DR. FRANK JOSEPH WESCHLER M.D.
NPI 1114099173
Internal Medicine in Glenview, IL
About Dr. Frank Joseph Weschler M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FRANK JOSEPH WESCHLER M.D. (NPI 1114099173) is an individual internal medicine provider in Glenview, Illinois, licensed in Illinois (036-059638) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Tufts University School Of Medicine (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Frank Joseph Weschler 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 Reassignment
Medicare enrollment records show Frank Weschler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Glenview, IL 60026
- Reassigned Medicare billing, Illinois enrollment
- 10 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 14
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, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60026 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
GLENVIEW, IL 60026
GLENVIEW, IL 60026
GLENVIEW, IL 60026
GLENVIEW, IL 60026
GLENVIEW, IL 60026
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 Frank Weschler's NPI number?
The NPI number for Frank Weschler is 1114099173. It was assigned to this individual provider in the NPPES registry on November 14, 2006.
Where is Frank Weschler located?
Frank Weschler practices at 2501 Compass Rd Suite 100, Glenview, IL 60026. The listed phone number is (847) 901-5200.
What is Frank Weschler's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Frank Weschler enrolled in Medicare?
Yes. Frank Weschler 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 Frank Weschler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Weschler reassigns Medicare benefits to Covenant Medical Group, LLC (Glenview, 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 Frank Weschler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Frank Weschler accept?
Health plans from Oscar Health list Frank Weschler 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.
Is Frank Weschler affiliated with any hospitals?
According to CMS data, Frank Weschler is affiliated with Northshore University Healthsystem - Evanston Hospital and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Frank Weschler was last updated on March 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.