Quick answers
- Does Kristin O. Bretz accept Medicare assignment?
- Yes. Medicare's clinician data says Kristin O. Bretz 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 Kristin O. Bretz see?
- In 2024, CMS data shows 566 Original Medicare patients and 2,260 services for Kristin O. Bretz. This counts Original Medicare only and measures volume, not quality.
- What is Kristin O. Bretz's NPI number?
- 1578856431. 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 Kristin O. Bretz, 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 | 566 |
|---|---|
| Services billed to Medicare | 2,260 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)547 services
- Measurement of corneal curvature and depth of eye (92136)275 services
- Removal of cataract with insertion of prosthetic lens (66984)240 services
- Imaging of optic nerve (92133)207 services
- Exam of visual field with extended testing (92083)185 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 pressure64%
- High cholesterol63%
- Arthritis41%
- Diabetes25%
- Ischemic heart disease21%
- Chronic kidney disease21%
Practice locations
Addresses where Kristin O. Bretz is enrolled with Medicare (CMS data updated October 2, 2026).
- 755 E 3900Salt Lake City, UT 84107 (801) 266‑2283
Group practices
Medicare enrollment lists Kristin O. Bretz as a member of this group (CMS data updated October 2, 2026).
- Eye Institute of Utah Inc10 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Salt Lake City
Clinicians with the same Medicare primary specialty in Salt Lake City, UT — not a recommendation.
Other clinicians in Eye Institute of Utah Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578856431 |
| 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