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KARL ELLIOTT TERWILLIGER MD
NPI 1669426060
Anesthesiology in Waterloo, IA

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment
1825 LOGAN AVE, WATERLOO, IA 50703(319) 235-3886(319) 233-1630 Get Directions Write a Review

NPPES record last updated: September 12, 2007. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Karl Elliott Terwilliger Md NPPES

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

KARL ELLIOTT TERWILLIGER MD (NPI 1669426060) is an individual anesthesiology provider in Waterloo, Iowa, licensed in Iowa (34416) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Allen Hospital, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (1992).

NPPES Registry Identity

NPI1669426060
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameKARL ELLIOTT TERWILLIGERCredential: MD
Location Address1825 LOGAN AVEWaterloo, IA 50703-1916
Mailing AddressPo Box 2758Waterloo, IA 50704-2758 · (319) 235-5390 · Fax (319) 233-1630
Phone(319) 235-3886
Fax(319) 233-1630
Sole ProprietorNo
Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 1992
Enumeration DateMay 20, 2006
Last NPPES UpdateSeptember 12, 2007
✔ NPI 1669426060 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in IA · 34416
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.
1825 LOGAN AVE, Waterloo, IA 50703
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Other Identifiers 5

Medicare UPINF79819
Medicaid0250993IA
Other43625IA · Wellmark Ins
Other421417307F6IA · John Deere Health Ins
Medicare ID-Type UnspecifiedI4959IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karl Elliott Terwilliger 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 ID840334561
PECOS Enrollment IDI20100218000842
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.

Areas of Expertise CMS Part B claims 5

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
48 services46 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
32 services31 patients
Insertion of probe in esophagus for heart ultrasound 93313
This procedure involves placing a small probe in your esophagus. The probe, connected to an ultrasound machine, helps capture detailed images of your heart. This non-surgical, minimally invasive procedure provides valuable information about your heart's structure and function.
22 services22 patients
Anesthesia for heart artery bypass grafting on heart-lung machine 00567
Anesthesia for heart artery bypass grafting on a heart-lung machine involves administering medications to induce sleep and eliminate pain during surgery. The heart-lung machine takes over heart and lung functions, ensuring blood flow and oxygen supply to the body.
18 services18 patients
Ultrasonic guidance for needle placement 76942
Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Allen Hospital

Acute Care Hospitals · Waterloo, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160110
Location1825 Logan AvenueWaterloo, IA 50703 · Black Hawk 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. KEERAN GHANDIVEL MD
Anesthesiology
1825 LOGAN AVE
WATERLOO, IA 50703
Black Hawk County (319) 235-3886
MS. AMANDA L. VERVAECKE A.R.N.P.
Nurse Practitioner
1825 LOGAN AVE, WOUND & OSTOMY CLINIC
WATERLOO, IA 50703
Black Hawk County (319) 235-3121
TAYLOR KRISTIN KLINE PA, RDN
Physician Assistant
1825 LOGAN AVE
WATERLOO, IA 50703
Black Hawk County (319) 235-3941
ALLEN MEMORIAL HOSPITAL CORPORATION LAB
Clinical Medical Laboratory
1825 LOGAN AVE
WATERLOO, IA 50703
Black Hawk County (319) 235-3941
ELVIS SABIC ARNP
Nurse Practitioner (Family)
1825 LOGAN AVE
WATERLOO, IA 50703
Black Hawk County (319) 235-3941
DR. PRADEEP MANJANBAIL RAMESH MD
Internal Medicine
1825 LOGAN AVE
WATERLOO, IA 50703
Black Hawk County (319) 235-3838
SUSAN MUELLER PHARMD
Pharmacist
1825 LOGAN AVE
WATERLOO, IA 50703
Black Hawk County (319) 235-3510
HANNAH LEIGH KELLEY LMSW
Social Worker (Clinical)
1825 LOGAN AVE
WATERLOO, IA 50703
Black Hawk County (563) 271-7700

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 Karl Terwilliger's NPI number?

The NPI number for Karl Terwilliger is 1669426060. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Karl Terwilliger located?

Karl Terwilliger practices at 1825 Logan Ave, Waterloo, IA 50703. The listed phone number is (319) 235-3886.

What is Karl Terwilliger's specialty?

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

Is Karl Terwilliger enrolled in Medicare?

Yes. Karl Terwilliger 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.

What insurance does Karl Terwilliger accept?

Health plans from Medica list Karl Terwilliger 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 Karl Terwilliger affiliated with any hospitals?

According to CMS data, Karl Terwilliger is affiliated with Allen Hospital.

When was this NPI record last updated?

The NPPES record for Karl Terwilliger was last updated on September 12, 2007. 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.