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Obstetrics/Gynecology

Sarah A. Lewis, MD

Works at hospitals in Cincinnati, OH · Ohio

Summary

Dr. Sarah A. Lewis, MD is an OB-GYN at 10500 Montgomery Rd, Montgomery, OH 45242. Phone: (513) 204-6490. Accepts Medicare assignment. In 2024, Sarah A. Lewis had 57 Original Medicare patients and 102 services. NPI 1881634426. 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: 10500 Montgomery Rd, Montgomery, OH 45242 · Directions (5 more locations)
  • Phone: (513) 204‑6490
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bethesda North, Christ Hospital
  • Group practice: TriHealth H LLC
  • Medical school: Northeastern Ohio University College Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah A. Lewis, 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 Sarah A. Lewis accept Medicare assignment?
Yes. Medicare's clinician data says Sarah A. Lewis 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 Sarah A. Lewis see?
In 2024, CMS data shows 57 Original Medicare patients and 102 services for Sarah A. Lewis. This counts Original Medicare only and measures volume, not quality.
What is Sarah A. Lewis's NPI number?
1881634426. 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 Sarah A. Lewis, 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 patients57
Services billed to Medicare102
Different services or procedures14
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)41 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)13 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 cholesterol67%
  • High blood pressure56%
  • Arthritis40%
  • Osteoporosis32%

Hospitals where Sarah A. Lewis works

Medicare's Facility Affiliation Data lists Sarah A. Lewis 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.

  • Bethesda NorthCincinnati, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360179
  • Christ HospitalCincinnati, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360163

Practice locations

Addresses where Sarah A. Lewis is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

  • 10500 Montgomery RdMontgomery, OH 45242
  • 10506 A Montgomery RdMontgomery, OH 45242
  • 375 Dixmyth AveCincinnati, OH 45220
  • 379 Dixmyth AveCincinnati, OH 45220
  • 6010 S Mason Montgomery RdMason, OH 45040

Group practices

Medicare enrollment lists Sarah A. Lewis as a member of this group (CMS data updated October 2, 2026).

  • TriHealth H LLC850 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Ohio →

Other OB-GYNs in Montgomery

Clinicians with the same Medicare primary specialty in Montgomery, OH — not a recommendation.

All OB-GYNs in Montgomery →

Other clinicians in TriHealth H LLC

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

Clinician information

CredentialMD
Medical schoolNortheastern Ohio University College Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881634426
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