JEFFREY REID TRIMARK MD
NPI 1295781680
Internal Medicine in Glenview, IL
About Jeffrey Reid Trimark Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY REID TRIMARK MD (NPI 1295781680) is an individual internal medicine provider in Glenview, Illinois, licensed in Illinois (036157173) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of University Of Chicago, Pritzker School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Jeffrey Reid Trimark Md 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 Jeffrey Trimark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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 6
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, ILSwedish Hospital
Acute Care Hospitals · Chicago, 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 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Jeffrey Trimark's NPI number?
The NPI number for Jeffrey Trimark is 1295781680. It was assigned to this individual provider in the NPPES registry on May 26, 2006.
Where is Jeffrey Trimark located?
Jeffrey Trimark practices at 2050 Pfingsten Rd Ste 2000, Glenview, IL 60026. The listed phone number is (847) 503-2222.
What is Jeffrey Trimark's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jeffrey Trimark enrolled in Medicare?
Yes. Jeffrey Trimark 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 Jeffrey Trimark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Trimark reassigns Medicare benefits to Endeavor Health Medical Group (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 Jeffrey Trimark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jeffrey Trimark accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Jeffrey Trimark 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 Jeffrey Trimark affiliated with any hospitals?
According to CMS data, Jeffrey Trimark is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.
When was this NPI record last updated?
The NPPES record for Jeffrey Trimark was last updated on July 29, 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.