William A. Holland Iv, DO

Medicare activity in 2024

Official CMS public-use data for William A. Holland Iv, 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. Removal of skin and tissue, 20.0 sq cm or less (11042)1,417 services
2. Removal of skin and tissue, each additional 20.0 sq cm or less (11045)963 services
3. Management of oxygen chamber therapy (99183)361 services
4. Removal of muscle and/or tissue, 20.0 sq cm or less (11043)244 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)239 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 cholesterol75%
• Arthritis66%
• Diabetes50%
• Ischemic heart disease50%
• Chronic kidney disease43%

Hospitals where William A. Holland Iv works

Medicare's Facility Affiliation Data lists William A. Holland Iv 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.

• BSA HospitalAmarillo, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450231

Practice locations

Addresses where William A. Holland Iv is enrolled with Medicare (CMS data updated October 2, 2026).

• 1000 S Coulter St, Suite 100Amarillo, TX 79106 (806) 212‑4701
• 1600 Wallace BlvdAmarillo, TX 79106 (806) 212‑2129
• 1751 Wallace BlvdAmarillo, TX 79106 (806) 359‑4673

Group practices

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

• BSA Physicians Group Inc122 clinicians in the group

Specialties

• Internal Medicineprimary
• Undersea and Hyperbaric Medicinealso

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Amarillo

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

• Sandra Mostaccio-Sweeney, MD
• John R. Chandler, MD
• Adrian P. Pay, MD
• Jordan Hartman, DO
• Ricardo J. Carrizo, MD
• Salil K. Trehan, MD
• Lawson Ishalaiye, MD
• Brian C. Weis, MD

All internal medicine doctors in Amarillo →

Other clinicians in BSA Physicians Group Inc

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

• Devon S. Brock, NP
• Farah Aljuboory, MD
• Priya Mahajan, MD
• Randy L. Stewart, MD
• Travis J. Vowels, MD
• Royce Armstrong, AU

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