Quick answers
- Does Rona Z. Silkiss accept Medicare assignment?
- Yes. Medicare's clinician data says Rona Z. Silkiss 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 Rona Z. Silkiss see?
- In 2024, CMS data shows 1,120 Original Medicare patients and 12,842 services for Rona Z. Silkiss. This counts Original Medicare only and measures volume, not quality.
- What is Rona Z. Silkiss's NPI number?
- 1790758209. 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 Rona Z. Silkiss, 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 | 1,120 |
|---|---|
| Services billed to Medicare | 12,842 |
| Different services or procedures | 56 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)10,210 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)655 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)313 services
- Photography of content of eyes (92285)297 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)206 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 pressure66%
- Arthritis46%
- Osteoporosis23%
- Ischemic heart disease22%
- Diabetes21%
Hospitals where Rona Z. Silkiss works
Medicare's Facility Affiliation Data lists Rona Z. Silkiss at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050043
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050047
- California Pacific Medical Center-Davies Campus HospitalSan Francisco, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050008
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050180
Practice locations
Addresses where Rona Z. Silkiss is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 100 Tamal Plz, Suite 120Corte Madera, CA 94925 (510) 763‑0881
- 1310 Prentice Dr, Suite FHealdsburg, CA 95448 (707) 433‑9475
- 1805 El Camino Real, Suite 100Palo Alto, CA 94306 (510) 763‑0881
- 1820 San Miguel DrWalnut Creek, CA 94596 (510) 763‑0881
- 380 Tesconi CtSanta Rosa, CA 95401 (707) 544‑3375
Group practices
Medicare enrollment lists Rona Z. Silkiss as a member of these groups (CMS data updated October 2, 2026).
- North Bay Eye Associates, a Medical Corporation11 clinicians in the group
- Eye Care Center of Napa Valley a Medical Corporation7 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Corte Madera
Clinicians with the same Medicare primary specialty in Corte Madera, CA — not a recommendation.
Other clinicians in North Bay Eye Associates, a Medical Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790758209 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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