JEFFREY S DIRST CRNA
NPI 1700804598
Nurse Anesthetist, Certified Registered in Lake Forest, IL
About Jeffrey S Dirst Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY S DIRST CRNA (NPI 1700804598) is an individual nurse anesthetist, certified registered in Lake Forest, Illinois, licensed in Illinois (209004596) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
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 S Dirst Crna 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
5Medicare enrollment records show Jeffrey Dirst reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lake Barrington, IL 60010
- Reassigned Medicare billing, Illinois enrollment
- 17 clinicians in this Medicare group
Pleasant Prairie, WI 53158
- Reassigned Medicare billing, Wisconsin enrollment
- 16 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 385 clinicians in this Medicare group
Elgin, IL 60123
- Reassigned Medicare billing, Illinois enrollment
- 235 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Lake Forest Hospital
Acute Care Hospitals · Lake Forest, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60045 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.
LAKE FOREST, IL 60045
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 Dirst's NPI number?
The NPI number for Jeffrey Dirst is 1700804598. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Jeffrey Dirst located?
Jeffrey Dirst practices at 1000 N Westmoreland Rd, Lake Forest, IL 60045. The listed phone number is (847) 234-5600.
What is Jeffrey Dirst's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Jeffrey Dirst enrolled in Medicare?
Yes. Jeffrey Dirst 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 Jeffrey Dirst's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Dirst reassigns Medicare benefits to 5 organizations: Aspen Anesthesia, PC (Lake Barrington, IL), Polykarpos Anesthesia LLC (Pleasant Prairie, WI), Northwestern Medical Faculty Foundation (Carol Stream, IL), Midwest Anesthesia Partners, LLC (Chicago, IL) and Illinois Gastroenterology Group, LLC (Elgin, 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 Jeffrey Dirst's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jeffrey Dirst affiliated with any hospitals?
According to CMS data, Jeffrey Dirst is affiliated with Northwestern Lake Forest Hospital.
When was this NPI record last updated?
The NPPES record for Jeffrey Dirst was last updated on April 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.