Glennda D. Tiller, DO

Medicare activity in 2024

Official CMS public-use data for Glennda D. Tiller, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)74 services
2. Hospital discharge day management, 30 minutes or less (99238)41 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)27 services
5. Assessment of emotional or behavioral problems (96127)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 cholesterol60%
• Arthritis41%
• Depression41%
• Diabetes40%
• Anxiety38%

Hospitals where Glennda D. Tiller works

Medicare's Facility Affiliation Data lists Glennda D. Tiller 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.

• Hillcrest Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370001
• Oklahoma State University Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370078

Practice locations

Addresses where Glennda D. Tiller is enrolled with Medicare (CMS data updated October 2, 2026).

• 042 MurrayStillwater, OK 74078
• 042 Murray, OSU Speech Lang Hearing ClinicStillwater, OK 74078 (405) 744‑8939
• 2345 Southwest BlvdTulsa, OK 74107 (918) 561‑5701

Group practices

Medicare enrollment lists Glennda D. Tiller as a member of this group (CMS data updated October 2, 2026).

• Oklahoma State University108 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Oklahoma →

Other family doctors in Stillwater

Clinicians with the same Medicare primary specialty in Stillwater, OK — not a recommendation.

• Sherrita Polk, DO
• Dylon S. Howard, DO
• Kelsey J. Smith, MD
• Jenny T. Le, MD
• Matthew B. Fowler, DO
• William A. Anthony, DO
• Rachel L. Wirginis, DO
• Raechel D. Evans, MD

All family doctors in Stillwater →

Other clinicians in Oklahoma State University

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

• Brian C. Diener, DO
• Adam D. Bradley, DO
• Sherrita Polk, DO
• Mark J. Parks, DO
• Megan K. Deitz, CSW
• Marinn Rank, DO

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