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WARREN D BONTRAGER M.D.
NPI 1194702944
Anesthesiology in South Bend, IN

Active since December 22, 2005PECOS EnrolledAccepts Medicare Assignment
416 E. MONROE ST, SUITE 200, SOUTH BEND, IN 46601(574) 232-8119(574) 288-0235 Get Directions Write a Review

NPPES record last updated: October 6, 2008. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Warren D Bontrager M.d. NPPES

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

WARREN D BONTRAGER M.D. (NPI 1194702944) is an individual anesthesiology provider in South Bend, Indiana, licensed in Indiana (01030959) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Goshen Hospital, and is a graduate of University Of Michigan Medical School (1980).

NPPES Registry Identity

NPI1194702944
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameWARREN D BONTRAGERCredential: M.D.
Location Address416 E. MONROE ST, SUITE 200South Bend, IN 46601-2360
Mailing Address416 E. Monroe St, Suite 200South Bend, IN 46601-2360 · (574) 232-8119 · Fax (574) 288-0235
Phone(574) 232-8119
Fax(574) 288-0235
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1980
Enumeration DateDecember 22, 2005
Last NPPES UpdateOctober 6, 2008
✔ NPI 1194702944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in IN · 01030959
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.
416 E. MONROE ST, South Bend, IN 46601
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Other Identifiers 3

Medicare ID-Type Unspecified236080SIN
Medicaid200165400IN
Medicare UPINA74421IN

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

Warren D Bontrager 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.

PECOS PAC ID3375738123
PECOS Enrollment IDI20101108000020
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 Warren Bontrager reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Australia Anesthesia Management LLC
23 mi
Anesthesiology
200 HIGH PARK AVE
Goshen, IN 46526
  • Reassigned Medicare billing, Indiana enrollment
  • 83 clinicians in this Medicare group
NPI 1700601903 (574) 364-1000
Southeast Anesthesiologists, Inc.
140 mi
Anesthesiology
8111 S EMERSON AVE
Indianapolis, IN 46237
  • Reassigned Medicare billing, Indiana enrollment
  • 125 clinicians in this Medicare group
NPI 1548210685 (317) 528-3447

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 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.
22 services22 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.
15 services15 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.
14 services14 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.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Goshen Hospital

Acute Care Hospitals · Goshen, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150026
Location200 High Park AveGoshen, IN 46526 · Elkhart County
Emergency services Birthing friendly

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 Warren Bontrager's NPI number?

The NPI number for Warren Bontrager is 1194702944. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Where is Warren Bontrager located?

Warren Bontrager practices at 416 E. Monroe St Suite 200, South Bend, IN 46601. The listed phone number is (574) 232-8119.

What is Warren Bontrager's specialty?

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

Is Warren Bontrager enrolled in Medicare?

Yes. Warren Bontrager 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 Warren Bontrager's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Warren Bontrager reassigns Medicare benefits to 2 organizations: Australia Anesthesia Management LLC (Goshen, IN) and Southeast Anesthesiologists, Inc. (Indianapolis, IN). 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 Warren Bontrager's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Warren Bontrager affiliated with any hospitals?

According to CMS data, Warren Bontrager is affiliated with Goshen Hospital.

When was this NPI record last updated?

The NPPES record for Warren Bontrager was last updated on October 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.