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Obstetrics/Gynecology

Rachel L. Leonardi, DO

Works at hospitals in Derby, CT · Waterbury, CT · Connecticut

Summary

Dr. Rachel L. Leonardi, DO is an OB-GYN at 56 Franklin St, Waterbury, CT 06706. Phone: (203) 709-6000. Accepts Medicare assignment. In 2024, Rachel L. Leonardi had 46 Original Medicare patients and 75 services. NPI 1669468534. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 56 Franklin St, Waterbury, CT 06706 · Directions
  • Phone: (203) 709‑6000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Griffin Hospital, Saint Mary's Hospital
  • Group practice: Trinity Health of New England Provider Network Organization Inc
  • Medical school: Wright State University Boonshoft School Of Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rachel L. Leonardi, 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 Rachel L. Leonardi accept Medicare assignment?
Yes. Medicare's clinician data says Rachel L. Leonardi 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 Rachel L. Leonardi see?
In 2024, CMS data shows 46 Original Medicare patients and 75 services for Rachel L. Leonardi. This counts Original Medicare only and measures volume, not quality.
What is Rachel L. Leonardi's NPI number?
1669468534. 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 Rachel L. Leonardi, 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 patients46
Services billed to Medicare75
Different services or procedures14
Participating Medicare providerYes
Average age of these patients66

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)30 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)16 services
  3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure63%
  • Arthritis46%
  • Anxiety35%
  • Osteoporosis28%

Hospitals where Rachel L. Leonardi works

Medicare's Facility Affiliation Data lists Rachel L. Leonardi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031
  • Saint Mary's HospitalWaterbury, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070016

Practice locations

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

Group practices

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

  • Trinity Health of New England Provider Network Organization Inc653 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Connecticut →

Other OB-GYNs in Waterbury

Clinicians with the same Medicare primary specialty in Waterbury, CT — not a recommendation.

All OB-GYNs in Waterbury →

Other clinicians in Trinity Health of New England Provider Network Organization Inc

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

Clinician information

CredentialDO
Medical schoolWright State University Boonshoft School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669468534
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians