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Pediatric Medicine

Rachelle L. Bernard, MD

Sees patients in San Mateo, CA · California

Summary

Dr. Rachelle L. Bernard, MD is a pediatrician at 2950 S Delaware St, Suite 150, San Mateo, CA 94403. Phone: (888) 663-6331. Accepts Medicare assignment. In 2024, Rachelle L. Bernard had 12 Original Medicare patients and 17 services. NPI 1639604507. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pediatrician (Medicare lists Pediatric Medicine)
  • Address: 2950 S Delaware St, Suite 150, San Mateo, CA 94403 · Directions
  • Phone: (888) 663‑6331
  • Medicare: Accepts Medicare assignment
  • Group practice: One Medical Group Inc
  • Medical school: Rutgers New Jersey Medical School · graduated 1986 (40 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rachelle L. Bernard, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Rachelle L. Bernard accept Medicare assignment?
Yes. Medicare's clinician data says Rachelle L. Bernard accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Rachelle L. Bernard see?
In 2024, CMS data shows 12 Original Medicare patients and 17 services for Rachelle L. Bernard. This counts Original Medicare only and measures volume, not quality.
What is Rachelle L. Bernard's NPI number?
1639604507. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Rachelle L. Bernard, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients12
Services billed to Medicare17
Different services or procedures7
Participating Medicare providerYes
Average age of these patients71

Practice locations

Addresses where Rachelle L. Bernard is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rachelle L. Bernard as a member of this group (CMS data updated October 2, 2026).

  • One Medical Group Inc331 clinicians in the group

Specialties

Find other Pediatric Medicine doctors in California →

Other pediatricians in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All pediatricians in California →

Other clinicians in One Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year1986 (40 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639604507
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians