Summary

Dr. William Mesnard specializes in rheumatology and internal medicine, bringing four decades of expertise to his practice. He earned his medical degree from Virginia Commonwealth University School of Medicine and has dedicated 44 years to caring for patients with complex medical conditions. Dr. Mesnard is fluent in both English and Spanish, helping him connect with a diverse patient population.

Dr. Mesnard practices throughout New Jersey, with locations in Millburn, Flemington, Newark, and East Orange. He maintains affiliations with Cooperman Barnabas Medical Center and serves patients at multiple medical facilities across the region. His clinical expertise focuses on treating conditions such as gout, pseudogout, and psoriasis. Patients have given him an average rating of 3.2 on Vitals, reflecting their experiences with his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.2
  • 44 years of experience
  • 13 insurance plans accepted
  • speaks English, Spanish
  • Virginia Commonwealth University School Of Medicine
  • 10 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 1 hospital affiliation
  • 7 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Spent time with me
  • Provided follow-up after the visit

Office Locations

Dr. William James Mesnard has 7 locations

Hanauer And Mesnard Medical Group

116 Millburn Ave Ste 114Millburn, NJ 07041
Mon9:00 am - 5:30 pm
Tue9:30 am - 3:30 pm
Wed9:00 am - 3:00 pm
ThuClosed
Fri9:00 am - 1:00 pm
Sat9:30 am - 5:30 pm
SunClosed

William Mesnard Md Medical Group

116 Millburn AveMillburn, NJ 07041
Mon9:00 am - 5:30 pm
Tue9:30 am - 3:30 pm
Wed9:00 am - 3:00 pm
ThuClosed
Fri9:00 am - 1:00 pm
Sat9:30 am - 5:30 pm
SunClosed

Hunterdon Internal Medicine Associates

6 Sand Hill Rd Ste 201Flemington, NJ 08822
Mon8:00 am - 7:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 12:00 pm
SunClosed

Newark Beth Israel Medical Center

201 Lyons AveNewark, NJ 07112

Hunterdon Medical Center

2100 Wescott DrFlemington, NJ 08822

East Orange Va Medical Center

385 Tremont AveEast Orange, NJ 07018

Mehul N Shah Md Pa

116 Millburn Ave Ste 102Millburn, NJ 07041
Mon10:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed3:00 pm - 5:00 pm
Thu3:00 pm - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. William James Mesnard, MD
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Dr. William James Mesnard, MDDr. Theodore Fields, MD, FACPDr. Jessica Berman, MDTehila T Zuckerman, MD
RheumatologyRheumatologyRheumatologyRheumatology
Accepts New Patients Accepts New Patients Accepts New Patients
3.2 
4.7 
3.6 
44 Years of Experience 50 Years of Experience 29 Years of Experience 18 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Chinese, English Speaks Chinese, Spanish Speaks Hebrew, Spanish
Millburn , NJNew York , NYNew York , NYForest Hills , NY
Med School: Virginia Commonwealth University School Of Medicine Med School: Suny Downstate Medical Center College Of Medicine Med School: Harvard Medical School Med School: Albert Einstein College of Medicine - Yeshiva University
Current Profile
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Insurance Plans Accepted by Dr. William James Mesnard

  • Accepts Medicaid
  • AARP
  • Aetna
  • AmeriHealth
  • AmeriHealth - PPO
  • Blue Cross Blue Shield
  • CHAMPVA
  • Cigna
  • MagnaCare
  • Medicare
  • Medicare - Medicare
  • Mutual of Omaha
  • UnitedHealthcare
  • UnitedHealthcare Oxford

Medical Specialties

Dr. William James Mesnard has the following 2 specialties

Specialty Expertise

Dr. William James Mesnard has the following 10 areas of expertise

  • Gout
  • Hip Osteoarthritis
  • Internal Medicine
  • Knee Osteoarthritis
  • Lupus
  • Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Tendinitis

Certifications, License, & Education

44 Years Experience

Education & Training

Medical School

Graduated from Virginia Commonwealth University School Of Medicine in 1982.

NPI Number

Dr. Mesnard's NPI number is 1467559617.

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Frequently Asked Questions

Is Dr. William Mesnard accepting new patients?
Dr. William Mesnard is accepting new patients on Vitals. View Dr. William Mesnard's profile on Vitals to make an appointment.
Does Dr. William Mesnard accept my insurance?
You can see the insurance plans that Dr. William Mesnard accepts on their Vitals profile.
Which hospitals is Dr. William Mesnard affiliated with?
Dr. William Mesnard is affiliated with Cooperman Barnabas Medical Center.
What languages does Dr. William Mesnard speak?
Dr. William Mesnard speaks English and Spanish.
Does Dr. William Mesnard accept virtual/telehealth appointments?
Dr. William Mesnard has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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