DR. DARREN EUGENE KOENIG O.D.
NPI 1467416818
Optometrist in Chicago, IL
About Dr. Darren Eugene Koenig O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DARREN EUGENE KOENIG O.D. (NPI 1467416818) is an individual optometrist in Chicago, Illinois, licensed in Illinois (0460112373) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Darren Eugene Koenig O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Darren Koenig reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60616
- Reassigned Medicare billing, Illinois enrollment
- 143 clinicians in this Medicare group
Marlboro, MA 01752
- Reassigned Medicare billing, Massachusetts enrollment
- 7 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60616 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Darren Koenig's NPI number?
The NPI number for Darren Koenig is 1467416818. It was assigned to this individual provider in the NPPES registry on April 13, 2006.
Where is Darren Koenig located?
Darren Koenig practices at 3241 S Michigan Ave, Chicago, IL 60616. The listed phone number is (312) 949-7751.
What is Darren Koenig's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Darren Koenig enrolled in Medicare?
Yes. Darren Koenig is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Darren Koenig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Darren Koenig reassigns Medicare benefits to 2 organizations: Illinois College Of Optometry (Chicago, IL) and Jewell Eye Inc (Marlboro, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Darren Koenig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Darren Koenig accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 9 other insurers list Darren Koenig as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Darren Koenig was last updated on January 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Darren Eugene Koenig, O.D. · NPI 1467416818
Optometrist provider in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since April 13, 2006.
## Identity
- **NPI:** 1467416818 (Entity type: Individual)
- **Enumerated:** April 13, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 0460112373 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3241 S MICHIGAN AVE, Chicago, IL 60616-4201
- **Phone:** (312) 949-7751
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Illinois College Of Optometry (NPI 1285612390, Chicago, IL); Jewell Eye Inc (NPI 1760663298, Marlboro, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** January 10, 2019
- **Other identifiers:** Medicaid 178403501 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1467416818) · Data from the CMS NPPES public registry.