DR. JACK ARMSTRONG YORK D.O
NPI 1033645023
Family Medicine in Waukegan, IL
About Dr. Jack Armstrong York D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACK ARMSTRONG YORK D.O (NPI 1033645023) is an individual family medicine provider in Waukegan, Illinois, licensed in Illinois (036.153237) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2017).
NPPES Registry Identity
Specialties & Licenses
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. Jack Armstrong York D.o 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 Reassignment
Medicare enrollment records show Jack York reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Evanston, IL 60202
- Reassigned Medicare billing, Illinois enrollment
- 383 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60085 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 18
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 Jack York's NPI number?
The NPI number for Jack York is 1033645023. It was assigned to this individual provider in the NPPES registry on May 11, 2017.
Where is Jack York located?
Jack York practices at 2323 Grand Ave, Waukegan, IL 60085. The listed phone number is (847) 666-3494.
What is Jack York's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jack York enrolled in Medicare?
Yes. Jack York 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 organization bills Medicare for Jack York's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jack York reassigns Medicare benefits to Erie Family Health Center Inc (Evanston, IL). The 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 Jack York's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jack York accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Jack York 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 Jack York was last updated on August 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Jack Armstrong York, D.O · NPI 1033645023
Family Medicine physician in Waukegan, Illinois. Individual provider, active in the CMS NPPES registry since May 11, 2017.
## Identity
- **NPI:** 1033645023 (Entity type: Individual)
- **Enumerated:** May 11, 2017
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036.153237 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2323 GRAND AVE, Waukegan, IL 60085-3312
- **Phone:** (847) 666-3494
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Erie Family Health Center Inc (NPI 1629328836, Evanston, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2017
## Record status
- **NPPES last updated:** August 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1033645023) · Data from the CMS NPPES public registry.