1. Home
  2. Directory
  3. Illinois
  4. Park Ridge
  5. Nurse Anesthetist Certified Registered
  6. NPI Profile

KRISTEN G SCHAEFER
NPI 1437850641
Nurse Anesthetist, Certified Registered in Park Ridge, IL

Active since March 14, 2023PECOS EnrolledAccepts Medicare Assignment
1775 DEMPSTER ST, PARK RIDGE, IL 60068(847) 525-3942 Get Directions Write a Review

NPPES record last updated: October 24, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Kristen G Schaefer NPPES

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

KRISTEN G SCHAEFER (NPI 1437850641) is an individual nurse anesthetist, certified registered in Park Ridge, Illinois, licensed in Illinois (209028036) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Alexian Brothers Medical Center 1, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1437850641
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameKRISTEN G SCHAEFER
Location Address1775 DEMPSTER STPark Ridge, IL 60068-1143
Mailing Address2830 Prairie Wood DrOshkosh, WI 54904-8461 · (847) 525-3942
Phone(847) 525-3942
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 14, 2023
Last NPPES UpdateOctober 24, 2024
NPPES CertifiedOctober 24, 2024
✔ NPI 1437850641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in IL · 209028036
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License 253114 (WY)
1775 DEMPSTER ST, Park Ridge, IL 60068
Open in Google Maps ↗

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

Kristen G Schaefer 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 ID3072959360
PECOS Enrollment IDI20240308001897
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

5

Medicare enrollment records show Kristen Schaefer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Endeavor Health Medical Group
8.6 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235
Elmhurst Anesthesiologists, PC
10 mi
Anesthesiology
200 BERTEAU AVE
Elmhurst, IL 60126
  • Reassigned Medicare billing, Illinois enrollment
  • 81 clinicians in this Medicare group
NPI 1376586610 (630) 833-1400
Gip Anesthesia Services PLLC
20 mi
Anesthesiology
22285 N PEPPER RD STE 312
Lake Barrington, IL 60010
  • Reassigned Medicare billing, Illinois enrollment
  • 17 clinicians in this Medicare group
NPI 1821733726 (847) 382-4410
Illinois Gastroenterology Group, LLC
25 mi
Gastroenterology
745 FLETCHER DRIVE
Elgin, IL 60123
  • Reassigned Medicare billing, Illinois enrollment
  • 235 clinicians in this Medicare group
NPI 1316277817 (847) 888-1300
Northstar Anesthesia Of Illinois, LLC
816 mi
Anesthesiology
2000 E LAMAR BLVD STE 400
Arlington, TX 76006
  • Reassigned Medicare billing, Illinois enrollment
  • 735 clinicians in this Medicare group
NPI 1962822395 (817) 583-7421

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.

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.
50 services50 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.
42 services42 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.
30 services30 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
18 services18 patients

Hospital Affiliations CMS Care Compare

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

Alexian Brothers Medical Center 1

Acute Care Hospitals · Elk Grove Village, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140258
Location800 Biesterfield RdElk Grove Village, IL 60007 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60068 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MS. STACEY K VILIONE PA-C
Physician Assistant (Surgical)
1775 DEMPSTER ST
PARK RIDGE, IL 60068
Cook County (847) 723-2210
SANDRA KROSCHEL
Nurse's Aide
1775 DEMPSTER ST
PARK RIDGE, IL 60068
Cook County (847) 723-2210
OLUWATOSIN OLAYEYE APRN
Nurse Practitioner (Critical Care Medicine)
1775 DEMPSTER ST
PARK RIDGE, IL 60068
Cook County (773) 895-5075
PAMELA LYNN DUFFEY RN BSN CEN TNS
Registered Nurse (Emergency)
1775 DEMPSTER ST
PARK RIDGE, IL 60068
Cook County (847) 723-5150
BETH MARIE HILLMAN DO
Emergency Medicine
1775 DEMPSTER ST
PARK RIDGE, IL 60068
Cook County (847) 723-5150
HYO-JIN KIM M.D.
Hospitalist
1775 DEMPSTER ST
PARK RIDGE, IL 60068
Cook County (847) 723-2210
ALEC WESOLOWSKI
Pharmacist
1775 DEMPSTER ST
PARK RIDGE, IL 60068
Cook County (847) 273-7519
DR. LISA ELAINE LAURENZANA MD
Physical Medicine & Rehabilitation
1775 DEMPSTER ST
PARK RIDGE, IL 60068
Cook County (847) 723-2210

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 Kristen Schaefer's NPI number?

The NPI number for Kristen Schaefer is 1437850641. It was assigned to this individual provider in the NPPES registry on March 14, 2023.

Where is Kristen Schaefer located?

Kristen Schaefer practices at 1775 Dempster St, Park Ridge, IL 60068. The listed phone number is (847) 525-3942.

What is Kristen Schaefer's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Kristen Schaefer enrolled in Medicare?

Yes. Kristen Schaefer 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 Kristen Schaefer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Schaefer reassigns Medicare benefits to 5 organizations: Endeavor Health Medical Group (Evanston, IL), Elmhurst Anesthesiologists, PC (Elmhurst, IL), Gip Anesthesia Services PLLC (Lake Barrington, IL), Illinois Gastroenterology Group, LLC (Elgin, IL) and Northstar Anesthesia Of Illinois, LLC (Arlington, TX). 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 Kristen Schaefer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Kristen Schaefer affiliated with any hospitals?

According to CMS data, Kristen Schaefer is affiliated with Alexian Brothers Medical Center 1.

When was this NPI record last updated?

The NPPES record for Kristen Schaefer was last updated on October 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.