Quick answers
- Does David R. Czerny accept Medicare assignment?
- Medicare's clinician data says David R. Czerny may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does David R. Czerny see?
- In 2024, CMS data shows 349 Original Medicare patients and 651 services for David R. Czerny. This counts Original Medicare only and measures volume, not quality.
- What is David R. Czerny's NPI number?
- 1235417148. 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 David R. Czerny, 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 | 349 |
|---|---|
| Services billed to Medicare | 651 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient complete exam of visual system (92014)262 services
- Photography of the retina (92250)117 services
- Imaging of retina (92134)70 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
- Imaging of optic nerve (92133)32 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 cholesterol56%
- High blood pressure54%
- Arthritis34%
- Diabetes20%
- Osteoporosis17%
- Ischemic heart disease16%
Practice locations
Addresses where David R. Czerny is enrolled with Medicare (CMS data updated October 2, 2026).
- 1236 N AveSpearfish, SD 57783 (605) 642‑2645
- 88 Charles StDeadwood, SD 57732 (605) 578‑1761
Group practices
Medicare enrollment lists David R. Czerny as a member of these groups (CMS data updated October 2, 2026).
- Deadwood Eye Care LLC2 clinicians in the group
- Mountain Valley Vision Center2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Spearfish
Clinicians with the same Medicare primary specialty in Spearfish, SD — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2011 (15 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1235417148 |
| 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