Quick answers
- Does Tanya D. Markis Meyer accept Medicare assignment?
- Yes. Medicare's clinician data says Tanya D. Markis Meyer 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 Tanya D. Markis Meyer see?
- In 2024, CMS data shows 500 Original Medicare patients and 1,540 services for Tanya D. Markis Meyer. This counts Original Medicare only and measures volume, not quality.
- What is Tanya D. Markis Meyer's NPI number?
- 1164457891. 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 Tanya D. Markis Meyer, 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 | 500 |
|---|---|
| Services billed to Medicare | 1,540 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Photography of the retina (92250)454 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)319 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)266 services
- Exam of visual field with extended testing (92083)140 services
- Imaging of optic nerve (92133)110 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 pressure57%
- Arthritis41%
- Osteoporosis19%
- Anxiety18%
- Depression15%
Practice locations
Addresses where Tanya D. Markis Meyer is enrolled with Medicare (CMS data updated October 2, 2026).
- 670 Sutton WayGrass Valley, CA 95945
- 998 Plaza DrGrass Valley, CA 95945 (530) 273‑6000
Group practices
Medicare enrollment lists Tanya D. Markis Meyer as a member of this group (CMS data updated October 2, 2026).
- Grass Valley Eye Care Optometric, Inc.2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Grass Valley
Clinicians with the same Medicare primary specialty in Grass Valley, CA — not a recommendation.
Other clinicians in Grass Valley Eye Care Optometric, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | University Alabama Birmingham - School Of Optometry |
| Graduation year | 1996 (30 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164457891 |
| 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