Quick answers
- Does Patricia B. Sierra accept Medicare assignment?
- Yes. Medicare's clinician data says Patricia B. Sierra 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 Patricia B. Sierra see?
- In 2024, CMS data shows 645 Original Medicare patients and 2,521 services for Patricia B. Sierra. This counts Original Medicare only and measures volume, not quality.
- What is Patricia B. Sierra's NPI number?
- 1710997895. 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 Patricia B. Sierra, 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 | 645 |
|---|---|
| Services billed to Medicare | 2,521 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Measurement of corneal curvature and depth of eye (92136)416 services
- Removal of cataract with insertion of prosthetic lens (66984)323 services
- Established patient problem focused exam of visual system (92012)314 services
- Imaging of retina (92134)268 services
- New patient complete exam of visual system (92004)169 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 cholesterol73%
- High blood pressure69%
- Arthritis47%
- Diabetes24%
- Chronic kidney disease21%
- Ischemic heart disease20%
Practice locations
Addresses where Patricia B. Sierra is enrolled with Medicare (CMS data updated October 2, 2026).
- 1515 Response RdSacramento, CA 95815 (916) 649‑1515
Group practices
Medicare enrollment lists Patricia B. Sierra as a member of this group (CMS data updated October 2, 2026).
- Sacramento Eye Consultants a Med Corp10 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Sacramento
Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.
Other clinicians in Sacramento Eye Consultants a Med Corp
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710997895 |
| 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