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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. Andrew Lam
๐Ÿ‘๏ธ
MDIndividual

Andrew Lam, M.D.

NPI: 1952375586
Springfield, MA
10 years of data
Ophthalmology
$6.2M
Total Payments
28.6K
Beneficiaries
81.5K
Services
3.55x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$6.2M
Specialty median$383.7K

๐Ÿ“‹ Key Findings

1Billed $6.2M over 10 years
23.55x markup ratio (above median)
397th percentile in Ophthalmology by payments
411 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $6.2M in total Medicare payments ranks in the 97th 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

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$840.72$299.612.81x$541.11$559.3K6.9K2.8K
2015$1.0K$331.943.07x$687.51$547.5K7.0K2.6K
2016$871.14$262.863.31x$608.28$536.2K7.3K2.7K
2017$520.46$132.593.93x$387.87$447.0K7.2K2.5K
2018$873.86$262.103.33x$611.76$549.5K7.8K2.8K
2019$1.1K$304.823.53x$771.47$720.0K9.1K3.5K
2020$636.99$179.633.55x$457.36$677.2K9.4K3.0K
2021$377.91$147.482.56x$230.43$699.8K8.6K2.4K
2022$633.92$181.043.50x$452.88$708.5K8.8K3.0K
2023$668.14$174.913.82x$493.23$800.2K9.4K3.3K

Top Procedures (20)

67028Injection of drug into eyeโš  6.2x markup
$1.6M
16.9K services$92.45/svc6.22x markup
J0178Injection, aflibercept, 1 mg
$863.7K
1.2K services$731.32/svc1.44x markup
J9035Injection, bevacizumab, 10 mg
$823.5K
15.2K services$54.08/svc2.64x markup
92134Diagnostic imaging of retinaโš  3.2x markup
$808.3K
24.8K services$32.61/svc3.17x markup
92012Eye and medical examination for diagnosis and treatment, established patient
$714.6K
10.7K services$66.61/svc2.43x markup
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visitsโš  3.1x markup
$430.4K
4.8K services$90.39/svc3.15x markup
99204New patient office or other outpatient visit, typically 45 minutes
$194.9K
1.6K services$124.23/svc2.41x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$182.7K
2.7K services$67.01/svc2.03x markup
67108Repair of detached retina and drainage of eye fluid between lens and retinaโš  3.8x markup
$146.3K
135 services$1.1K/svc3.78x markup
67228Laser destruction of leaking retinal blood vessels, 1 or more sessionsโš  4.6x markup
$117.7K
270 services$435.84/svc4.59x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$73.8K
901 services$81.92/svc2.59x markup
67145Preventive retinal detachment treatment by heat or laser, 1 or more sessionsโš  3.1x markup
$69.6K
177 services$393.22/svc3.08x markup
67041Removal of membrane from the retinaโš  3.2x markup
$60.5K
64 services$945.11/svc3.17x markup
67042Removal of membrane from the retina, pars plana approachโš  3.9x markup
$44.5K
43 services$1.0K/svc3.86x markup
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits
$37.6K
341 services$110.32/svc2.72x markup
76512Ultrasound of eye disease, growth, or structureโš  8.9x markup
$37.1K
646 services$57.44/svc8.93x markup
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg
$22.3K
104 services$214.55/svc1.96x markup
92250Photography of the retinaโš  3.6x markup
$18.6K
386 services$48.28/svc3.61x markup
67113Repair of detached retina and drainage of eye fluid between lens and retinaโš  3.6x markup
$15.7K
14 services$1.1K/svc3.65x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$5.9K
141 services$41.98/svc2.16x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
67028Injection of drug into eye16.9K$1.6M$92.456.22x
J0178Injection, aflibercept, 1 mg1.2K$863.7K$731.321.44x
J9035Injection, bevacizumab, 10 mg15.2K$823.5K$54.082.64x
92134Diagnostic imaging of retina24.8K$808.3K$32.613.17x
92012Eye and medical examination for diagnosis and treatment, established patient10.7K$714.6K$66.612.43x
92014Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits4.8K$430.4K$90.393.15x
99204New patient office or other outpatient visit, typically 45 minutes1.6K$194.9K$124.232.41x
99213Established patient office or other outpatient visit, typically 15 minutes2.7K$182.7K$67.012.03x
67108Repair of detached retina and drainage of eye fluid between lens and retina135$146.3K$1.1K3.78x
67228Laser destruction of leaking retinal blood vessels, 1 or more sessions270$117.7K$435.844.59x
99214Established patient office or other outpatient, visit typically 25 minutes901$73.8K$81.922.59x
67145Preventive retinal detachment treatment by heat or laser, 1 or more sessions177$69.6K$393.223.08x
67041Removal of membrane from the retina64$60.5K$945.113.17x
67042Removal of membrane from the retina, pars plana approach43$44.5K$1.0K3.86x
92004Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits341$37.6K$110.322.72x
76512Ultrasound of eye disease, growth, or structure646$37.1K$57.448.93x
Q5128Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg104$22.3K$214.551.96x
92250Photography of the retina386$18.6K$48.283.61x
67113Repair of detached retina and drainage of eye fluid between lens and retina14$15.7K$1.1K3.65x
99212Established patient office or other outpatient visit, typically 10 minutes141$5.9K$41.982.16x

Markup Analysis

Charge-to-Payment Ratio

3.55x

This provider submits charges 3.55 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.55x means for every $100 Medicare pays, this provider initially charges $355. This is higher than the national average.

Location

Springfield, MA

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 MA for peer comparison.

Andrew Lam (you)
$6.2M
Torsten Wiegand, MD
$49.8M
David Reed, M.D.
$44.2M
Chirag Shah, MD
$34.3M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Torsten Wiegand, MDBoston, MA$49.8Mโœ“ Clear
David Reed, M.D.Plymouth, MA$44.2Mโœ“ Clear
Chirag Shah, MDBoston, MA$34.3Mโœ“ 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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