Robert Scott Feder, M.D.
Ophthalmology Physician · Chicago, IL
Robert Scott Feder, M.D. is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1700985652, issued on Sep 21, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert Scott Feder
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- Practice location
- 675 N Saint Clair St, Chicago, IL 60611
- Phone
- (312) 675-8150
- Enumerated
- Sep 21, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (312) 695-2315
- Medicare enrollment
- Enrolled (PECOS I20100723000920); accepts Medicare assignment
- Medical or professional school
- Northwestern University Womans Medical School, 1978
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 675 N Saint Clair St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Scott Feder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average ophthalmology physician in 2024
1,972 Medicare Part D claims for 408 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Prednisolone Acetate337 claims
- Latanoprost335 claims
- Brimonidine Tartrate218 claims
- Dorzolamide-Timolol138 claims
- Timolol Maleate110 claims
- Fluorometholone86 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): 94.1 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).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Scott Feder among 898 ophthalmology physician records in Illinois
Robert Scott Feder, M.D. 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1978 · median 1999 among the 551 with a school on file
- Record last updated2022 · 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).
Ophthalmology Physician providers in Illinois
There are 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Chicago → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ann Bidwell, MDChicago, IL 606111144296823
- Paul Bryar, MDChicago, IL 606111114986536
- Manjot Gill, MDChicago, IL 606111396776894
- Peter Holland, MDChicago, IL 606111720063605
- Lee Jampol, MDChicago, IL 606111073547303
- Alice Lyon, MDChicago, IL 606111992737969
- Jonathan McGlothan, M.D.Chicago, IL 606111154374973
- Rukhsana Mirza, M.D.Chicago, IL 606111033163530
Common questions
What is Robert Scott Feder, M.D.'s NPI number?
Robert Scott Feder, M.D.'s National Provider Identifier (NPI) is 1700985652, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Scott Feder, M.D. located?
The NPPES record lists a practice address at 675 N Saint Clair St, Chicago, IL, 60611. Phone: (312) 675-8150. Providers update this record themselves, so call before visiting.
How can I verify Robert Scott Feder, M.D.'s license?
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 Robert Scott Feder, M.D. prescribe under Medicare Part D?
In 2024, Robert Scott Feder, M.D. had 1,972 Medicare Part D claims for 408 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Robert Scott Feder, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 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.