Theresa Lee, MD

Medicare activity in 2024

Official CMS public-use data for Theresa Lee, 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.

Most frequent services

1. Injection, vedolizumab, intravenous, 1 mg (J3380)4,800 services
2. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)48 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)44 services
4. Insertion of needle into vein for collection of blood sample (36415)28 services
5. Administration of chemotherapy into vein, 1 hour or less (96413)28 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%
• Arthritis52%
• Ischemic heart disease23%
• Anxiety23%
• Osteoporosis23%

Hospitals where Theresa Lee works

Medicare's Facility Affiliation Data lists Theresa Lee 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.

• Sky Ridge Medical CenterLone Tree, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060112

Practice locations

Addresses where Theresa Lee is enrolled with Medicare (CMS data updated October 2, 2026).

• 10103 Ridgegate Pkwy, Suite 312Lone Tree, CO 80124 (303) 788‑8888
• 499 E Hampden Ave, Suite 420Englewood, CO 80113 (303) 788‑8888

Group practices

Medicare enrollment lists Theresa Lee as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Gastroenterologyprimary

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.

• Cary H. Patt, MD
• Erika M. Lee, MD
• Fernando S. Carreira, MD
• Erik J. Pieramici, MD
• Aimee E. Truesdale, MD
• Alexander Ende, MD
• Frederick W. Lewis, MD
• Babac Vahabzadeh, MD

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.

• Landon R. Kleeb, CNA
• Cary H. Patt, MD
• Erika M. Lee, MD
• Babac Vahabzadeh, MD
• Kelly L. Smeester, PA
• David M. Scheider, MD

Clinician information

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