Quick answers
- Does Joseph W. O Quinn accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph W. O Quinn 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 Joseph W. O Quinn see?
- In 2024, CMS data shows 779 Original Medicare patients and 4,707 services for Joseph W. O Quinn. This counts Original Medicare only and measures volume, not quality.
- What is Joseph W. O Quinn's NPI number?
- 1568410223. 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 Joseph W. O Quinn, 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 | 779 |
|---|---|
| Services billed to Medicare | 4,707 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)2,519 services
- Testing for presence of drug, by chemistry analyzers (80307)734 services
- Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (G0481)704 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)561 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)61 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%
- Arthritis75%
- High cholesterol74%
- Anxiety40%
- Diabetes37%
- Depression34%
Hospitals where Joseph W. O Quinn works
Medicare's Facility Affiliation Data lists Joseph W. O Quinn 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.
- Prisma Health Baptist Easley HospitalEasley, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420015
- Prisma Health Greenville Memorial HospitalGreenville, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 420078
Practice locations
Addresses where Joseph W. O Quinn is enrolled with Medicare (CMS data updated October 2, 2026).
- 115 Brushy Creek RdEasley, SC 29642 (864) 635‑0376
Group practices
Medicare enrollment lists Joseph W. O Quinn as a member of this group (CMS data updated October 2, 2026).
- CSP Enterprises LLC12 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Easley
Clinicians with the same Medicare primary specialty in Easley, SC — not a recommendation.
Other clinicians in CSP Enterprises LLC
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 | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568410223 |
| 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