculitis.

Her clinical research consists of co-authoring 82 peer reviewed articles and participating in 10 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, she has co-authored 8 articles in the study of Lupus Nephritis.

Graduate Institution
New York Medical College
Residency
Jacobi Medical Center/Albert Einstein College of Medicine
Specialties
Rheumatology
Licenses
Internal Medicine in NY
Board Certifications
American Board Of Internal Medicine/Rheumatology
Fellowships
Albert Einstein College of Medicine-Yeshiva University
Hospital Affiliations
North Shore University Hospital
Long Island Jewish Medical Center
Lenox Hill Hospital
Hofstra/Northwell School Of Medicine/Nursing
Languages Spoken
English
French
Gender
Female

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health First
  • HMO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
MetroPlus Health
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Northwell Health
  • INSURANCE PLAN
The Wellness Plan Medical Centers
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
VNS Health
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 11 Less Insurance Carriers -

Locations

Northwell Health Physician Partners Medicine Specialties at East 85th Street
178 East 85th Street, 4th Floor, New York, NY 10028
Call: 212-434-3427

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.


9 Clinical Trials

A Phase II Controlled Trial of Allogeneic Mesenchymal Stem Cells for the Treatment of Refractory Lupus
A Phase II Controlled Trial of Allogeneic Mesenchymal Stem Cells for the Treatment of Refractory Lupus
Enrollment Status: Completed
Publish Date: February 05, 2026
Intervention Type: Drug
Study Drugs: Low Dose Mesenchymal Stem Cells, High Dose Mesenchymal Stem Cells
Study Phase: Phase 2
A 5-Year Prospective Observational Registry to Assess Adverse Events of Interest and Effectiveness in Adults With Active, Autoantibody-Positive Systemic Lupus Erythematosus Treated With or Without BENLYSTA™ (Belimumab)
A 5-Year Prospective Observational Registry to Assess Adverse Events of Interest and Effectiveness in Adults With Active, Autoantibody-Positive Systemic Lupus Erythematosus Treated With or Without BENLYSTA™ (Belimumab)
Enrollment Status: Completed
Publish Date: September 23, 2025
Intervention Type: Other, Biological
A Novel Phase 2 Double-blind, Randomized, Controlled Clinical Trial to Evaluate the Efficacy of Centrally Acting, Non-toxic ACE Inhibition in Cognitive Impairment Associated With SLE
A Novel Phase 2 Double-blind, Randomized, Controlled Clinical Trial to Evaluate the Efficacy of Centrally Acting, Non-toxic ACE Inhibition in Cognitive Impairment Associated With SLE
Enrollment Status: Active_not_recruiting
Publish Date: September 19, 2025
Intervention Type: Drug
Study Drugs: Lisinopril, Benazepril
Study Phase: Phase 2
Booster Effects With Autoimmune Treatments in Patients With Poor Response to Initial COVID-19 Vaccine (ACV01)
Booster Effects With Autoimmune Treatments in Patients With Poor Response to Initial COVID-19 Vaccine (ACV01)
Enrollment Status: Terminated
Publish Date: August 22, 2025
Intervention Type: Drug, Biological
Study Drugs: Moderna mRNA-1273, BNT162b2, Ad26.COV2.S, IS (MMF or MPA), IS (MTX), IS (B cell Depletion Therapy)
Study Phase: Phase 2
A Phase 3, Double-Blind, Multicenter Study to Evaluate the Long-Term Safety and Efficacy of Baricitinib in Patients With Systemic Lupus Erythematosus (SLE)
A Phase 3, Double-Blind, Multicenter Study to Evaluate the Long-Term Safety and Efficacy of Baricitinib in Patients With Systemic Lupus Erythematosus (SLE)
Enrollment Status: Terminated
Publish Date: May 16, 2023
Intervention Type: Drug
Study Drug: Baricitinib
Study Phase: Phase 3
Development of a Novel Glutamate Receptor Ligand for PET Scans in Neuropsychiatric Systemic Lupus Erythematosus
Development of a Novel Glutamate Receptor Ligand for PET Scans in Neuropsychiatric Systemic Lupus Erythematosus
Enrollment Status: Completed
Publish Date: February 15, 2023
A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Phase 3 Study of Baricitinib in Patients With Systemic Lupus Erythematosus
A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Phase 3 Study of Baricitinib in Patients With Systemic Lupus Erythematosus
Enrollment Status: Terminated
Publish Date: January 30, 2023
Intervention Type: Drug
Study Drug: Baricitinib
Study Phase: Phase 3
A Phase 2, Double-blind, Randomized, Placebo-controlled Multicenter Study to Evaluate Efficacy, Safety, and Tolerability of JBT-101 in Systemic Lupus Erythematosus
A Phase 2, Double-blind, Randomized, Placebo-controlled Multicenter Study to Evaluate Efficacy, Safety, and Tolerability of JBT-101 in Systemic Lupus Erythematosus
Enrollment Status: Completed
Publish Date: November 18, 2022
Intervention Type: Drug
Study Drug: JBT-101
Study Phase: Phase 2
Nelfinavir in Systemic Lupus Erythematosus: A Pilot Phase IIa Clinical Trial
Nelfinavir in Systemic Lupus Erythematosus: A Pilot Phase IIa Clinical Trial
Enrollment Status: Terminated
Publish Date: February 24, 2020
Intervention Type: Drug
Study Phase: Phase 2
View 8 Less Clinical Trials

82 Total Publications

Prospective SARS-CoV-2 additional vaccination in immunosuppressant-treated individuals with autoimmune diseases in a randomized controlled trial.
Prospective SARS-CoV-2 additional vaccination in immunosuppressant-treated individuals with autoimmune diseases in a randomized controlled trial.
Journal: JCI insight
Published: November 25, 2025
View All 82 Publications
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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. Mackay's expertise for a condition
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  • Elite
  • Systemic Lupus Erythematosus (SLE)
    Dr. Mackay is
    Elite
    . Learn about Systemic Lupus Erythematosus (SLE).
    See more Systemic Lupus Erythematosus (SLE) experts
    • Advanced
    • Lupus Nephritis
      Dr. Mackay is
      Advanced
      . Learn about Lupus Nephritis.
      See more Lupus Nephritis experts
    • Experienced
    • Arthritis
      Dr. Mackay is
      Experienced
      . Learn about Arthritis.
      See more Arthritis experts
    • Polyarteritis Nodosa
      Dr. Mackay is
      Experienced
      . Learn about Polyarteritis Nodosa.
      See more Polyarteritis Nodosa experts
    • Raynaud Phenomenon
      Dr. Mackay is
      Experienced
      . Learn about Raynaud Phenomenon.
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    • Rheumatoid Arthritis (RA)
      Dr. Mackay is
      Experienced
      . Learn about Rheumatoid Arthritis (RA).
      See more Rheumatoid Arthritis (RA) experts
    • Vasculitis
      Dr. Mackay is
      Experienced
      . Learn about Vasculitis.
      See more Vasculitis experts
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