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Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
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ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Rona Silkiss
๐Ÿ‘๏ธ
MDIndividual

Rona Silkiss, M.D.

NPI: 1790758209
Oakland, CA
10 years of data
Ophthalmology
$3.8M
Total Payments
20.4K
Beneficiaries
23.0K
Services
3.72x
Markup Ratio

Peer Comparison

95th
percentile in specialty
This provider$3.8M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $3.8M over 10 years
23.72x markup ratio (above median)
395th percentile in Ophthalmology by payments
4Payments surged 56% in 2021
510 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.8M in total Medicare payments ranks in the 95th percentile of Ophthalmology providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

๐Ÿ“ˆ

Notable: Payments increased 56% in 2021

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

Submitted Charges vs. Medicare Payments

Average per-service amounts submitted by the provider compared to what Medicare actually paid โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$1.1K$282.663.99x$843.85$336.9K2.0K1.8K
2015$1.2K$247.994.75x$928.79$401.8K2.4K2.1K
2016$1.3K$261.344.88x$1.0K$405.8K2.5K2.2K
2017$1.3K$244.245.17x$1.0K$336.0K2.4K2.1K
2018$1.3K$267.254.85x$1.0K$367.3K2.4K2.1K
2019$1.4K$278.975.09x$1.1K$407.8K2.4K2.1K
2020$1.2K$269.574.48x$937.95$272.9K1.7K1.4K
2021$820.82$268.873.05x$551.95$426.3K2.5K2.2K
2022$847.32$280.183.02x$567.14$386.1K2.3K2.0K
2023$812.98$283.992.86x$528.99$460.0K2.5K2.3K

Top Procedures (20)

99204New patient office or other outpatient visit, typically 45 minutes
$827.3K
6.1K services$136.51/svc2.55x markup
15823Removal of excessive skin and fat of upper eyelidโš  4.1x markup
$644.9K
869 services$742.09/svc4.12x markup
67908Removal of tissue, muscle, and membrane to correct eyelid drooping or paralysisโš  6.5x markup
$304.7K
666 services$457.49/svc6.45x markup
67904Repair of tendon of upper eyelidโš  4.5x markup
$258.6K
388 services$666.44/svc4.53x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$204.1K
3.0K services$67.14/svc2.25x markup
67840Removal of eyelid growth
$182.2K
689 services$264.48/svc2.39x markup
67917Extensive repair of turning-outward eyelid defectโš  5.5x markup
$175.7K
441 services$398.39/svc5.54x markup
15260Relocation of patient skin to nose, ears, eyelids, and/or lips (20 sq centimeters or less)
$152.4K
209 services$729.33/svc2.41x markup
67971Reconstruction of up to two-thirds of the eyelid by transfer of opposite eyelid tissueโš  3.6x markup
$137.1K
215 services$637.76/svc3.65x markup
68720Creation of drainage tract from tear sac to the nasal cavityโš  4.3x markup
$128.2K
187 services$685.51/svc4.35x markup
67924Repair of turning-inward eyelid defectโš  5.3x markup
$123.3K
284 services$434.31/svc5.31x markup
64612Injection of chemical for destruction of nerve muscles on one side of faceโš  3.2x markup
$119.6K
968 services$123.58/svc3.18x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$110.4K
1.2K services$93.67/svc2.11x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$75.5K
1.8K services$40.98/svc2.49x markup
68840Probing of nasal-tear ductโš  4.2x markup
$56.9K
463 services$122.87/svc4.16x markup
92285Photography of content of eyes
$53.9K
2.6K services$20.71/svc2.64x markup
31239Incision of tear duct using an endoscope
$47.6K
85 services$559.65/svc2.88x markup
68815Probing of nasal-tear duct with insertion of tube or stentโš  9.0x markup
$47.1K
385 services$122.30/svc8.97x markup
68810Insertion of probe into the tear duct
$35.2K
148 services$237.92/svc2.35x markup
92083Measurement of field of vision during daylight conditions
$18.5K
310 services$59.60/svc2.49x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99204New patient office or other outpatient visit, typically 45 minutes6.1K$827.3K$136.512.55x
15823Removal of excessive skin and fat of upper eyelid869$644.9K$742.094.12x
67908Removal of tissue, muscle, and membrane to correct eyelid drooping or paralysis666$304.7K$457.496.45x
67904Repair of tendon of upper eyelid388$258.6K$666.444.53x
99213Established patient office or other outpatient visit, typically 15 minutes3.0K$204.1K$67.142.25x
67840Removal of eyelid growth689$182.2K$264.482.39x
67917Extensive repair of turning-outward eyelid defect441$175.7K$398.395.54x
15260Relocation of patient skin to nose, ears, eyelids, and/or lips (20 sq centimeters or less)209$152.4K$729.332.41x
67971Reconstruction of up to two-thirds of the eyelid by transfer of opposite eyelid tissue215$137.1K$637.763.65x
68720Creation of drainage tract from tear sac to the nasal cavity187$128.2K$685.514.35x
67924Repair of turning-inward eyelid defect284$123.3K$434.315.31x
64612Injection of chemical for destruction of nerve muscles on one side of face968$119.6K$123.583.18x
99214Established patient office or other outpatient, visit typically 25 minutes1.2K$110.4K$93.672.11x
99212Established patient office or other outpatient visit, typically 10 minutes1.8K$75.5K$40.982.49x
68840Probing of nasal-tear duct463$56.9K$122.874.16x
92285Photography of content of eyes2.6K$53.9K$20.712.64x
31239Incision of tear duct using an endoscope85$47.6K$559.652.88x
68815Probing of nasal-tear duct with insertion of tube or stent385$47.1K$122.308.97x
68810Insertion of probe into the tear duct148$35.2K$237.922.35x
92083Measurement of field of vision during daylight conditions310$18.5K$59.602.49x

Markup Analysis

Charge-to-Payment Ratio

3.72x

This provider submits charges 3.72 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.72x means for every $100 Medicare pays, this provider initially charges $372. This is higher than the national average.

Location

Oakland, CA

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Similar Providers

Other Ophthalmology providers in CA for peer comparison.

Rona Silkiss (you)
$3.8M
Nathan Steinle, M.D.
$63.1M
Stephen Couvillion, MD
$47.7M
Margaret Chang, M.D.
$47.6M
David Boyer, MD
$47.5M
Alessandro Castellarin, M.D.
$46.9M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Nathan Steinle, M.D.Santa Barbara, CA$63.1Mโœ“ Clear
Stephen Couvillion, MDSanta Barbara, CA$47.7Mโœ“ Clear
Margaret Chang, M.D.Sacramento, CA$47.6Mโœ“ Clear
David Boyer, MDLos Angeles, CA$47.5Mโœ“ Clear
Alessandro Castellarin, M.D.Santa Barbara, CA$46.9Mโœ“ Clear

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Data Sources

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข National Plan and Provider Enumeration System (NPPES)

Last Updated: February 2026 (data through 2023, the latest CMS release)

Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

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