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WILLIAM JAMES MESNARD MD
NPI 1467559617
Internal Medicine - Rheumatology in Millburn, NJ

Active since September 20, 2006PECOS Enrolled
116 MILLBURN AVE, MILLBURN, NJ 07041(973) 375-2545(973) 467-4207 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About William James Mesnard Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM JAMES MESNARD MD (NPI 1467559617) is an individual rheumatology provider in Millburn, New Jersey, licensed in New Jersey (MA46581) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467559617
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameWILLIAM JAMES MESNARDCredential: MD
Location Address116 MILLBURN AVEMillburn, NJ 07041-1919
Mailing Address116 Millburn AveMillburn, NJ 07041-1919 · (973) 375-2545 · Fax (973) 467-4207
Phone(973) 375-2545
Fax(973) 467-4207
Sole ProprietorNo
Enumeration DateSeptember 20, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1467559617 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in NJ · MA46581
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License MA46581 (NJ)
116 MILLBURN AVE, Millburn, NJ 07041
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William James Mesnard Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07041 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DENTAL CHARM LLC
Clinic/Center (Dental)
116 MILLBURN AVE, SUITE 109
MILLBURN, NJ 07041
Essex County (973) 921-9097
RAJENDRA DESAI MD
Internal Medicine (Cardiovascular Disease)
116 MILLBURN AVE, SUITE 213
MILLBURN, NJ 07041
Essex County (973) 376-8454
DR. YATINDER BAINS M.D.
Internal Medicine (Gastroenterology)
116 MILLBURN AVE, SUITE # 214
MILLBURN, NJ 07041
Essex County (973) 376-2121
PRATIBHA AVINASH KULKARNI M.D.
Internal Medicine
116 MILLBURN AVE, SUITE # 108
MILLBURN, NJ 07041
Essex County (973) 564-5227
DR. GEORGE KIHICZAK M.D.
Dermatology (Procedural Dermatology)
116 MILLBURN AVE, SUITE 111
MILLBURN, NJ 07041
Essex County (973) 467-5499
MRS. QAISRA YASMIN SAEED MD
Internal Medicine (Cardiovascular Disease)
116 MILLBURN AVE, SUITE 214
MILLBURN, NJ 07041
Essex County (973) 218-6000
RICKERS & KULKARNI MEDICAL GROUP PA
Internal Medicine
116 MILLBURN AVE, SUITE 108
MILLBURN, NJ 07041
Essex County (973) 564-5227
DR. MEHUL N SHAH MD
Internal Medicine (Gastroenterology)
116 MILLBURN AVE, SUITE 214
MILLBURN, NJ 07041
Essex County (973) 378-2121

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Mesnard's NPI number?

The NPI number for William Mesnard is 1467559617. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is William Mesnard located?

William Mesnard practices at 116 Millburn Ave, Millburn, NJ 07041. The listed phone number is (973) 375-2545.

What is William Mesnard's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is William Mesnard enrolled in Medicare?

Yes. William Mesnard is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Mesnard was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.