Quick answers
- Does William J. Hollins Ii accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Hollins Ii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does William J. Hollins Ii see?
- In 2024, CMS data shows 2,452 Original Medicare patients and 6,028 services for William J. Hollins Ii. This counts Original Medicare only and measures volume, not quality.
- What is William J. Hollins Ii's NPI number?
- 1164422820. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William J. Hollins Ii, 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.
| Original Medicare patients | 2,452 |
|---|---|
| Services billed to Medicare | 6,028 |
| Different services or procedures | 79 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,331 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,087 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)663 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)509 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)502 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%
- Arthritis56%
- Ischemic heart disease51%
- Diabetes45%
- Chronic kidney disease42%
Hospitals where William J. Hollins Ii works
Medicare's Facility Affiliation Data lists William J. Hollins Ii 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.
- Newberry County Memorial HospitalNewberry, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420053
- Prisma Health BaptistColumbia, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420086
- Prisma Health Baptist ParkridgeColumbia, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420106
- Prisma Health Richland HospitalColumbia, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420018
- Prisma Health Tuomey HospitalSumter, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420070
Practice locations
Addresses where William J. Hollins Ii is enrolled with Medicare (CMS data updated October 2, 2026).
- 8 Richland Medical Park Dr, Suite 300Columbia, SC 29203 (803) 256‑6511
Group practices
Medicare enrollment lists William J. Hollins Ii as a member of this group (CMS data updated October 2, 2026).
- Prisma Health Medical Group-Midlands1,068 clinicians in the group
Specialties
- Sleep Medicineprimary
Other sleep medicine doctors in South Carolina
Clinicians with the same Medicare primary specialty in South Carolina — not a recommendation.
Other clinicians in Prisma Health Medical Group-Midlands
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164422820 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians