Quick answers
- Does Nicholas B. Grissom accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas B. Grissom 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 Nicholas B. Grissom see?
- In 2024, CMS data shows 295 Original Medicare patients and 1,296 services for Nicholas B. Grissom. This counts Original Medicare only and measures volume, not quality.
- What is Nicholas B. Grissom's NPI number?
- 1376075366. 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 Nicholas B. Grissom, 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 | 295 |
|---|---|
| Services billed to Medicare | 1,296 |
| Different services or procedures | 27 |
| 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)253 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)187 services
- Imaging of optic nerve (92133)165 services
- Exam of visual field with extended testing (92083)142 services
- Exam of the internal drainage system of eye (92020)96 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 cholesterol74%
- Arthritis38%
- Diabetes34%
- Chronic kidney disease25%
- Ischemic heart disease24%
Practice locations
Addresses where Nicholas B. Grissom is enrolled with Medicare (CMS data updated October 2, 2026).
- 3312 Battleground AveGreensboro, NC 27410 (336) 282‑5000
- 725 Highland Oaks Dr, Suite 101Winston Salem, NC 27103 (336) 659‑8180
Group practices
Medicare enrollment lists Nicholas B. Grissom as a member of this group (CMS data updated October 2, 2026).
- Carolina Eye Associates Inc39 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Greensboro
Clinicians with the same Medicare primary specialty in Greensboro, NC — not a recommendation.
Other clinicians in Carolina Eye Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wake Forest University School Of Medicine |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376075366 |
| 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