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Gastroenterology

Lucas R. Leonard, MD

Works at hospitals in Centralia, WA · Olympia, WA · Washington

Summary

Dr. Lucas R. Leonard, MD is a gastroenterologist at 11800 NE 128th St, Suite 100, Kirkland, WA 98034. Phone: (425) 899-4500. Accepts Medicare assignment. In 2024, Lucas R. Leonard had 297 Original Medicare patients and 483 services. NPI 1992796528. 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: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 11800 NE 128th St, Suite 100, Kirkland, WA 98034 · Directions (3 more locations)
  • Phone: (425) 899‑4500
  • Medicare: Accepts Medicare assignment
  • Hospitals: Providence Centralia Hospital, Providence St Peter Hospital
  • Group practice: Puget Sound Gastroenterology PLLC
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Lucas R. Leonard, 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 Lucas R. Leonard accept Medicare assignment?
Yes. Medicare's clinician data says Lucas R. Leonard 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 Lucas R. Leonard see?
In 2024, CMS data shows 297 Original Medicare patients and 483 services for Lucas R. Leonard. This counts Original Medicare only and measures volume, not quality.
What is Lucas R. Leonard's NPI number?
1992796528. 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 Lucas R. Leonard, 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 patients297
Services billed to Medicare483
Different services or procedures40
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)119 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)76 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)59 services
  4. Insertion of guide wire with dilation of esophagus using a flexible endoscope (43248)39 services
  5. Biopsy of large bowel using a flexible endoscope (45380)25 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 cholesterol70%
  • High blood pressure68%
  • Arthritis41%
  • Diabetes27%
  • Depression25%
  • Ischemic heart disease21%

Hospitals where Lucas R. Leonard works

Medicare's Facility Affiliation Data lists Lucas R. Leonard 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.

Practice locations

Addresses where Lucas R. Leonard is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lucas R. Leonard as a member of this group (CMS data updated October 2, 2026).

  • Puget Sound Gastroenterology PLLC61 clinicians in the group

Specialties

Find other Gastroenterology doctors in Washington →

Other gastroenterologists in Kirkland

Clinicians with the same Medicare primary specialty in Kirkland, WA — not a recommendation.

All gastroenterologists in Kirkland →

Other clinicians in Puget Sound Gastroenterology PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992796528
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