Dr. Jeffrey Parnell, M.D.
What this data tells you about Dr. Parnell
Dr. Jeffrey Parnell is an ophthalmology specialist in Chicago, IL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Parnell performed 15,653 Medicare services across 4,160 unique beneficiaries.
Between the years covered by Open Payments, Dr. Parnell received a total of $26,727 from 11 pharmaceutical and/or device companies across 22 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in ophthalmology. The majority of payments are classified as financial or ownership interests (royalties, licensing fees, or investment interests). Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Parnell is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Eye injection (Vabysmo/faricimab) An injection of faricimab-svoa, a medication administered in 0.1 mg doses. |
3,240 | $29 | $44 |
| Retinal imaging (OCT scan) This procedure involves imaging the retina to visualize its structure. It is used to examine the back of the eye. |
3,105 | $31 | $96 |
| Aflibercept eye injection (Eylea) | 2,780 | $693 | $1,200 |
| Eye injection for retinal disease A procedure involving the administration of medication directly into the eye. |
2,063 | $90 | $350 |
| Extended exam of back of eye with optic nerve drawing A detailed examination of the posterior section of the eye, including the optic nerve, with documentation through drawing. |
1,663 | $12 | $53 |
| Comprehensive eye exam, established patient A comprehensive examination of the visual system performed for a patient who has previously been seen by the provider. |
1,659 | $93 | $262 |
| Bevacizumab injection, 10 mg Administration of a 10 mg dose of bevacizumab medication via injection. |
586 | $55 | $127 |
| Pegcetacoplan intravitreal injection, 1 mg An injection of pegcetacoplan administered into the vitreous humor of the eye. The dose specified is 1 milligram. |
241 | $120 | $167 |
| Comprehensive eye exam, new patient A comprehensive examination of the visual system performed for a new patient. |
132 | $106 | $313 |
| Extended eye exam with retinal drawing A detailed examination of the back of the eye that includes creating a drawing of the retina. |
132 | $19 | $57 |
| Retinal photography (fundus photo) This procedure involves taking photographs of the retina, the light-sensitive tissue at the back of the eye. It is used to document the condition of the eye's interior structures. |
30 | $25 | $168 |
| Ultrasound of eye tissue and structures A diagnostic imaging test that uses sound waves to create pictures of the eye's internal tissues and structures. |
22 | $35 | $195 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Payments are distributed across multiple categories with no single dominant type. Total industry engagement is in the top 9% for ophthalmology in IL.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Parnell is a mixed practice specialist, with above-average Medicare volume (top 7% in IL), with mixed engagement industry engagement in the top 9% of IL peers, with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Parnell experienced with eye injection (vabysmo/faricimab)?
Does Dr. Parnell receive payments from pharmaceutical companies?
How do Dr. Parnell's costs compare to other ophthalmologists in Chicago?
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Is this data up to date?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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