DR. MICHAEL GERARD ZOST O.D.
NPI 1023060969
Optometrist in Northbrook, IL
About Dr. Michael Gerard Zost O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL GERARD ZOST O.D. (NPI 1023060969) is an individual optometrist in Northbrook, Illinois, licensed in Illinois (IL0467979) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (1985).
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. Michael Gerard Zost 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 Michael Zost reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Northfield, IL 60093
- Reassigned Medicare billing, Illinois enrollment
- 2 clinicians in this Medicare group
Chicago, IL 60611
- Reassigned Medicare billing, Illinois enrollment
- 144 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 9
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 60062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Michael Zost's NPI number?
The NPI number for Michael Zost is 1023060969. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Michael Zost located?
Michael Zost practices at 666 Dundee Rd Ste 1802, Northbrook, IL 60062. The listed phone number is (847) 716-2340.
What is Michael Zost's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Michael Zost enrolled in Medicare?
Yes. Michael Zost 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 Michael Zost's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Zost reassigns Medicare benefits to 2 organizations: Vision Rehabilitation Associates PC (Northfield, IL) and Medical Services Ric (Chicago, IL). 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 Michael Zost's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Zost accept?
Health plans from Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida, Oscar Health Plan of North Carolina, Inc and Oscar Health Plan, Inc. and 3 other insurers list Michael Zost 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 Michael Zost was last updated on September 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.