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Hospitalist

Leesa I. Comparin, MD

Works at hospitals in Kettering, OH · Ohio

Summary

Dr. Leesa I. Comparin, MD is a hospitalist at 33 W Rahn Rd, Suite 101, Dayton, OH 45429. Accepts Medicare assignment. In 2024, Leesa I. Comparin had 141 Original Medicare patients and 373 services. NPI 1821054982. 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: Hospitalist
  • Address: 33 W Rahn Rd, Suite 101, Dayton, OH 45429 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospital: Kettering Health Main Campus
  • Group practice: South Dayton Acute Care Consultants, Inc
  • Medical school: Ohio State University College Of Medicine · graduated 1988 (38 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Leesa I. Comparin, 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 Leesa I. Comparin accept Medicare assignment?
Yes. Medicare's clinician data says Leesa I. Comparin 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 Leesa I. Comparin see?
In 2024, CMS data shows 141 Original Medicare patients and 373 services for Leesa I. Comparin. This counts Original Medicare only and measures volume, not quality.
What is Leesa I. Comparin's NPI number?
1821054982. 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 Leesa I. Comparin, 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 patients141
Services billed to Medicare373
Different services or procedures8
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)176 services
  2. Hospital discharge day management, more than 30 minutes (99239)70 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)50 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)49 services
  5. Hospital discharge day management, 30 minutes or less (99238)20 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 blood pressure75%
  • High cholesterol75%
  • Arthritis67%
  • Chronic kidney disease58%
  • Ischemic heart disease52%
  • Anxiety52%

Hospitals where Leesa I. Comparin works

Medicare's Facility Affiliation Data lists Leesa I. Comparin 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.

  • Kettering Health Main CampusKettering, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360079

Practice locations

Addresses where Leesa I. Comparin is enrolled with Medicare (CMS data updated October 2, 2026).

  • 33 W Rahn Rd, Suite 101Dayton, OH 45429
  • 3535 Southern BlvdDayton, OH 45429

Group practices

Medicare enrollment lists Leesa I. Comparin as a member of this group (CMS data updated October 2, 2026).

  • South Dayton Acute Care Consultants, Inc119 clinicians in the group

Specialties

Find other Hospitalist doctors in Ohio →

Other hospitalists in Dayton

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

All hospitalists in Dayton →

Other clinicians in South Dayton Acute Care Consultants, Inc

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

Clinician information

CredentialMD
Medical schoolOhio State University College Of Medicine
Graduation year1988 (38 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821054982
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