F David Cox, M.D.
Ophthalmology Physician · Naperville, IL
F David Cox, M.D. is an ophthalmology physician with a practice address in Naperville, Illinois, and NPI 1528081684, issued on Jul 26, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- F David Cox
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- Practice location
- 1855 Bay Scott Cir, Naperville, IL 60540
- Phone
- (630) 357-5280
- Enumerated
- Jul 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (630) 357-5367
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 1855 Bay Scott Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Debartolo, M.D.Ophthalmology Physician1659392868
- Jogin Jose, MDOphthalmology Physician1417489238
- Eric Kim, MDOphthalmology Physician1326576968
Verify F David Cox 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
54% fewer Medicare Part D claims than the average ophthalmology physician in 2024
701 Medicare Part D claims for 152 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Latanoprost246 claims
- Timolol Maleate118 claims
- Dorzolamide Hcl57 claims
- Lumigan43 claims
- Brimonidine Tartrate39 claims
- Dorzolamide-Timolol26 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.
Industry payments in 2024: $34.88
1 payment: food and beverage; the largest payer was Abbvie 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.
F David Cox among 898 ophthalmology physician records in Illinois
F David Cox, 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 fileNo · 61% of these records are
- Record last updated2007 · 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 Naperville → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Charles Ahn, MDNaperville, IL 605401942260278
- Daniel Debartolo, M.D.Naperville, IL 605401659392868
- Anurag Gupta, MDNaperville, IL 605401942224712
- Jogin Jose, MDNaperville, IL 605401417489238
- Eric Kim, MDNaperville, IL 605401326576968
- Shantan Reddy, MD MPHNaperville, IL 605401881724995
- Scott Stoller, MDNaperville, IL 605401912007154
- Karl Fritz, M.D.Plainfield, IL 605441487949202
Common questions
What is F David Cox, M.D.'s NPI number?
F David Cox, M.D.'s National Provider Identifier (NPI) is 1528081684, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is F David Cox, M.D. located?
The NPPES record lists a practice address at 1855 Bay Scott Cir, Naperville, IL, 60540. Phone: (630) 357-5280. Providers update this record themselves, so call before visiting.
How can I verify F David Cox, 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 F David Cox, M.D. prescribe under Medicare Part D?
In 2024, F David Cox, M.D. had 701 Medicare Part D claims for 152 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
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.