1. Home
  2. Directory
  3. Illinois
  4. Lake Forest
  5. Anesthesiology
  6. NPI Profile

GEORGE HEFNER MD
NPI 1548279649
Anesthesiology in Lake Forest, IL

Active since August 07, 2006PECOS EnrolledAccepts Medicare Assignment
660 N WESTMORELAND RD, LAKE FOREST, IL 60045(847) 535-6100 Get Directions Write a Review

NPPES record last updated: July 25, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About George Hefner Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEORGE HEFNER MD (NPI 1548279649) is an individual anesthesiology provider in Lake Forest, Illinois, licensed in Illinois (036083805) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1548279649
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameGEORGE HEFNERCredential: MD
Location Address660 N WESTMORELAND RDLake Forest, IL 60045-1659
Mailing Address921 Sherwood DrLake Bluff, IL 60044-2203
Phone(847) 535-6100
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateAugust 7, 2006
Last NPPES UpdateJuly 25, 2022
NPPES CertifiedJuly 25, 2022
✔ NPI 1548279649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in IL · 036083805✔ Licensed in WI · 57253
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
660 N WESTMORELAND RD, Lake Forest, IL 60045
Open in Google Maps ↗

Secondary Practice Location 1

Location 12900 W Oklahoma AveMilwaukee, WI 53215-4330 · Phone (414) 649-6000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).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

George Hefner 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.

PECOS PAC ID2365330529
PECOS Enrollment IDI20220723000386
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show George Hefner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vituity-Wisconsin Anesthesia Sc
22 mi
Anesthesiology
9555 76TH ST
Pleasant Prairie, WI 53158
  • Reassigned Medicare billing, Wisconsin enrollment
  • 210 clinicians in this Medicare group
NPI 1821831975 (262) 577-8000
Aurora Medical Group, Inc.
51 mi
Family Medicine
3301 W FOREST HOME AVE
Milwaukee, WI 53215
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1427271378 (877) 576-3544

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
25 services23 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
24 services23 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
19 services19 patients
Anesthesia for other closed procedure on chest 00520
Anesthesia for a closed chest procedure involves the use of medications to block sensation, ensuring you don't feel pain during the procedure. It can be general (you're asleep) or regional (part of your body is numbed). This helps maintain comfort and safety.
14 services14 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
13 services13 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140116
Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County
Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Ascension Columbia St Mary's Hospital Milwaukee

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520051
Location2323 N Lake DrMilwaukee, WI 53211 · Milwaukee County
Emergency services Birthing friendly

Ascension St Francis Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520078
Location3237 S 16th StMilwaukee, WI 53215 · Milwaukee County
Emergency services

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520136
Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County
Emergency services Birthing friendly

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.

DR. JOHN CHONGWON LEE M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 535-6217
ROBERT J HARTMAN MD SC
Obstetrics & Gynecology
660 N WESTMORELAND RD, SUITE 302
LAKE FOREST, IL 60045
Lake County (847) 615-2229
DR. VIKRAM KANAKAYYA DEVISETTY M.D., M.B.A., M.P.H.
Hospitalist
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 234-5600
ARISTEIDIE DIVERIS
Anesthesiology
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 535-6100
MRS. MADONNA NMI STOIOFF M.A.
Audiologist
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (846) 535-6114
MS. KAITLIN E MASTALERZ PA-C
Physician Assistant
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 234-5600
MRS. AMY LOUISE BARNARD APN
Clinical Nurse Specialist (Critical Care Medicine)
660 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 535-6375
NORTHEAST RADIOLOGY ASSOCIATES, S.C.
Clinic/Center (Radiology)
660 N WESTMORELAND RD, RADIOLOGY DEPARTMENT
LAKE FOREST, IL 60045
Lake County (847) 535-6313

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 George Hefner's NPI number?

The NPI number for George Hefner is 1548279649. It was assigned to this individual provider in the NPPES registry on August 7, 2006.

Where is George Hefner located?

George Hefner practices at 660 N Westmoreland Rd, Lake Forest, IL 60045. The listed phone number is (847) 535-6100.

What is George Hefner's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is George Hefner enrolled in Medicare?

Yes. George Hefner 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 George Hefner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Hefner reassigns Medicare benefits to 2 organizations: Vituity-Wisconsin Anesthesia Sc (Pleasant Prairie, WI) and Aurora Medical Group, Inc. (Milwaukee, WI). 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 George Hefner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does George Hefner accept?

Health plans from CareSource (Common Ground Healthcare) list George Hefner 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 George Hefner affiliated with any hospitals?

According to CMS data, George Hefner is affiliated with Northwestern Medicine Mchenry, Northwestern Lake Forest Hospital, Ascension Columbia St Mary's Hospital Milwaukee, Ascension St Francis Hospital and Ascension SE Wisconsin Hospital.

When was this NPI record last updated?

The NPPES record for George Hefner was last updated on July 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.