NPPES file of Aug 9, 2026

Rona Zel Silkiss, M.D.

Ophthalmology Physician · Oakland, CA

Rona Zel Silkiss, M.D. is an ophthalmology physician with a practice address in Oakland, California, and NPI 1790758209, issued on Feb 7, 2006. Check the license (California G45822, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790758209
Name
Rona Zel Silkiss
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
G45822 CA
Self-reported in NPPES; status is on the state search
Practice location
400 29TH St, Oakland, CA 94609
Phone
(510) 763-0881
Enumerated
Feb 7, 2006
Record last updated
Oct 27, 2023
Fax
(510) 763-0907
Medicaid ID
1790758209 CA
Medicare enrollment
Enrolled (PECOS I20150106000046); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 1980
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 400 29TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wallace Allen, L.AC.Acupuncturist1588701809
  2. Jason AlvarezMental Health Counselor1336681972
  3. Joel Ambrosio, PA-CPhysician Assistant1154628105
  4. Leigh Barnett, MSWSocial Worker1790010106
  5. Mahaila Berman, B.ACase Manager/Care Coordinator1497121677
  6. Michelle BuenoCounselor1568848810

Verify Rona Zel Silkiss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G45822
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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33% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,022 Medicare Part D claims for 614 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Rona Silkiss1,022
  2. Specialty average1,518

Most prescribed

  1. Erythromycin474 claims
  2. Tobramycin-Dexamethasone165 claims
  3. Doxycycline Hyclate88 claims
  4. Neomycin-Polymyxin-Dexameth78 claims
  5. Fluticasone Propionate60 claims
  6. Polymyxin B Sul-Trimethoprim24 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 82.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%36.6
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $243.77

5 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rona Silkiss$243.77
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Eye Care Center OF Napa Valley A Medical CorporationNapa, CA
  2. North Bay Eye Associates, A Medical CorporationHealdsburg, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

Other ophthalmology physician records in California

  1. Sam Abbassi, MD, MSWest Hills, CA1881937720
  2. Richard Abbott, M.D.San Francisco, CA1346276573
  3. Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
  4. Nizar Abdelfattah, MDPasadena, CA1801359393
  5. Parastou Abedi, MDAliso Viejo, CA1720067333
  6. Shahla Abedi, MDAliso Viejo, CA1467431072
  7. Lilit Ablabutyan, M.D.Glendale, CA1497013064
  8. Nathan Abraham, M.D.Valencia, CA1306224456
  9. James Abrams, M.D.San Bruno, CA1912903329
  10. Adam Abroms, MDWestlake Village, CA1497743702

Common questions

What is Rona Zel Silkiss, M.D.'s NPI number?

Rona Zel Silkiss, M.D.'s National Provider Identifier (NPI) is 1790758209, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rona Zel Silkiss, M.D. located?

The NPPES record lists a practice address at 400 29TH St, Oakland, CA, 94609. Phone: (510) 763-0881. Providers update this record themselves, so call before visiting.

How can I verify Rona Zel Silkiss, M.D.'s license?

NPPES lists California license number G45822, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Rona Zel Silkiss, M.D. prescribe under Medicare Part D?

In 2024, Rona Zel Silkiss, M.D. had 1,022 Medicare Part D claims for 614 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Rona Zel Silkiss, M.D.'s MIPS final score?

The 2023 MIPS final score is 82.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.