Marsha K. Guess, MD

Medicare activity in 2024

Official CMS public-use data for Marsha K. Guess, 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. Diagnostic exam of bladder and urethra using an endoscope (52000)47 services
2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)36 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)35 services
4. Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies (51729)31 services
5. Electronic assessment of bladder emptying (51741)31 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%
• Arthritis65%
• High blood pressure52%
• Depression35%
• Anxiety30%
• Osteoporosis28%

Hospitals where Marsha K. Guess works

Medicare's Facility Affiliation Data lists Marsha K. Guess 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.

• UCHealth Highlands Ranch HospitalHighlands Ranch, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060132
• University of Colorado Hospital AuthorityAurora, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060024

Practice locations

Addresses where Marsha K. Guess is enrolled with Medicare (CMS data updated October 2, 2026).

• 12605 E 16th Ave, Uchealth Anschutz Medical CampusAurora, CO 80045 (720) 848‑0000
• 13123 E 16th AveAurora, CO 80045 (720) 777‑1234
• 9548 Park Meadows DrLone Tree, CO 80124 (720) 848‑2200

Group practices

Medicare enrollment lists Marsha K. Guess as a member of this group (CMS data updated October 2, 2026).

• University Physicians Incorporated3,215 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary
• Plastic and Reconstructive Surgeryalso

Find other Obstetrics/Gynecology doctors in Colorado →

Other OB-GYNs in Aurora

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

• Nancy Z. Fang, MD
• Abigail L. Barnes, MD
• Lauren Harrington, MD
• Rebecca H. Cohen, MD
• Maria C. Hoffman-Shuler, MD
• Lauren D. Thaxton, MD
• Lauren C. Sayres, MD
• Megan Sheldon, MD

All OB-GYNs in Aurora →

Other clinicians in University Physicians Incorporated

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

• Truc-Anh Tran, AA
• Joseph R. Brown, MD
• Patrick R. Connor, MD
• Benjamin J. Marshall, DO
• Heather Murray, MD
• Leigh Dairaghi, 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