Registry data as of Aug 27, 2026

Phillip Guillien

Certified Registered Nurse Anesthetist · Dubuque, IA

Phillip Guillien is a certified registered nurse anesthetist with a practice address in Dubuque, Iowa, and NPI 1265999809, issued on Mar 1, 2019. Check the license (Iowa 123934, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1265999809
Name
Phillip Guillien
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
123934 IA
Self-reported in NPPES; status is on the state search
Practice location
350 N Grandview Ave, Dubuque, IA 52001
Phone
(507) 459-2358
Enumerated
Mar 1, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 350 N Grandview Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rylea Jane Anderson, APRNCritical Care Neonatal Nurse Practitioner1649671207
  2. Benjamin Baker, CRNA, DNPCertified Registered Nurse Anesthetist1912388786
  3. Michael Banyasz, M.D.Emergency Medicine Physician1619160322
  4. Timothy Bowers, M.D.Emergency Medicine Physician1174509798
  5. John Brennan, M.D.Anatomic Pathology & Clinical Pathology Physician1649242389
  6. Jodi Bunge, PTPhysical Therapist1194045286

Verify Phillip Guillien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 123934
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

One hospital or facility affiliation

  1. Grandview Anesthesia PCDubuque, 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.

23 certified registered nurse anesthetist records list a Dubuque practice address

They are 23 of the 1,468 NPPES records with a Dubuque practice address, and 504 certified registered nurse anesthetist records in Iowa.

Other certified registered nurse anesthetist records in Iowa

  1. Alissa AbelDes Moines, IA1124888599
  2. Lydia AdamsDecorah, IA1538584131
  3. Seth Additon, DNP, CRNAManchester, IA1336848282
  4. John Aker, CRNA, MSIowa City, IA1265490577
  5. Robert Albin, CRNADes Moines, IA1164542502
  6. Carla Aldrich, CRNAClarion, IA1659589828
  7. Kathryn Allen, CRNA, ARNPIowa City, IA1376574954
  8. Blake AltenhofenIowa City, IA1396431557
  9. Dale Althaus, CRNAAmes, IA1023072220
  10. Emily Anderson, CRNASioux City, IA1174933238

Common questions

What is Phillip Guillien's NPI number?

Phillip Guillien's National Provider Identifier (NPI) is 1265999809, issued on Mar 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Phillip Guillien located?

The NPPES record lists a practice address at 350 N Grandview Ave, Dubuque, IA, 52001. Phone: (507) 459-2358. Providers update this record themselves, so call before visiting.

How can I verify Phillip Guillien's license?

NPPES lists Iowa license number 123934, 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.