Sheryl A. Cowan, MD

Medicare activity in 2024

Official CMS public-use data for Sheryl A. Cowan, 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, dexamethasone sodium phosphate, 1 mg (J1100)762 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)445 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)168 services
4. Injection of drug or substance under skin or into muscle (96372)138 services
5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)129 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 pressure54%
• Arthritis36%
• Diabetes23%
• Ischemic heart disease16%
• Atrial fibrillation15%

Hospitals where Sheryl A. Cowan works

Medicare's Facility Affiliation Data lists Sheryl A. Cowan 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.

• Baylor Regional Medical Center at PlanoPlano, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450890
• Medical City Dallas HospitalDallas, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450647
• Medical City PlanoPlano, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450651
• Methodist Richardson Medical CenterRichardson, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450537

Practice locations

Addresses where Sheryl A. Cowan is enrolled with Medicare (CMS data updated October 2, 2026).

• 403 W Campbell Rd, Suite 103Richardson, TX 75080 (972) 235‑8311

Group practices

Medicare enrollment lists Sheryl A. Cowan as a member of this group (CMS data updated October 2, 2026).

• Arapaho Village Medical Association3 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Texas →

Other family doctors in Richardson

Clinicians with the same Medicare primary specialty in Richardson, TX — not a recommendation.

• Adam S. Miner, MD
• Bryan McGee, DO
• Mariam Mirza, MD
• Nida Zahra, MD
• Oyindamola Wemimo, MD
• Thomas A. King, MD
• Paul Yu, MD
• Michael C. Maxwell, MD

All family doctors in Richardson →

Other clinicians in Arapaho Village Medical Association

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

• Paul Yu, MD
• David Bonnet, 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