Mark J. Benjamin, MD
Ophthalmology Physician · La Grange Highlands, IL
Mark J. Benjamin, MD is an ophthalmology physician with a practice address in La Grange Highlands, Illinois, and NPI 1366433138, issued on Nov 2, 2005. Check the license (Illinois 036095352, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark J. Benjamin
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 036095352 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5201 Willow Springs RD, La Grange Highlands, IL 60525
- Phone
- (708) 354-2008
- Enumerated
- Nov 2, 2005
- Record last updated
- Feb 25, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (708) 354-2092
- Medicare enrollment
- Enrolled (PECOS I20050329000026); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1993
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 5201 Willow Springs RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark J. Benjamin 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 036095352Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average ophthalmology physician in 2024
355 Medicare Part D claims for 150 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Latanoprost59 claims
- Lotemax Sm30 claims
- Prednisone23 claims
- Timolol Maleate23 claims
- Amoxicillin-Clavulanate Potass22 claims
- Difluprednate21 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 MIPS final score for 2023 (Medicare payment program): 91.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $110,874.81
26 payments; by number, the most common kind was food and beverage; the largest payer was Optos, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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.
Mark J. Benjamin among 898 ophthalmology physician records in Illinois
Mark J. Benjamin, MD is one of 898 ophthalmology physician records with a practice address in Illinois. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1993 · median 1999 among the 551 with a school on file
- Record last updated2009 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 ophthalmology physician records list a practice address in La Grange Highlands
They are 2 of the 85 NPPES records with a practice address in La Grange Highlands, and 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in La Grange Highlands → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Bruce Fick, MDLa Grange Highlands, IL 605251134110422
- John Hackett, M.D.La Grange, IL 605251386920205
- Michael Glavin, M. D.La Grange Park, IL 605261437102886
- Robert Gorsich, M.D.Oak Brook, IL 605231497842736
- Neerav Lamba, M.D.Oak Brook, IL 605231396030094
- Ana Loduca, MDBurr Ridge, IL 605271457417602
- William Mieler, MDBurr Ridge, IL 605271366508517
- Kathleen Ackman Blake, MDHinsdale, IL 605211497734966
Common questions
What is Mark J. Benjamin, MD's NPI number?
Mark J. Benjamin, MD's National Provider Identifier (NPI) is 1366433138, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Benjamin, MD located?
The NPPES record lists a practice address at 5201 Willow Springs RD, La Grange Highlands, IL, 60525. Phone: (708) 354-2008. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Benjamin, MD's license?
NPPES lists Illinois license number 036095352, 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 Mark J. Benjamin, MD prescribe under Medicare Part D?
In 2024, Mark J. Benjamin, MD had 355 Medicare Part D claims for 150 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Mark J. Benjamin, MD's MIPS final score?
The 2023 MIPS final score is 91.7 of 100. 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.