Jeffrey R. Parnell, M.D.
Retina Specialist (Ophthalmology) Physician · Chicago, IL
Jeffrey R. Parnell, M.D. is a retina specialist (ophthalmology) physician with a practice address in Chicago, Illinois, and NPI 1902873722, issued on Mar 1, 2006. Check the license (Illinois 036-095676, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jeffrey R. Parnell
- Credential
- M.D.
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License number
- 036-095676 IL
Self-reported in NPPES; status is on the state search - Practice location
- 7447 W Talcott Ave Ste 345, Chicago, IL 60631
- Phone
- (847) 972-2700
- Enumerated
- Mar 1, 2006
- Record last updated
- Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 972-2712
- Medicaid IDs
- 036095676 03 IL
036095676 02 IL - Medicare enrollment
- Enrolled (PECOS I20070222000363); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 72 in Illinois → Look up another NPI →
Verify Jeffrey R. Parnell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-095676Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
206 Medicare Part D claims for 57 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Prednisolone Acetate47 claims
- Timolol Maleate42 claims
- Latanoprost28 claims
- Ketorolac Tromethamine14 claims
- Brimonidine Tartrate-Timolol12 claims
- Dorzolamide-Timolol12 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): 87 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $174.87
6 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Retina Services OF Illinois, LLCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey R. Parnell among 72 retina specialist (ophthalmology) physician records in Illinois
Jeffrey R. Parnell, M.D. is one of 72 retina specialist (ophthalmology) physician records with a practice address in Illinois. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 24% of them.
- NPI issued2006 · 24% of these records are older, 57% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated1993 · median 2006 among the 63 with a school on file
- Record last updated2021 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Illinois
There are 72 retina specialist (ophthalmology) physician records in Illinois.
All 72 in Illinois → Every provider in Chicago → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Saagar Pandit, MDChicago, IL 606301598253437
- Rouzbeh AbbasgholizadehChicago, IL 606371881510030
- Rahul Komati, MDChicago, IL 606371164840906
- Paulpoj Chiranand, MDChicago, IL 606161639377260
- James Green, M.D.Chicago, IL 606161154322790
- Shaun Ittiara, M.D.Chicago, IL 606161992995542
- Henry Feng, M.D.Chicago, IL 606121538522834
- Ismini Koulouri, MD, PHDChicago, IL 606121881217552
Common questions
What is Jeffrey R. Parnell, M.D.'s NPI number?
Jeffrey R. Parnell, M.D.'s National Provider Identifier (NPI) is 1902873722, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey R. Parnell, M.D. located?
The NPPES record lists a practice address at 7447 W Talcott Ave Ste 345, Chicago, IL, 60631. Phone: (847) 972-2700. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey R. Parnell, M.D.'s license?
NPPES lists Illinois license number 036-095676, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey R. Parnell, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey R. Parnell, M.D. had 206 Medicare Part D claims for 57 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
What is Jeffrey R. Parnell, M.D.'s MIPS final score?
The 2023 MIPS final score is 87 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.