KARL ELLIOTT TERWILLIGER (MD) – Anesthesiology Physician, NPI 1669426060
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
556 ANESTHESIOLOGY in IA
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Provider Addresses for KARL ELLIOTT TERWILLIGER (MD)
Waterloo Post Office, East 4th Street, Waterloo, Monroe County, Illinois, 62298, United States
WATERLOO, IA 507042758
Phone: (319) 235-5390
Fax: (319) 233-1630
Type: Mailing
1825, Logan Avenue, Waterloo, Black Hawk County, Iowa, 50703, United States
WATERLOO, IA 507031916
Phone: (319) 235-3886
Fax: (319) 233-1630
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $94.
Total Amount is formed as General ($94) + Research ($0) + Ownership ($0) = $94.
Last reported payment date: 2024-09-18 • Largest payer in this snapshot: Getinge USA Sales, LLC ($81).
Total Amount
$94
General + Research + Ownership
Payments
3
Total payment records
General Amount
$94
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Getinge USA Sales, LLC | $81 |
| Becton, Dickinson and Company | $13 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-02-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100218000842 | I | Anesthesiology | IA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 39 | 39 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 29 | 28 | $0 |
| 00567 | Anesthesia for heart artery bypass grafting on heart-lung machine | 18 | 18 | $0 |
| 93313 | Insertion of probe in esophagus for heart ultrasound | 14 | 14 | $0 |
| 76942 | Ultrasonic guidance for needle placement | 11 | 11 | $0 |
Insurance plans in this area (ZIP 50704)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | IA | 00790 | Anesthesia for procedure in upper abdomen including use of an endoscope | 16 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Infectious Disease, Internal Medicine | IA | |
| Family Practice | IA | |
| Internal Medicine, Hospitalist | IL | |
| - | IA | |
| - | IA | |
| - | IA | |
| Nurse Practitioner | IA | |
| Physician Assistant | IA | |
| - | IA |
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