John Haak, CRNA, ARNP
Certified Registered Nurse Anesthetist · Spencer, IA
John Haak, CRNA, ARNP is a certified registered nurse anesthetist with a practice address in Spencer, Iowa, and NPI 1437313715, issued on Jul 15, 2008. Check the license (Iowa D-112804, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Haak
- Credential
- CRNA, ARNP
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- D-112804 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 1St Ave E, Spencer, IA 51301
- Phone
- (712) 264-6164
- Enumerated
- Jul 15, 2008
- Entity
- Type 1 · individual
Also registered at 1200 1St Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cameron Andela, STUDENTStudent in an Organized Health Care Education/Training Program1740867241
- Eric Anderson, CRNACertified Registered Nurse Anesthetist1205801917
- Paul Anderson, D.O.Psychiatry Physician1215924006
- Robert Appel, CRNACertified Registered Nurse Anesthetist1790750495
- Benjamin Armstrong, CRNACertified Registered Nurse Anesthetist1174845564
- Laura Armstrong, ARNPHospitalist Physician1548782964
Verify John Haak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license D-112804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Industry payments in 2024: $22.76
1 payment, mostly food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 20,000 providers of this specialty with any payment received $133.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- Spencer Municipal HospitalSpencer, IA · Acute Care Hospitals4 of 5 stars
- Northwest Iowa Anesthesia AssociatesSpencer, IA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
10 certified registered nurse anesthetist records list a Spencer practice address
They are 10 of the 346 NPPES records with a Spencer practice address, and 504 certified registered nurse anesthetist records in Iowa.
All 10 in Spencer → All 504 in Iowa → Every provider in Spencer →
Other certified registered nurse anesthetist records in Iowa
- Alissa AbelDes Moines, IA1124888599
- Lydia AdamsDecorah, IA1538584131
- Seth Additon, DNP, CRNAManchester, IA1336848282
- John Aker, CRNA, MSIowa City, IA1265490577
- Robert Albin, CRNADes Moines, IA1164542502
- Carla Aldrich, CRNAClarion, IA1659589828
- Kathryn Allen, CRNA, ARNPIowa City, IA1376574954
- Blake AltenhofenIowa City, IA1396431557
- Dale Althaus, CRNAAmes, IA1023072220
- Emily Anderson, CRNASioux City, IA1174933238
Common questions
What is John Haak, CRNA, ARNP's NPI number?
John Haak, CRNA, ARNP's National Provider Identifier (NPI) is 1437313715, issued on Jul 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Haak, CRNA, ARNP located?
The NPPES record lists a practice address at 1200 1St Ave E, Spencer, IA, 51301. Phone: (712) 264-6164. Providers update this record themselves, so call before visiting.
How can I verify John Haak, CRNA, ARNP's license?
NPPES lists Iowa license number D-112804, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.