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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. Lori Birndorf
๐Ÿ‘๏ธ
DOIndividual

Lori Birndorf, D.O

NPI: 1881636496
Valley Village, CA
10 years of data
Ophthalmology
$6.7M
Total Payments
46.3K
Beneficiaries
62.0K
Services
1.55x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$6.7M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $6.7M over 10 years
21.55x markup ratio
397th percentile in Ophthalmology by payments
41 procedure with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $6.7M in total Medicare payments ranks in the 97th percentile of Ophthalmology providers nationally.

65% of their billing comes from a single procedure code (92014 โ€” Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits).

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

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$130.70$75.431.73x$55.27$648.3K6.7K5.1K
2015$132.61$75.081.77x$57.53$642.9K6.5K5.0K
2016$134.16$75.721.77x$58.44$667.8K6.3K4.9K
2017$131.84$74.081.78x$57.76$700.2K6.8K5.0K
2018$144.53$82.221.76x$62.31$714.1K6.9K5.1K
2019$149.71$87.631.71x$62.08$798.7K7.2K5.3K
2020$149.59$87.391.71x$62.20$513.7K4.4K3.5K
2021$152.46$86.531.76x$65.93$672.0K5.7K4.1K
2022$157.50$85.361.85x$72.14$648.3K5.6K4.1K
2023$181.75$80.202.27x$101.55$664.2K5.8K4.3K

Top Procedures (7)

92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits
$4.4M
40.1K services$109.02/svc1.55x markup
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits
$1.8M
13.8K services$130.22/svc1.44x markup
92012Eye and medical examination for diagnosis and treatment, established patient
$419.5K
5.7K services$73.46/svc1.78x markup
67820Removal of eyelashes by forcepsโš  3.4x markup
$56.8K
1.6K services$34.64/svc3.44x markup
92020Examination of cornea and iris using lens device and slit lamp
$14.0K
602 services$23.22/svc2.62x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$9.6K
116 services$82.90/svc1.51x markup
92002Eye and medical examination for diagnosis and treatment, new patient
$5.0K
71 services$70.64/svc2.07x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits40.1K$4.4M$109.021.55x
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits13.8K$1.8M$130.221.44x
92012Eye and medical examination for diagnosis and treatment, established patient5.7K$419.5K$73.461.78x
67820Removal of eyelashes by forceps1.6K$56.8K$34.643.44x
92020Examination of cornea and iris using lens device and slit lamp602$14.0K$23.222.62x
99214Established patient office or other outpatient, visit typically 25 minutes116$9.6K$82.901.51x
92002Eye and medical examination for diagnosis and treatment, new patient71$5.0K$70.642.07x

Markup Analysis

Charge-to-Payment Ratio

1.55x

This provider submits charges 1.55 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.55x means for every $100 Medicare pays, this provider initially charges $155. This is lower than the national average.

Location

Valley Village, 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.

Lori Birndorf (you)
$6.7M
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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