Quick answers
- Does Deanna G. Cornelius accept Medicare assignment?
- Yes. Medicare's clinician data says Deanna G. Cornelius 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 Deanna G. Cornelius see?
- In 2024, CMS data shows 49 Original Medicare patients and 317 services for Deanna G. Cornelius. This counts Original Medicare only and measures volume, not quality.
- What is Deanna G. Cornelius's NPI number?
- 1982716437. 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 Deanna G. Cornelius, 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 | 49 |
|---|---|
| Services billed to Medicare | 317 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 55 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)106 services
- Injection of drug or substance under skin or into muscle (96372)98 services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)85 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 cholesterol59%
- High blood pressure57%
- Anxiety37%
- Diabetes35%
- Depression31%
- COPD22%
Practice locations
Addresses where Deanna G. Cornelius is enrolled with Medicare (CMS data updated October 2, 2026).
- 448 Lakeshore Pkwy, Suite 110Rock Hill, SC 29730 (803) 329‑3177
- 524 Doctors CtChester, SC 29706 (803) 581‑8311
Group practices
Medicare enrollment lists Deanna G. Cornelius as a member of this group (CMS data updated October 2, 2026).
- South Carolina Dept of Mental Health Accounting Office221 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Rock Hill
Clinicians with the same Medicare primary specialty in Rock Hill, SC — not a recommendation.
Other clinicians in South Carolina Dept of Mental Health Accounting Office
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1982716437 |
| 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
- 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