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Gastroenterology

Lisa R. Swize, MD

Works at hospitals in Littleton, CO · Englewood, CO · Colorado

Summary

Dr. Lisa R. Swize, MD is a gastroenterologist at 10103 Ridgegate Pkwy, Suite 312, Lone Tree, CO 80124. Phone: (303) 788-8888. Accepts Medicare assignment. In 2024, Lisa R. Swize had 269 Original Medicare patients and 625 services. NPI 1376680637. 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: 10103 Ridgegate Pkwy, Suite 312, Lone Tree, CO 80124 · Directions (1 more location)
  • Phone: (303) 788‑8888
  • Medicare: Accepts Medicare assignment
  • Hospitals: AdventHealth Littleton, Hca-Healthone dba Swedish Medical Center
  • Group practice: South Denver Gastroenterology, P.C
  • Medical school: University Of Colorado School Of Medicine, Denver · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa R. Swize, 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 Lisa R. Swize accept Medicare assignment?
Yes. Medicare's clinician data says Lisa R. Swize 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 Lisa R. Swize see?
In 2024, CMS data shows 269 Original Medicare patients and 625 services for Lisa R. Swize. This counts Original Medicare only and measures volume, not quality.
What is Lisa R. Swize's NPI number?
1376680637. 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 Lisa R. Swize, 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 patients269
Services billed to Medicare625
Different services or procedures30
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)96 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)71 services
  3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)64 services
  4. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)64 services
  5. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)59 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 cholesterol74%
  • High blood pressure55%
  • Arthritis51%
  • Depression26%
  • Osteoporosis25%
  • Ischemic heart disease23%

Hospitals where Lisa R. Swize works

Medicare's Facility Affiliation Data lists Lisa R. Swize 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 Lisa R. Swize is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • South Denver Gastroenterology, P.C54 clinicians in the group

Specialties

Find other Gastroenterology doctors in Colorado →

Other gastroenterologists in Lone Tree

Clinicians with the same Medicare primary specialty in Lone Tree, CO — not a recommendation.

All gastroenterologists in Lone Tree →

Other clinicians in South Denver Gastroenterology, P.C

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

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1376680637
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