Summary

Dr. William Mesnard specializes in rheumatology and internal medicine, bringing four decades of clinical 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 autoimmune and inflammatory conditions. Dr. Mesnard is fluent in both English and Spanish, enabling him to serve diverse patient populations throughout New Jersey.

Dr. Mesnard practices at multiple locations in Millburn and Flemington, New Jersey, and maintains affiliations with Cooperman Barnabas Medical Center. His clinical focus includes treating patients with gout, a painful form of arthritis caused by uric acid buildup in joints. He also manages pseudogout, another crystal arthropathy condition, and provides care for patients with psoriasis, an autoimmune skin condition. Patients have given him an average rating of 3.2 out of 5 on Vitals, reflecting their experiences with his comprehensive rheumatologic care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.2
  • 44 years of experience
  • 13 insurance plans accepted
  • speaks Spanish, English
  • Virginia Commonwealth University School Of Medicine
  • 10 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 2 board certifications
  • 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, MDDr. Yevgeniya Gartshteyn, MDDr. Nancyanne Melissa Schmidt, MDDr. Lisa F Imundo, MD
RheumatologyRheumatologyRheumatologyRheumatology
Accepts New Patients Accepts New Patients Accepts New Patients
3.2 
44 Years of Experience 15 Years of Experience 10 Years of Experience 38 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks Spanish, Russian, English Speaks Spanish
Millburn , NJNew York , NYNew York , NYNew York , NY
Med School: Virginia Commonwealth University School Of Medicine Med School: New York University School Of Medicine Med School: Renaissance School Of Medicine At Stony Brook University Med School: Suny Downstate Medical Center College Of Medicine
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

What languages does Dr. William Mesnard speak?
Dr. William Mesnard speaks Spanish and English.
Does Dr. William Mesnard accept my insurance?
You can see the insurance plans that Dr. William Mesnard accepts on their Vitals profile.
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.
Which hospitals is Dr. William Mesnard affiliated with?
Dr. William Mesnard is affiliated with Cooperman Barnabas Medical Center.
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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