Quick answers
- Does Jill N. Warfield-Ziegert accept Medicare assignment?
- Medicare's clinician data says Jill N. Warfield-Ziegert may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Jill N. Warfield-Ziegert see?
- In 2024, CMS data shows 82 Original Medicare patients and 98 services for Jill N. Warfield-Ziegert. This counts Original Medicare only and measures volume, not quality.
- What is Jill N. Warfield-Ziegert's NPI number?
- 1669507976. 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 Jill N. Warfield-Ziegert, 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 | 82 |
|---|---|
| Services billed to Medicare | 98 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)52 services
- New patient complete exam of visual system (92004)14 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 pressure70%
- High cholesterol67%
- Arthritis41%
- Diabetes22%
- Osteoporosis21%
- Ischemic heart disease17%
Practice locations
Addresses where Jill N. Warfield-Ziegert is enrolled with Medicare (CMS data updated October 2, 2026).
- 6502 Grape RdMishawaka, IN 46545 (574) 277‑7723
Group practices
Medicare enrollment lists Jill N. Warfield-Ziegert as a member of this group (CMS data updated October 2, 2026).
- Family First Vision Care Indiana LLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Mishawaka
Clinicians with the same Medicare primary specialty in Mishawaka, IN — not a recommendation.
Other clinicians in Family First Vision Care Indiana LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Illinois College Of Optometry At Chicago |
| Graduation year | 1992 (34 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1669507976 |
| 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