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Endocrinology

Bonnie Sidler, MD

Sees patients in Livingston, NJ · New Jersey

Summary

Bonnie Sidler, MD (Endocrinology) is enrolled with Medicare at 2 practice locations in Livingston, NJ. NPI 1538166368. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Bonnie Sidler, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
39Years since medical school (graduated 1987)
FemaleGender (as listed)
Barnabas Health Medical Group PCGroup practice

Quick answers

Where does Bonnie Sidler see patients?
Medicare's clinician data lists 2 practice locations, including Livingston, NJ. Call before your visit to confirm the address.
What is Bonnie Sidler's specialty?
Medicare lists Endocrinology as the primary specialty.
Does Bonnie Sidler accept Medicare assignment?
Yes. Medicare's clinician data says Bonnie Sidler accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is Bonnie Sidler's NPI number?
1538166368. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Bonnie Sidler is enrolled with Medicare (CMS data updated 2026-10-02).

  • 200 S Orange AveLivingston, NJ 07039
  • 94 Old Short Hills RdLivingston, NJ 07039

Group practices

Medicare enrollment lists Bonnie Sidler as a member of this group (CMS data updated 2026-10-02).

  • Barnabas Health Medical Group PC1,070 clinicians in the group

Specialties

Find other Endocrinology doctors in New Jersey →

Other endocrinologists in Livingston

Clinicians with the same Medicare primary specialty in Livingston, NJ — not a recommendation.

All endocrinologists in Livingston →

Clinician information

CredentialMD
Graduation year1987
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538166368
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians