DR. ALAN DAVID VANOPSTAL M.D.
NPI 1942448733
Emergency Medicine in Evanston, IL
About Dr. Alan David Vanopstal M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALAN DAVID VANOPSTAL M.D. (NPI 1942448733) is an individual emergency medicine provider in Evanston, Illinois, licensed in Illinois (036129941) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Skokie.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Alan David Vanopstal M.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 Alan Vanopstal reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Chicago, IL 60639
- Reassigned Medicare billing, Illinois enrollment
- 1,047 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 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northshore University Healthsystem - Evanston Hospital
Acute Care Hospitals · Evanston, ILJohn H Stroger Jr Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60201 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.
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.
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
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 Alan Vanopstal's NPI number?
The NPI number for Alan Vanopstal is 1942448733. It was assigned to this individual provider in the NPPES registry on February 2, 2009.
Where is Alan Vanopstal located?
Alan Vanopstal practices at 2650 Ridge Ave, Evanston, IL 60201. The listed phone number is (847) 570-2115.
What is Alan Vanopstal's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alan Vanopstal enrolled in Medicare?
Yes. Alan Vanopstal 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 Alan Vanopstal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Vanopstal reassigns Medicare benefits to 2 organizations: Endeavor Health Medical Group (Evanston, IL) and Cook County (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 Alan Vanopstal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alan Vanopstal affiliated with any hospitals?
According to CMS data, Alan Vanopstal is affiliated with Northshore University Healthsystem - Evanston Hospital and John H Stroger Jr Hospital.
When was this NPI record last updated?
The NPPES record for Alan Vanopstal was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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. Alan David Vanopstal, M.D. · NPI 1942448733
Emergency Medicine physician in Evanston, Illinois. Individual provider, active in the CMS NPPES registry since February 2, 2009.
## Identity
- **NPI:** 1942448733 (Entity type: Individual)
- **Enumerated:** February 2, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036129941 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2650 RIDGE AVE, Evanston, IL 60201-1718
- **Phone:** (847) 570-2115
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Endeavor Health Medical Group (NPI 1265695944, Evanston, IL); Cook County (NPI 1689794489, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Human Medicine, class of 2008
## Record status
- **NPPES last updated:** October 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1942448733) · Data from the CMS NPPES public registry.