ISAAC ALBERT BUTLER (CRNA) – Certified Registered Nurse Anesthetist, NPI 1003470451
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 ISAAC ALBERT BUTLER (CRNA)
1245 ALEXANDER WAY UNIT 304
NORTH LIBERTY, IA 523178909
Phone: (712) 461-1574
Type: Mailing
University of Iowa Hospitals & Clinics, 200, Hawkins Drive, Iowa City, Johnson County, Iowa, 52245, United States
IOWA CITY, IA 522421009
Phone: (800) 777-8442
Type: Location
1200 1ST AVE E
SPENCER, IA 513014342
Phone: (712) 461-1574
Type: Mailing
712 W MAIN ST
MANCHESTER, IA 520571525
Phone: (563) 822-1435
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2021-06-23
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 |
|---|---|---|---|---|
| I20210623001204 | 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 | 122 | 106 | $0 |
| 64450 | Injection of anesthetic agent and/or steroid into other nerve or branch | 45 | 39 | $0 |
| 64447 | Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 34 | 34 | $0 |
| 01402 | Anesthesia for procedure for total knee joint replacement | 32 | 32 | $0 |
| 00910 | Anesthesia for other procedure on urinary system through urethra | 30 | 29 | $0 |
Insurance plans in this area (ZIP 52317)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | IA | |
| - | IA | |
| Family Practice, Emergency Medicine | IA | |
| Certified Registered Nurse Anesthetist (Crna) | IA | |
| Certified Registered Nurse Anesthetist (Crna) | IA | |
| Physician Assistant | IA | |
| Nurse Practitioner | IA | |
| Family Practice, Emergency Medicine | IA | |
| Certified Registered Nurse Anesthetist (Crna) | IA | |
| Certified Registered Nurse Anesthetist (Crna) | IA |
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