DR. RONA ZEL SILKISS (M.D.) – Ophthalmology Physician, NPI 1790758209
Ophthalmology Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,665 OPHTHALMOLOGY in CA
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Provider Addresses for DR. RONA ZEL SILKISS (M.D.)
Summit Professional Building, 400, 29th Street, Northgate / Koreatown, Oakland, Alameda County, California, 94612, United States
SUITE 315
OAKLAND, CA 946093522
Phone: (510) 763-0881
Fax: (510) 763-0907
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $359.
Total Amount is formed as General ($359) + Research ($0) + Ownership ($0) = $359.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Amgen Inc. ($244).
Total Amount
$359
General + Research + Ownership
Payments
10
Total payment records
General Amount
$359
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $244 |
| Horizon Therapeutics plc | $69 |
| Bausch & Lomb Americas Inc. | $47 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2015-01-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20150106000046 | I | Ophthalmology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0585 | Injection, onabotulinumtoxina, 1 unit | 9,557 | 39 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 742 | 742 | $0 |
| 92285 | Photography of content of eyes | 335 | 333 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 289 | 231 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 207 | 146 | $0 |
Insurance plans in this area (ZIP 94609)
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Provider's Procedures
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