NPPES file of Aug 9, 2026

Allison Hasler

Certified Registered Nurse Anesthetist · Knoxville, TN

Allison Hasler is a certified registered nurse anesthetist with a practice address in Knoxville, Tennessee, and NPI 1871339861, issued on Jul 8, 2024. Check the license (Tennessee 37270, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871339861
Name
Allison Hasler
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
37270 TN
103295 AR
Self-reported in NPPES; status is on the state search
Practice location
9352 Park West Blvd, Knoxville, TN 37923
Phone
(865) 373-1000
Enumerated
Jul 8, 2024
Record last updated
Oct 16, 2024
Medicare enrollment
Enrolled (PECOS I20241212003022); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9352 Park West Blvd

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

  1. Elizabeth Beil, P.T.Physical Therapist1740439710
  2. William Belden, CRNACertified Registered Nurse Anesthetist1396928164
  3. Berta Bergia, MDClinical Neurophysiology Physician1275501728
  4. Stephanie Brown, APRN, CRNACertified Registered Nurse Anesthetist1982379426
  5. William Callicott, DOPulmonary Disease Physician1275162380
  6. Linda Chase, M.D.Neonatal-Perinatal Medicine Physician1215993365

Verify Allison Hasler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 37270
    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 Tennessee 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.

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Bills Medicare through one group practice

  1. Covenant Anesthesia Group PCKnoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Allison Hasler among 3,117 certified registered nurse anesthetist records in Tennessee

Allison Hasler is one of 3,117 certified registered nurse anesthetist records with a practice address in Tennessee. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 96% of them.

  • NPI issued2024 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2024 · median 2012 among the 2,370 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

384 certified registered nurse anesthetist records list a practice address in Knoxville

They are 384 of the 14,339 NPPES records with a practice address in Knoxville, and 3,117 certified registered nurse anesthetist records in Tennessee.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Vanessa Ames, CRNAKnoxville, TN 379231942454624
  2. Brian Ancel, CRNAKnoxville, TN 379231174936058
  3. William Belden, CRNAKnoxville, TN 379231396928164
  4. Bjarne Borresen, CRNAKnoxville, TN 379231346396306
  5. Katherine Edmonds, CRNAKnoxville, TN 379231629230586
  6. Jason Fortuna, CRNAKnoxville, TN 379231215340732
  7. Abby Hall, CRNAKnoxville, TN 379231598009839
  8. Brook Hibbs, CRNAKnoxville, TN 379231619294675

Common questions

What is Allison Hasler's NPI number?

Allison Hasler's National Provider Identifier (NPI) is 1871339861, issued on Jul 8, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Allison Hasler located?

The NPPES record lists a practice address at 9352 Park West Blvd, Knoxville, TN, 37923. Phone: (865) 373-1000. Providers update this record themselves, so call before visiting.

How can I verify Allison Hasler's license?

NPPES lists Tennessee license number 37270, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.