JOHN ANTHON HAAK (CRNA, ARNP) – Certified Registered Nurse Anesthetist, NPI 1437313715
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
522 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in IA
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Provider Addresses for JOHN ANTHON HAAK (CRNA, ARNP)
818, East 9th Street, Spencer, Clay County, Iowa, 51301, United States
SPENCER, IA 513014923
Phone: (319) 330-8860
Type: Mailing
Spencer Hospital, 1200, 1st Avenue East, Spencer, Clay County, Iowa, 51301, United States
SPENCER, IA 513014342
Phone: (712) 264-6164
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $23.
Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.
Last reported payment date: 2024-07-31 • Largest payer in this snapshot: Pacira Pharmaceuticals Incorporated ($23).
Total Amount
$23
General + Research + Ownership
Payments
1
Total payment records
General Amount
$23
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Pacira Pharmaceuticals Incorporated | $23 |
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: 2010-06-08
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 |
|---|---|---|---|---|
| I20100608000821 | I | Certified Registered Nurse Anesthetist (Crna) | 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 |
|---|---|---|---|---|
| 00142 | Anesthesia for lens surgery | 52 | 51 | $0 |
| 64450 | Injection of anesthetic agent and/or steroid into other nerve or branch | 43 | 32 | $0 |
| 76942 | Ultrasonic guidance for needle placement | 25 | 25 | $0 |
| 01402 | Anesthesia for procedure for total knee joint replacement | 23 | 23 | $0 |
| 64447 | Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 20 | 20 | $0 |
Insurance plans in this area (ZIP 51301)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CERTIFIED REGISTERED NURSE ANESTHET | IA | 01402 | Anesthesia for open or endoscopic total knee joint replacement | 26 | 25 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | IA | |
| Certified Registered Nurse Anesthetist (Crna) | SD | |
| Certified Registered Nurse Anesthetist (Crna) | IA | |
| - | MN | |
| - | IA |
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