Nathan Froehner, CRNA
Certified Registered Nurse Anesthetist · Mason City, IA
Nathan Froehner, CRNA is a certified registered nurse anesthetist with a practice address in Mason City, Iowa, and NPI 1699015164, issued on Feb 21, 2013. Check the license with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathan Froehner
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- Practice location
- 1000 4TH St SW, Mason City, IA 50401
- Phone
- (641) 428-7000
- Enumerated
- Feb 21, 2013
- Entity
- Type 1 · individual
Also registered at 1000 4TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Luna Acharya, MDInternal Medicine Physician1609224674
- Jenna AdamsMental Health Counselor1407790710
- Sheela Ahari, MDAnesthesiology Physician1518910462
- Tauseef Akhtar, MDCardiovascular Disease Physician1508218009
- Emad Alamouti-Fard, MDFamily Medicine Physician1811821499
Verify Nathan Froehner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2 hospital and facility affiliations
- Waverly Health CenterWaverly, IA · Critical Access Hospitals5 of 5 stars
- North Iowa Mercy ClinicsMason City, 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.
13 certified registered nurse anesthetist records list a Mason City practice address
They are 13 of the 866 NPPES records with a Mason City practice address, and 504 certified registered nurse anesthetist records in Iowa.
All 13 in Mason City → All 504 in Iowa → Every provider in Mason City →
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 Nathan Froehner, CRNA's NPI number?
Nathan Froehner, CRNA's National Provider Identifier (NPI) is 1699015164, issued on Feb 21, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Froehner, CRNA located?
The NPPES record lists a practice address at 1000 4TH St SW, Mason City, IA, 50401. Phone: (641) 428-7000. Providers update this record themselves, so call before visiting.
How can I verify Nathan Froehner, CRNA's license?
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.