Quick answers
- Does Dana Griesmer accept Medicare assignment?
- Yes. Medicare's clinician data says Dana Griesmer 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 Dana Griesmer see?
- In 2024, CMS data shows 314 Original Medicare patients and 815 services for Dana Griesmer. This counts Original Medicare only and measures volume, not quality.
- What is Dana Griesmer's NPI number?
- 1417308388. 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 Dana Griesmer, 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 | 314 |
|---|---|
| Services billed to Medicare | 815 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Microfluid analysis of tears (83861)242 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)176 services
- Established patient complete exam of visual system (92014)129 services
- Imaging of optic nerve (92133)42 services
- Imaging of retina (92134)37 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 cholesterol75%
- High blood pressure64%
- Arthritis43%
- Anxiety23%
- Diabetes18%
- Ischemic heart disease18%
Practice locations
Addresses where Dana Griesmer is enrolled with Medicare (CMS data updated October 2, 2026).
- 2237 Crocker Rd, Suite 100Westlake, OH 44145 (440) 892‑3931
Group practices
Medicare enrollment lists Dana Griesmer as a member of this group (CMS data updated October 2, 2026).
- Whitestar Professional Corporation5 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Westlake
Clinicians with the same Medicare primary specialty in Westlake, OH — not a recommendation.
Other clinicians in Whitestar Professional Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Ohio State University - College Of Optometry |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417308388 |
| 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